Extron electronic Switch 4LDXI User Manual
System 4xi Series  
System 4LQxi • Sw itcher/Line Quadrupler  
System 4LDxi • Sw itcher/Line Doubler  
68-162-01  
Printed in USA  
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System 4xi Switcher Series  
Getting Started..........  
uu  
tt Step 1  
If the System 4xi is already configured for your model of projector, go to Step 4. If it is not set  
up correctly, it will be necessary to change switch settings on the System 4xi ’s Main  
Controller Board. Continue with Step 2 below to verify the correct configuration.  
uu  
tt Step 2  
Apply power to the System 4xi. Use the front panel to display the Information Menu (Menu 8).  
If the configuration is correct, go to Step 4. If it is not correct, continue with Step 3.  
uu  
tt Step 3  
Go to the procedure on page 2-3 of the System 4xi User’s Manual to remove the System 4xi  
cover. Then go to page 2-4 for instructions on configuring the Main Controller board. The  
following table and diagram are to be used only as examples of a typical configuration. Please  
consult either the label inside the System 4xi top cover or the System 4xi Projector  
Communications Kit instructions for the correct configuration settings. Continue with Step 4  
below when your configuration is correct.  
Config  
as  
Projector  
SW1: 1-2-3-4  
SW2  
SW3  
SW4  
SW5  
SW6  
Prj Cable  
Comm  
Adapter  
✔
Your Model  
off-on-off-on  
0
1
0
5
0
J15  
26-467-01  
SW4  
SW3  
SW2  
SW6  
SW5  
J15  
SW1  
4
3
2
1
uu  
tt Step 4  
Double-check your work and be sure the System 4xi cover is back on securely.  
uu  
tt Step 5  
Please refer to the appropriate connection diagram for your projector (see your System 4xi  
Projector Communications Kit instructions). Using the appropriate Communications Adapter  
included in your Communications Kit, connect the Comm extension cable from the PJ Comm  
port of the System 4xi to the Comm Adapter. Secure the Comm Adapter to the appropriate  
projector port.  
uu  
tt Step 6  
Connect the RGBS/HV cable from the System 4xi output BNC connectors to the projector’s  
matching RGBS/HV input connectors. Verify that all your connections are correct. If in  
doubt, please refer to the specific installation instructions which were included in your  
Communications Kit.  
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Contents  
CONTENTS  
Chapter One - System 4xi Series - Introduction and Features  
Introduction to System 4xi ....................................................................................................... 1-1  
System 4xi Features .................................................................................................. 1-2  
Specifications.......................................................................................................................... 1-4  
Chapter Two - Configuration and Installation  
Rear Panel Connectors and Indicators ................................................................................... 2-1  
Projector/MonitorApplications................................................................................................. 2-2  
Communications Adapters and Cables ...................................................................... 2-3  
User-Supplied Cables ................................................................................................ 2-3  
Removing the System 4xi Cover ............................................................................................. 2-3  
Setting the Main Controller Board for the Projector ................................................................. 2-4  
Cabling a System 4xi in a Rack............................................................................................... 2-5  
Audio Terminal Connections ................................................................................................... 2-6  
Audio Wiring Applications........................................................................................... 2-6  
Chapter Three - Using the System 4xi Front Panel  
Front Panel ............................................................................................................................. 3-1  
Main Power ................................................................................................................ 3-1  
Inputs ......................................................................................................................... 3-1  
Display Controls ......................................................................................................... 3-1  
Picture Controls ......................................................................................................... 3-1  
Breakaway ................................................................................................................. 3-1  
Audio Mute................................................................................................................. 3-1  
Menu Controls............................................................................................................ 3-1  
LCD Display ............................................................................................................... 3-1  
Default LCD Screen ................................................................................................................ 3-2  
System 4xi Model Differences................................................................................................. 3-2  
Menu Controls and Navigation ................................................................................................ 3-3  
Terms used in LCD Menus......................................................................................... 3-3  
Example of Using the Menu Controls ......................................................................... 3-4  
Menu System ............................................................................................................. 3-7  
Menu Select/Exit Menu ................................................................................. 3-7  
Video Mode Configuration ............................................................................. 3-7  
Video Mode Configuration Menu ................................................................... 3-7  
Audio Level Configuration Menu ................................................................... 3-8  
Host Baudrate Menu ..................................................................................... 3-8  
RGB Delay Menu .......................................................................................... 3-8  
Slave Configuration Menu ............................................................................. 3-9  
LD Sync Configuration Menu ........................................................................ 3-9  
Sync Configuration Menu .............................................................................. 3-9  
Information Menu ......................................................................................... 3-10  
Slave Switcher Input Selection ..................................................................... 3-10  
Picture Controls (line-doubler/line-quadrupler converter) ....................................................... 3-10  
Horizontal Shift Control ............................................................................................. 3-11  
Contrast Control ........................................................................................................ 3-11  
Color Control............................................................................................................. 3-11  
Tint Control ............................................................................................................... 3-11  
Detail Control ............................................................................................................ 3-11  
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Contents  
System 4xi Series LCD Menus .............................................................................................. 3-12  
Special Functions .................................................................................................................. 3-13  
System Reset ........................................................................................................... 3-13  
Toggle Executive Mode ............................................................................................. 3-13  
Chapter Four - Connecting Multiple Switchers  
Looping the System 4xi with Other Switchers ......................................................................... 4-1  
Input Channel Addressing .......................................................................................... 4-1  
Controlling Master/Slave Switchers............................................................................ 4-2  
System 4xi with SW4/6 ARMX Switchers ................................................................... 4-3  
System 4xi with One System 8/10 PLUS Switcher ....................................................... 4-4  
System 4xi with Multiple System 8/10 PLUS Switchers................................................ 4-5  
System 8/10 Plus Switch Settings.............................................................................. 4-6  
Programming the System 4xi Looping Configuration .............................................................. 4-7  
Testing the Master/Slave Communications ................................................................ 4-7  
Chapter Five – Using Windows® Control Software  
Extron System Switcher Control Software .............................................................................. 5-1  
System 4xi Help (examples)....................................................................................... 5-2  
Executive Mode ......................................................................................................... 5-4  
Window Pull-Down Menus ......................................................................................... 5-4  
Appendix A - RS-232 Programming Guide  
Programming the System 4xi Series Switchers....................................................................... A-1  
RS-232 Connections .................................................................................................. A-1  
RS-232 Protocol ........................................................................................................ A-1  
Program Instruction Levels ........................................................................................ A-1  
System 4xi-Initiated Messages ............................................................................................... A-2  
Simple Instruction Set ............................................................................................................. A-3  
Related Terms ............................................................................................................ A-3  
Simple Instruction List (with examples) ...................................................................... A-4  
Simple Instruction Examples ...................................................................................... A-5  
Selecting Inputs Using Delimiters............................................................................... A-7  
Advanced Instruction Set ........................................................................................................ A-8  
Advanced Instruction List ........................................................................................... A-8  
Error Codes (ERC) .................................................................................................... A-8  
Hex, Decimal and Binary Examples for Converting Range Values............................. A-9  
Select Input - CMD4 (34h) ......................................................................................... A-9  
Request Status - CMD5 (35h) ................................................................................... A-10  
Change System Settings - CMD6 (36h) .................................................................... A-11  
Set Slave Configuration - CMD8 (38h) ...................................................................... A-11  
Configure an Input Channel - CMD9 (39h) ................................................................ A-12  
Request Input Channel Configuration - CMD10 (3Ah) .............................................. A-13  
Configure System - CMD11 (3Bh)............................................................................. A-14  
Request System Configuration - CMD12 (3Ch) ........................................................ A-15  
Appendix B - General Reference Information  
System 4xi Related Parts List ................................................................................................. B-1  
Changing the Main Fuse ......................................................................................................... B-2  
Les câbles fournis à l’utillsasteur ............................................................................................ B-3  
(French) Enlever le couvercle du Système 4.......................................................................... B-3  
Câbler un Système 4 sur un rack............................................................................................ B-4  
(German) Entfernung der System 4 Abdeckung ..................................................................... B-5  
ii  
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Contents  
Verkabelung vom System 4 innerhalb eines Gestells ............................................................. B-6  
Upgrading Main Controller Board Software and Battery Replacement.................................... B-7  
Legend of Icons  
_________ Important information – for example, an action or a step that must be done  
before proceeding.  
_________ A Warning – possible dangerous voltage present.  
_________ A Warning – possible damage could occur.  
_______ A Note, a Hint, or a Tip that may be helpful.  
________ Possible Electrostatic Discharge (ESD) damage could result from touching  
electronic components.  
________ Indicates word definitions. Additional information may be referenced in another  
section, or in another document.  
Extron’s System 4xi User’s Manual  
68-162-01  
First edition – Rev A, 59-07  
Second edition – Rev B, 79-02  
Third edition – Rev C, 99-12  
New format without projectors  
Extron • System 4xi Switcher Series • User’s Manual  
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System 4xi Switcher Series  
User’s Manual  
Chapter One  
1
Introduction and Features  
System 4xi Features  
Projector/Monitor Applications  
RGB Decoder, Line Doubler and Line Quadrupler  
Specifications  
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Chapter 1 • Introduction and Features  
Introduction to System 4xi  
EXTRON’S System 4xi Series of switchers (henceforth to be referred to as System  
4xi ) combines the features of a projector-controlling switcher and a line-doubler  
or line-quadrupler into a rack-mountable enclosure with an internal power supply.  
The System 4xi ’s four video inputs can be any combination of the formats listed  
below and the output will always be RGB. Four stereo audio inputs are also  
available and can be selected following or separated from the selected video  
input.  
•
•
•
•
•
•
Composite Video (NTSC/PAL)  
S-video/S-VHS (YC)  
RGBS (NTSC/PAL)  
RGBS (RGB w/separate composite sync)  
RGsB (RGB w/sync on green)  
RGBHV (RGB w/separate H&V sync)  
INPUT 1  
H/HV  
INPUT 2  
H/HV  
INPUT 3  
H/HV  
INPUT 4  
H/HV  
OUTPUT  
H/HV  
PJ COMM  
V
V
V
V
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
RS 232  
R/C  
G/Y  
B
R/C  
G/Y  
R/C  
G/Y  
B
R/C  
G/Y  
B
R/C  
G/Y  
B
RGB  
Interface  
PC or Workstation  
with Audio  
Laserdisc Player  
with S-VHS Outputs  
and Stereo Audio  
Control  
System  
Stereo Audio  
RGB  
Interface  
Large Screen  
Projector  
VCR/VTR with Audio  
SGI/SUN  
Workstation  
Figure 1-1. Example of a System 4LDxi Switcher with Input and Output Devices  
The System 4xi has a built-in communications interface that allows it to control  
projectors made by companies listed below through their switcher control port.  
Please consult Extron for projector manufacturers not listed here.  
•
•
•
•
•
•
•
•
Ampro  
• NEC/Runco  
• Panasonic  
• Sanyo  
Barco  
Digital Projection  
Eiki  
• Seleco  
• Sharp  
Electrohome  
Hughes/JVC  
Infocus  
• Sony  
• Toshiba  
• Zenith  
Mitsubishi  
1-1  
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Chapter 1 • Introduction and Features  
System 4xi Features  
Universal Video Inputs  
The System 4xi has four universal inputs, each capable of accepting all computer  
RGB signals from 15 kHz to 150 kHz, any composite video standard signals  
(NTSC or PAL) and S-video (S-VHS) signals. There are no optional modules to  
purchase for each input signal type.  
Quad-standard Decoder  
The System 4xi is compatible with all standard video formats including NTSC  
3.58, NTSC 4.43, PAL and SECAM.  
Balanced/Unbalanced Audio Inputs  
Every System 4xi is capable of switching up to four balanced or unbalanced, left  
and right stereo audio signals. Audio, input through professional-style captive  
screw connectors, can be switched to follow any video or RGB input signal, or it  
may be switched separately for added flexibility (see “Breakaway” below).  
Audio Follow/Breakaway  
When switching inputs, the System 4xi can either select audio and video from the  
same source (Audio Follow) or select audio from one source and video from  
another (Breakaway).  
Three-line Adaptive Comb Filter  
A built-in, three-line adaptive comb filter helps to provide a crisp, stable output  
from the System 4LDxi and 4LQxi.  
Built-In Line Doubler/Quadrupler (scan doubler/quadrupler)  
The System 4LDxi and 4LQxi include a built-in NTSC or PAL compatible line  
doubler or line quadrupler (4LQxi only) that is capable of line-doubling/  
quadrupling composite video, S-video or RGB video (Targa or document  
camera) signals. The signal also passes through a digital noise filter to improve  
the picture. The line-doubled/quadrupled output results in a sharper image with  
less noticeable scan lines and “video noise.”  
300 MHz RGB Video Bandwidth  
The 300 MHz RGB video bandwidth of the System 4xi makes it two to three  
times the performance of any other presentation switcher.  
LCD Menu-Driven Picture and Programming Controls  
The System 4LDxi ’s LCD menu makes setup and programming of its features  
and functions easy and flawless. An alphanumeric display allows for any of the  
line-doubler/quadrupler controls such as color, hue and contrast to be adjusted  
to exact specifications for each input.  
RGB Output  
The System 4xi video output will be RGBS or RGBHV if the selected input is  
configured to be line-doubled or line-quadrupled. If the selected input is not  
configured to be line-doubled/quadrupled, the output video format will be the  
same as the input.  
RS-232 Control  
The System 4xi has built-in RS-232 control for external/third party control of any  
of its features or functions.  
Triple-Action Switching™ RGB Delay Switching  
Triple-Action Switching makes it possible to have “seamless” picture switching.  
The System 4xi may be programmed to switch the RGB signals to the projector  
at a specified time after the sync is switched (0 to 5 seconds, in 1/2 second  
increments). The audience will briefly see a blank screen while the projector  
“locks on” to the input signal.  
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Chapter 1 • Introduction and Features  
Multiple Switcher Applications  
The features of the System 4xi can be further expanded by connecting the output  
from another switcher to Input #4. The System 4xi then functions as the “master”,  
communicating with the projector and providing it with a signal improved by any  
of the features described in this section and, if required, can even control the  
connected projector using their IR (Infra-Red) remote control, RS-232 control, or  
the built-in LCD menu-driven System 4xi front panel control.  
Picture Control Memory  
All inputs, including those in multiple switcher applications, have a separate  
memory block for all picture controls of video or RGB and audio signals. When a  
different video input is selected, the picture controls are updated automatically  
from the information stored in the Picture Control Memory. RGB inputs in pass-  
through mode have no stored picture control information.  
Internal Power Supply with Automatic Switching  
The System 4xi is equipped with an internal auto-switching power supply that  
operates from any input voltage in the 100-240 VAC range, at 50/60Hz.  
Universal Projector Control  
The EXTRON System 4xi and the projector operate as a system that can be  
controlled several ways:  
•
•
•
•
through existing projector controls  
through the System 4xi panel  
through a host system using the RS-232 port  
using Extron’s Windows® Control software  
Using the projector-brand remote control, the System 4xi can be made to control  
the following operations:  
•
•
•
•
•
•
switch inputs  
control projector power  
mute the audio or video signals  
switch input memory blocks (in projector) for convergence  
setup saved configurations within the connected projector by input selection  
monitor the projector for update changes, feature changes, or input selection  
changes by the user  
The above operations can also be accomplished by using the System 4xi front  
panel controls or through a PC or other control system. The System 4xi switcher  
will communicate with the projector and pass it the desired command.  
When a projector manufacturer introduces a new model, the System 4xi can be  
upgraded to accommodate it by a simple EPROM change (free during the  
warranty period of two years). When a totally new projector brand and model is  
introduced, Extron will either add it to the compatibility list for EPROM upgrades,  
or make it an available “standard” with all future System 4xi switchers. Call  
Extron with details of your requirements.  
The unique control features of the System 4xi make using its switcher functions  
exactly the same as using the projector-brand switcher, but with a 300 MHz  
bandwidth performance — nearly three times that of most projector- brand  
switchers.  
_______ Some projector IR remotes do not communicate with the System 4xi. Also, all  
projectors have different methods for source and memory recall of source inputs.  
Please refer to your specific installation instructions for further details.  
1-3  
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Chapter 1 • Introduction and Features  
Specifications  
Video input  
Number/type.............................. 4 universal inputs (RGBHV, RGBS, RGsB, RsGsBs, S-video, composite video)  
Connectors ................................ 4 x 5 BNC female  
Nominal level(s) ........................ Analog — 0.3V to 1.45V p-p  
Maximum level(s) ...................... Analog — 2V p-p  
Impedance ................................ 75 ohms (deselected inputs)  
Horizontal frequency ................. 15 kHz to 150 kHz  
Vertical frequency ..................... 30 Hz to 150 Hz  
Return loss ................................ -30dB @ 5 MHz  
Video throughput  
Gain ........................................... Unity  
Bandwidth ................................. 300 MHz (-3dB)  
Crosstalk ................................... -80dB @ 3.58 MHz  
Switching speed ........................ 5 mS (max.)  
Video output  
Number/type/format .................. System 4LDxi ................... 1 RGBHV, RGBS, RGsB, line-doubled video  
System 4LQxi ................... 1 RGBHV, RGBS, RGsB, line-quadrupled video  
Connectors ................................ 5 BNC female  
Nominal level ............................ 1V p-p  
Impedance ................................ 75 ohms  
Return loss ................................ -25dB @ 10 MHz  
DC offset ................................... ±5 mV maximum  
Switching type ........................... Triple action, 0 S to 5 S, adjustable  
Sync  
Input type .................................. RGBHV, RGBS, RGsB, RsGsBs  
Output type................................ RGBHV, RGBS, RGsB, RsGsBs  
Standards .................................. NTSC 3.58, NTSC 4.43, PAL, SECAM  
Input level.................................. 0.5V to 5V p-p  
Output level ............................... 0.5V to 5V p-p  
Input impedance ....................... 510 ohms (deselected inputs)  
Output impedance..................... 75 ohms  
Max input voltage...................... 5V p-p  
Max. propagation delay ............ 5 nS  
Max. rise/fall time ...................... 5 nS  
Polarity ...................................... Positive or negative (follows input)  
Audio input  
Number/type.............................. 4 stereo, balanced/unbalanced  
Connectors ................................ 4 5 mm captive screw terminals, 6 conductor  
Impedance ................................ Unbalanced ...................... 10 kohms, AC coupled  
Balanced .......................... 20 kohms, AC coupled  
Maximum level .......................... +11.2dBu, (balanced or unbalanced) @ stated %THD+N  
Input gain adjustment ............... –95.5dB to +31.5dB, adjustable per input  
Audio throughput  
Frequency response ................. ±0.05dB @ 20 Hz to 20 kHz  
THD + Noise ............................. 0.002% @ 1 kHz at rated maximum output drive  
S/N ............................................ >95dB  
Adjacent input crosstalk ............ >85dB @ 20 Hz to 20 kHz  
Stereo channel separation........ >60dB @ 20 Hz to 20 kHz  
CMRR........................................ >60dB @ 20 Hz to 20 kHz  
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Chapter 1 • Introduction and Features  
Audio output  
Number/type.............................. 1 stereo, balanced/unbalanced  
Connectors ................................ 5 mm captive screw terminal, 6 conductor  
Impedance ................................ 50 ohms, unbalanced; 100 ohms, balanced  
Gain error .................................. ±0.2dB channel to channel  
Drive (HI-Z) ............................... > +17.2dBu, balanced or unbalanced at stated %THD+N  
Drive (600 ohm) ........................ > +17.2dBu, balanced or unbalanced at stated %THD+N  
Control/Remote — switcher  
Serial control port...................... RS-232, 9-pin female D connector  
Baud rate and protocol ............. 9600, 8-bit, 1 stop bit, no parity  
Pin configurations ..................... 2 = TX, 3 = RX, 5 = GND  
Program control ........................ Extron’s Windows® control program  
Extron’s Simple Instruction Set - SIS  
Extron’s Advanced Instruction Set - AIS  
Control — projector  
Projector control port ................ 1 15-pin HD female connector  
General  
Power ........................................ 100VAC to 240VAC, 50/60 Hz, 20 Watts, internal, auto-switchable  
Temperature/humidity ............... Storage -40° to +158°F (-40° to +70°C) / 10% to 90%, non-condensing  
Operating +32° to +122°F (0° to +50°C) / 10% to 90%, non-condensing  
Rack mount ............................... Yes, with attached rack ears  
Enclosure type .......................... Metal  
Enclosure dimensions............... 1.75" H x 19" W x 16.2" D  
4.4 cm H x 48.3 cm W x 41.2 cm D  
Shipping weight ........................ 17 lbs (7.7 kg)  
DIM weight ....................... 21  
Vibration .................................... NSTA 1A in carton (National Safe Transit Association)  
Approvals .................................. UL, CUL, CE  
MTBF......................................... 30,000 hours  
Warranty.................................... 2 years parts and labor  
Specifications are subject to change without notice.  
19.0"  
1-5  
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System 4xi Switcher Series  
User’s Manual  
Chapter Two  
2
Configuration and Installation  
Rear Panel Connectors and Indicators  
Projector/Monitor Applications  
Removing the Cover  
Setting the Main Controller Board  
Rack Mounting  
Audio Connections  
Connecting to Projectors/Monitors  
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Chapter 2 • Configuration and Installation  
Rear Panel Connectors and Indicators  
Use the diagram below to locate the connectors and indicators on the back of the  
System 4xi.  
All models of the System 4xi Series have the same rear panel layout.  
1
4
INPUT 1  
H/HV  
INPUT 2  
H/HV  
INPUT 3  
H/HV  
INPUT 4  
H/HV  
OUTPUT  
H/HV  
PJ COMM  
V
V
V
V
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
RS 232  
R/C  
G/Y  
B
R/C  
G/Y  
R/C  
G/Y  
B
R/C  
G/Y  
B
R/C  
G/Y  
B
2
3
5
6
7
Figure 2-1. System 4xi Rear Panel Identification  
Indicates this Audio Input is selected  
Indicates this Video Input is selected  
1
2
3
Audio (left & right) and Video Input #4 (also used for Slave input in a  
multiswitcher system)  
Video Input formats: Composite Video — use G connector  
S-video — use C & Y connectors  
RGsB — use R, G & B connectors  
RGBS — use R, G, B & HV connectors  
RGBHV — use R, G, B, H & V connectors  
Projector Communications  
4
5
6
7
RS-232 port for control by host system  
Audio and Video Output to projector/monitor  
AC Power input to Autoswitching power supply  
2-1  
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Chapter 2 • Configuration and Installation  
Projector/Monitor Applications  
The System 4xi can be configured for most projectors. Some of the projector  
manufacturers that Extron supports are:  
•
•
•
•
•
•
•
•
•
Ampro  
• Mitsubishi  
• NEC  
Barco  
Digital Projection  
Eiki  
• Panasonic  
• Seleco  
• Sharp  
Electrohome  
Epson  
• Sony  
Digital Projection  
Hughes/JVC  
Infocus  
• Toshiba  
• Zenith  
If your projector manufacturer is not on the above list, please consult your Extron  
representative.  
_______ Because this manual is for the System 4xi Series switchers, the name “System  
4xi ” will be used except when referring to a specific model.  
The following diagram is a typical example of System 4xi-to-projector cabling.  
However, before connecting the cables, verify that the System 4xi is already  
configured for your projector/monitor.  
2-Channel  
Stereo Audio  
Rear Panel  
INPUT 1  
H/HV  
INPUT 2  
INPUT 3  
H/HV  
INPUT 4  
H/HV  
OUTPUT  
H/HV  
PJ COMM  
V
H/HV  
V
V
V
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
RS 232  
R/C  
G/Y  
B
R/C  
G/Y  
R/C  
G/Y  
B
R/C  
G/Y  
B
R/C  
G/Y  
B
Projector Communication  
Extension Cable  
BNC Cable  
Projector  
Comm Adapter  
Projector  
Figure 2-2. System 4xi Outputs. A factory label identifies the configuration.  
Configuring the System 4xi for your application requires the following major steps  
using the System 4xi Projector Communications Kit instructions for your specific  
projector or monitor:  
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Chapter 2 • Configuration and Installation  
1. The System 4xi must be configured internally for the projector/monitor to be  
used. This is done at the factory when the unit is ordered, and a label is placed on  
the rear panel to identify the configuration. However, there may be times when the  
configuration must be changed for a different application.  
2. Place, or mount, each piece of equipment in the location where it will be used.  
3. Connect the cables and adapter between the System 4xi and the projector.  
4. Connect other equipment, such as audio or various controlling devices.  
5. Set up the projector, using the manual(s) provided by the manufacturer.  
_______ There are procedures in this chapter for installation of specific projectors to the  
System 4xi. Use the appropriate procedure for your application.  
Communications Adapters and Cables  
Because there are projector differences, Extron makes communication adapters  
for the projector types listed on the previous page.  
Each System 4xi package includes the following:  
• 1 System 4xi (factory-configured for the customer)  
• 1 Comm Adapter (specified by the customer)  
• 1 CC 50' Projector Communications Extension cable  
• 5 Audio connectors with captive screws (audio cables not included)  
• 1 AC Power Cord  
• 1 Tweaker (combination screwdriver)  
User-Supplied Cables  
For custom installations, you may choose to make your own Projector  
Communication cables (CC-xx'). Refer to the cable wiring diagram below for pin  
connections. Cables may be up to 200' in length.  
15-pin D-Sub  
High Density  
9-pin  
D-Sub  
200 Feet (max)  
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
Female  
Female  
Extron System 4  
Switcher  
Extron  
Communications  
Adapter  
15  
Figure 2-3. Communications Cable Wiring Diagram  
Removing the System 4xi Cover  
If the System 4xi must be reconfigured for a different display device, it is  
necessary to access the Main Controller board. Also, if the main power fuse  
needs to be changed, you will need to access the inside of the unit. To do either  
of these two things, you must first remove the top cover of the System 4xi, as  
follows:  
1. Unplug the AC power cord.  
2. If rack-mounted, remove the System 4xi from the mounting rack.  
3. Label the input and output cables and remove them.  
2-3  
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Chapter 2 • Configuration and Installation  
4. Place the System 4xi on a  
clean work space and  
remove eight (8) screws  
shown in Figure 2-4.  
5. Lift the cover straight up.  
6. Go to the procedure for  
which you have opened the  
cover (projector  
configuration or changing the  
fuse).  
_____ Do NOT touch any switches  
or electronic components,  
other than those specified.  
This could seriously affect  
the operation of the system.  
7. Reverse this procedure  
when finished working  
inside the System 4xi.  
(French) Enlever le couvercle du Système 4xi - page B-3  
(German) Entfernung der System 4xi Abdeckung - seite B-5  
Configuration  
Label Inside  
Figure 2-4. Removing the System 4xi Cover  
Setting the Main Controller Board for the Projector  
Before each System 4xi ships, it is set for the application specified by the  
customer. The projector name is on a label on the rear panel (see Figure 2-1).  
However, if there is a need to change these settings (e.g. using a different  
projector/monitor), switch settings must be changed on the Main Controller  
board.  
[System 4 model and software  
version displayed here]  
1. If you are not sure if the System 4xi is set for your projector/monitor, use the  
Front Panel to select the Information Menu (#8), and then display the System 4xi  
settings (see page 3-10). A general example is shown to the left. Refer to Figure  
2-5 below as an example only to locate the switches and projector cable.  
Configuration information is located on a label inside the System 4xi top cover. If  
the projector cable is on the wrong connector, or if DIP switches (1-4) are  
incorrect, this error will not be seen in Menu 8.  
(See note.)  
(See note.)  
(See note.)  
(See note.)  
(Note: Information depends on  
System 4 setup.)  
SW4  
SW3  
SW2  
SW6  
SW5  
J15  
SW1  
4
3
2
1
ON  
Figure 2-5. Example of Setup Switches on the Main Controller Board  
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Chapter 2 • Configuration and Installation  
2. If your unit is not set up correctly, remove the System 4xi cover (page 2-3) and  
locate the switches and projector connectors. Note the orientation of the SW1  
switches in the picture. “On” is marked on the DIP switch block.  
3. Set the switches as indicated by the label or the instructions included with the  
projector communications kit and verify that the Projector cable is on the correct  
connector (J9/J15).  
_______ Extron continues to support new projectors. If you have questions about using  
the System 4xi with a device for which you cannot find configuration settings,  
please consult with your Extron representative.  
4. Refer to the appropriate cabling procedure included with the projector  
communications kit to continue the installation.  
Cabling a System 4xi in a Rack  
When routing cables from one unit to another in a rack, do NOT allow the cables  
to be supported by the System 4xi (see Figure 2-7). Use “Tie Wraps”, “Rip-Ties”  
or other devices, to secure the cables at some point in the rack that is above the  
rear panel connectors. Loosely hanging cables may be stepped upon, resulting  
in damage to cables and equipment, as well as injury to personnel.  
The example shown in Figure 2-6 has the cables tied to the rack above the  
connections to the equipment. This allows an unobstructed view of the rear panel  
connectors, and prevents the cable weight from pulling down on the equipment.  
Figure 2-6. Route the Signal Cables on the Left and Power Cables on the Right  
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Chapter 2 • Configuration and Installation  
Figure 2-7. Tie Cables to Prevent Pulling Down on the Units  
_________ Be sure that no weight is added to the System 4xi in excess of 10 lbs (3.73 kg).  
_________ The holes in the top and bottom of the System 4xi enclosure are for cooling.  
Do NOT cover these holes. This could cause overheating of vital components.  
_________ Maximum ambient operating temperature must not exceed 104° F (40° C).  
_________ The mounting rack, and all equipment mounted in it, must be grounded  
according to national and local electrical codes.  
_______ Keep power and signal cables separate (power cables on the right and signal  
cables on the left.)  
(French)  
Câbler un Système 4xi sur un rack - page B-4  
(German)  
Verkabelung vom System 4xi innerhalb eines Gestells - seite B-6  
Audio Terminal Connections  
The rear of the System 4xi has five audio connectors (four input and one output).  
Each connector has six pins for a left and a right audio channel. One example is  
shown here in Figure 2-8.  
The 6-terminal, captive screw connectors are supplied with the switcher for  
wiring the audio cables. The connectors are then plugged into the appropriate  
position in the audio terminal strip on the rear panel. The audio area of the back  
panel is labeled “R” (right) and “L” (left) for each channel.  
When wiring the connectors and plugging them into the System 4xi  
switcher, the screw heads (see figure right) must face down.  
Figure 2-8. Captive Screw Audio Connectors (above and right)  
Audio Wiring Applications  
Three methods of wiring the connectors for input and output are listed here, and  
illustrated in Figure 2-10. (The connector screws do not show in Figure 2-10  
because they are on the other side.)  
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Chapter 2 • Configuration and Installation  
•
•
•
Unbalanced High Impedance (High Z) Stereo Tip, Ring, Ground (Left & Right)  
Balanced High Impedance (High Z) Stereo Tip, Ring (Left & Right)  
Balanced 600W input Impedance Stereo Tip, Ring (Left & Right)  
TIP  
+
RING  
-
TIP RING  
TIP  
SLEEVE  
SLEEVE  
SLEEVE  
Figure 2-9. The Audio Cable Equivalent Connections  
Figure 2-10. Three ways to Wire the Input and Output Audio Connectors  
_________ If using unbalanced audio output, use lower-left connector as an example, and  
connect the sleeve to Gnd. Connecting it to the negative (-) terminal will damage  
audio output circuits.  
_______ Use captive-screw audio connectors, Extron part number 10-163-01  
2-7  
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System 4xi Switcher Series  
User’s Manual  
Chapter Three  
3
Using the System 4xi Front Panel  
Front Panel Buttons and Indicators  
Picture Controls for Line Doubler and Line Quadrupler  
Examples for Using Some of the Menus  
Using Menus to Make Adjustments  
Using Menus to Configure the System  
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3
C
Front Panel (4LDxi model shown) Controls are described beginning from the left side.  
Figure 3-1. System 4LDxi Front Panel (other System 4xi Series front panels are very similar)  
UsingtheSystem4  
BREAKAWAY  
MAIN POWER  
The Breakaway button allows the audio and video signals to be separated  
from (Breakaway) or combined with (Follow) each other to the output. There  
are three choices: Video & Audio, Video only or Audio only. The current  
condition is displayed in the LCD panel by arrows on the left side.  
This button turns the System 4xi power On or Off. The light indicates when  
power is On.  
INPUTS  
F
Inputs (1 thru 4) buttons are used to select which of the four possible inputs  
_ In Executive mode (explained later) audio always follows video.  
will go to the output (projector or monitor).  
DISPLAY CONTROLS  
POWER -allows the connected display power to be turned On or Off from the  
AUDIO MUTE  
System 4xi. The LED lights when power is On.  
This button allows the audio to be muted (temporarily turned off). When  
Audio is muted, the LCD panel alternately displays the word "Muting" and  
then the current dB level.  
MUTE - commands the attached display picture to be muted (blanked). The  
E
LED is lighted when the picture is being muted.  
MENU CONTROLS  
PICTURE CONTROLS (depends upon the System 4xi model)  
Ssytem4  
The Menu Control buttons are used with the LCD screen to display and  
make changes to system settings.  
These buttons only affect line-doubled/quadrupled signals, as well as  
decoded composite and S-video signals. (Functions marked with ‡ do not  
affect line-doubled/quadrupled RGB.) When pressed, each button brings up  
an LCD display which is used with Menu Controls to make adjustments.  
_ The Up and Down buttons are used to change a selection or a value  
in the LCD display.  
 i
H SHIFT - brings up an LCD display for Horizontal Shift adjustment. This  
____ The Tab button is used to step from one selection point to the next  
on the LCD display.  
allows the picture to be adjusted left or right.  
CONT - (‡) brings up an LCD display for adjusting the picture Contrast.  
COLOR - (‡) brings up an LCD display for adjusting the Color level.  
TINT - (‡) brings up an LCD display for adjusting the Tint or Hue.  
(Button combinations are used for special functions – explained later.)  
_ The Menu button is used to display a Select menu, which is used to  
select other control menus.  
U
The Enter button is used to enter a menu sequence, save a setting  
and/or complete an operation.  
DETAIL - (‡) (only on 4LDxi /ex and 4LQxi /ex models) brings up an LCD  
display to adjust up to 4 levels of picture Detail (sharpness).  
sManual  
LCD DISPLAY  
_ After making an adjustment, press the same Picture Control button  
to save the setting and exit from the display.  
The LCD screen displays System 4xi status and is used interactively with  
front panel buttons when making changes to settings.  
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Chapter 3 • Using the System 4xi Front Panel  
Default LCD Screen  
When the System 4xi is powered up, a Title screen appears briefly, followed by  
the Default display. Examples are shown to the left. This manual covers different  
System 4xi models; an appropriate screen will appear displaying your model and  
software version.  
The Default screen (shown to the right) will  
continue to display whenever the panel is not  
being used. It displays the current status of the  
input(s), with the following information:  
Video Configuration  
The top line displays which video input channel is selected and its Video Mode.  
The example shows that Video input #1 is selected, with RGB and Sync. Other  
modes are explained later. The Arrow to the left (® VID) indicates that video is  
being switched (not Breakaway).  
Audio Configuration  
The second line provides the current audio configuration. The example shows  
that Audio input #1 is selected and the arrow (® AUD) indicates that audio is  
being switched (Audio Follow). The gain/attenuation is set at 0 dB for that input.  
Breakaway  
As mentioned earlier, the Breakaway button allows Audio and Video to be  
separated. The three breakaway steps are: Video and Audio (both), Video only,  
and Audio only. The Default Display indicates this condition by turning off the  
arrow for the signal that is not being sent to the output.  
Audio Mute  
As stated on the previous page, the Audio Mute button temporarily turns the  
audio Off. The Default Display indicates this condition by alternately displaying  
the word "Muting" and the dB level.  
When the default menu is being displayed, pressing a Front Panel button will  
then change the screen to display appropriate information. These LCD screens,  
or menus, are explained later.  
System 4xi Model Differences  
This chapter covers all both System 4xi models. Each model has different  
features, and a different Front Panel. Because the System 4LDxi and 4LQxi have  
the most features, page 3-1 shows a 4LDxi front panel; all System 4xi panels are  
shown below. The most obvious differences are in the number of Picture Control  
buttons. Other differences will appear when using the LCD menus.  
Figure 3-2. System 4xi Front Panel Differences  
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Chapter 3 • Using the System 4xi Front Panel  
Menu Controls and Navigation  
Figure 3-7 on page 3-12 shows a flowchart of all the menus. Use it as a road  
map or guide to get to a specific one.  
There are two groups of menus. There is a menu for each of the Picture Control  
buttons on the front panel. These are explained on page 3-12 . The larger portion  
of the flow diagram is a network of menus for setting up (or displaying) the  
System 4xi input and output configuration, and are selected from the five Menu  
Control buttons on the Front Panel (shown above). The text and diagrams in this  
section include symbols that represent these panel buttons. They are:  
and  
,
,
,
The Menu Control buttons are used with the LCD screen for viewing status,  
changing settings, and making adjustments to the System 4xi configuration.  
Each menu is described later. The Menu button (  
) is the starting point.  
_______ Press at any time to leave a menu and return to the Select/Exit menu.  
The LCD menus include "Help" symbols to indicate how to use them. An  
example of these symbols can be seen in the menus to the left. Their  
descriptions are as follows:  
•
The arrows in the upper-right corner (® ¯ -) of the display indicate which of  
the direction buttons, , may be used with this menu. These buttons  
allow the user to step forward, backward, or loop through menu choices.  
•
The character " >" marks a selection point where the user may choose  
between two or more options. For menus that have more than one selection  
point, use the  
button to step from one selection point to the next (and then  
loop back to the first).  
•
The character "_" is the cursor position. Use  
or  
to change the display to  
the right of the cursor and make a different selection. When a function blinks,  
that indicates a tentative decision. That is, you have displayed something,  
but have not yet made the selection. Press  
to select and save it. If a  
function does not blink, it is already selected, or active.  
_______ To exit a Control Menu at any time, without saving changes, press any of the  
four input buttons to return to the Default menu. (If you don’t want to change  
input selections, press the button for the input that is already selected.)  
Terms used in LCD Menus  
AUD = Audio  
CHL = Input channel (used in Menu #9). It includes both Audio and Video.  
CFG = Configuration, as in setup  
H = Horizontal, as in horizontal sync  
H/V = Horizontal and Vertical, as in composite sync (H and V)  
LD = Line-doubled output (LQ = Line-quadrupled output)  
RGB = Red, Green and Blue colors or video signals  
RGsB = Red, Green and Blue, and the sync included with the Green signal  
RGBS = Red, Green and Blue, and the Sync (H and V) on a 4th line  
Slave = Another switcher whose output serves as an input to a System 4xi.  
_m = Motion - use this for video with action.  
_s = Still - use this for text or still pictures (slide presentations)  
VID = Video  
YC = S-Video, for the chrominance (C) and the luminance (Y)  
V = Vertical, as in vertical sync  
_______ The following pages have examples for using some of the menus, as well as  
details on the function of each menu. Page 3-12 (Figure 3-7) has a flowchart of  
the LCD menus. You may use it as a road map to go from one menu to another.  
3-3  
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Chapter 3 • Using the System 4xi Front Panel  
Example of Using the Menu Controls  
Suppose we have a System 4LDxi and want to set up Input #2 for line-doubled,  
motion video in a VGA format with separate horizontal and vertical sync,  
negative polarity and serration pulses. Follow the numbered steps below as you  
refer to the corresponding numbers in the flowchart in Figure 3-3 for Menu #1, in  
Figure 3-4 for Menu #6, and in Figure 3-5 for Menu #7.  
Menu #1 is used to configure the type of output you want from each input.  
❶ Press  
Enter Menu Select  
Options (Menu #0).  
SYSTEM 4LD  
EXTRON V3.11  
Power Up  
Display  
After 2-3  
second  
delay  
Displayed information  
depends upon video  
type, audio level and  
breakaway setting.  
❶ Press  
or  
Menu #1 (Vid Mode  
CFG).  
to get  
Change Entry Point  
Change Selection  
Default ->VID 01 RGBS  
->AUD 01 +00dB  
Screen  
❶
Accept/Save Selection  
Exit to Menu 0  
❶ Press  
this menu.  
to select  
❶
MENU SELECT  
Go to  
0.EXIT  
Menu 9  
❶ With the cursor (_) at  
the left position (>), the  
display shows VID01  
❶
❶
❶
selected. Press  
to display Input #2  
(VID02).  
or  
MENU SELECT  
VID MODE CFG  
>VID02=>RGBLD_m  
1.VID MODE CFG  
Select Video Type  
>RGBLD_m  
❶
MENU SELECT  
2.AUD LEVEL CFG  
Select  
Video  
❶ Press  
to step to the  
next selection point (>).  
❶
Input #2.  
This example is for  
System 4LD  
❶
MENU SELECT  
3.HOST BAUDRATE  
Move cursor.  
❶ Press  
or  
to  
display RGBLD_m.  
(Output will be line-  
doubled, motion video  
for Input #2.)  
MENU SELECT  
4.RGB DELAY  
MENU SELECT  
5.SLAVE CFG  
❶ Press  
to save  
this setting for Input #2.  
Press  
to exit this  
menu and go to  
Menu #0.  
MENU SELECT  
6.LD SYNC CFG  
MENU SELECT  
7.LD CFG  
❶ From Menu #0 you  
may start your next  
setup procedure, or  
MENU SELECT  
8.INFORMATION  
press  
to return to  
the Default Menu.  
_______ A detailed explanation  
of each menu follows,  
beginning with Menu #0  
on page 3-7.  
MENU SELECT  
9.SWITCH SLAVE  
*Only if configured  
as a Slave switcher  
Go to  
Menu 0  
Figure 3-3. Example: Configuring System 4 Inputs  
3-4  
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Chapter 3 • Using the System 4xi Front Panel  
Menu #6 is used to set up composite or separate horizontal and vertical sync for  
line-doubled/quadrupled images. Follow the numbers in the diagram and  
continue.  
❶ Press  
to get the Menu Select Options (Menu #0).  
or to get  
❶ Press  
Menu #6 (LD Sync  
CFG).  
SYSTEM 4LD  
EXTRON V3.11  
Power Up  
Display  
After 2-3  
second  
delay  
Displayed information  
depends upon video  
type, audio level and  
breakaway setting.  
❶ Press  
to select  
this menu. There are  
four functions in this  
menu as displayed  
Change Entry Point  
Change Selection  
Accept/Save Selection  
Exit to Menu 0  
Default  
->VID 01 RGBS  
->AUD 01 +00dB  
from the left selection  
point. They are listed in  
1
the diagram. Use  
to  
7
move between the two  
selection points, and  
MENU SELECT  
0.EXIT  
Go to  
Menu 9  
then use  
or  
to  
show the choices, and  
leave your choice  
displayed before going  
to the next function.  
MENU SELECT  
1.VID MODE CFG  
❶ From the left selection  
point, press  
choose one of the four  
functions.  
or  
to  
MENU SELECT  
2.AUD LEVEL CFG  
❶ Press  
to step to the  
second selection point  
MENU SELECT  
3.HOST BAUDRATE  
Screen  
and press  
or  
to  
change the selection  
for that function. If the  
display already shows  
what you want, leave it  
and go on. The  
MENU SELECT  
4.RGB DELAY  
MENU SELECT  
5.SLAVE CFG  
choices made for this  
example are circled.  
4
Select function and move cursor  
4 functions, 2 choices each  
Make selection  
2
5
3
6
❶ Press  
to step back  
to the left selection  
point. Repeat steps ❶  
and ❶ until you have  
made all of your  
MENU SELECT  
6. LD SYNC CFG  
LD SYNC CFG  
>H/HVOUT=>CSYNC  
4
a - Select H/HVOUT =  
5
4 b - Select SERRA. =  
5
Select H Only  
MENU SELECT  
7.LD CFG  
changes to this menu.  
Select PRESENT  
❶ Press  
these settings and  
press to go to  
to save  
4
c - Select HOUT POL =  
Select NEG  
MENU SELECT  
8.INFORMATION  
5
4 d - Select VOUT POL =  
Menu #0. From there  
you may step to  
Select NEG  
5
MENU SELECT  
9.SWITCH SLAVE  
another menu and start  
your next setup  
procedure, or exit.  
*Only if configured  
as a Slave switcher  
Go to  
Men  
0
❶ Press  
to exit Menu #0 and go to the Default Menu.  
Figure 3-4. Example: Configuring System 4 Output Sync for Line Doubled/Quadrupled Sources  
_______ A detailed explanation of each menu follows, beginning with Menu #0 .  
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Chapter 3 • Using the System 4xi Front Panel  
Menu #7 is used to set up Demo and VGA modes.  
❶ Press to get the Menu Select LCD (Menu #0).  
❶ From Menu #0, press or to go to Menu #7.  
❶ Press to select this menu. There are two functions in this menu as  
displayed from the left selection point. They are listed in the diagram. Use  
to  
move between the two selection points, and then use  
choices, and leave  
or  
to show the  
SYSTEM 4LD  
Power Up  
Display  
your choice displayed  
before going to the  
next function.  
EXTRON V3.11  
After 2-3  
second  
delay  
Displayed information  
depends upon video  
type, audio level and  
breakaway setting.  
Change Entry Point  
❶ From the left selection  
Default  
->VID 01 RGBS  
->AUD 01 +00dB  
Change Selection  
Accept/Save Selection  
Exit to Menu 0  
point, press  
or  
to  
choose one of the two  
functions.  
1
❶ Press  
to step to the  
second selection point  
7
MENU SELECT  
0.EXIT  
and press  
or  
to  
Go to  
Menu 9  
change the selection. If  
the display already  
shows what you want,  
leave it and go on.  
Repeat ❶ and ❶ to  
make other changes to  
this menu. The choices  
for this example are  
circled.  
MENU SELECT  
1.VID MODE CFG  
MENU SELECT  
2.AUD LEVEL CFG  
❶ Press  
these settings and  
press to go to  
to save  
MENU SELECT  
3.HOST BAUDRATE  
Screen  
Menu #0. From here  
you may step to  
MENU SELECT  
4.RGB DELAY  
another menu and start  
your next setup  
procedure, or exit.  
MENU SELECT  
5.SLAVE CFG  
❶ Press  
to exit  
Menu #0 and go to the  
Default Menu.  
MENU SELECT  
6. LD SYNC CFG  
4
Select function and move cursor  
2 functions, 2 choices each  
5
Make selection  
2
6
_______ VGA mode is only  
available on System  
4LDxi.  
3
MENU SELECT  
7.LD CFG  
LD CFG  
>VGA MODE=>ON  
4
a - VGA Mode:  
b - Split Screen:  
On or Off  
5
5
MENU SELECT  
8.INFORMATION  
4
_______ A detailed explanation  
of each menu follows,  
beginning with  
On or Off  
(demo mode)  
MENU SELECT  
9.SWITCH SLAVE  
*Only if configured  
as a Slave switcher  
Menu #0 on page 3-7.  
Go to  
Menu 0  
Figure 3-5. Example: Configuring the System 4xi Line-Doubled  
Output to be exactly 640 x 480, standard VGA mode  
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Chapter 3 • Using the System 4xi Front Panel  
0. Menu Select/Exit Menu  
The Menu button (  
)brings up the Menu Select/Exit screen. This is the  
starting point to get into any of the Control Menus. Some menus in this chapter  
have more than one example. This is because of the different System 4xi  
models. Be sure to use the example for the System 4xi model you are using.  
The example here is for the System 4LDxi model (4LQxi is very similar except for  
references to line quadrupler).  
Press  
or  
to select from the following menus.  
to return to the default screen.  
0. Select/Exit Menu - Press  
1. VID MODE CFG - Configure a video input channel.  
2. AUD LEVEL CFG - Configure an audio input channel.  
3. HOST BAUDRATE - Set the RS-232 baudrate for the host system.  
4. RGB DELAY - Set the time delay for switching the RGB signals (after Sync).  
5. SLAVE CFG - Set the System 4xi for use with a slave switcher.  
6. Change Line-doubler Sync output configuration.  
7. Change Line-doubler display to VGA mode or Split Screen (demo).  
8. Display Information (of internal switch settings).  
9. Switch Slave - (only appears if the System 4xi has slave configuration)  
Select slave channels from System 4xi front panel. See Chapter 4.  
Press  
to select the menu being displayed.  
Each of the menu choices listed in Menu #0 is explained later in this chapter.  
1. Video Mode Configuration  
The next two pages show three different versions of Menu #1 to cover the  
different models in the System 4xi Series of products. Use the one that is  
appropriate for your model.  
Use the Video Mode Configuration Menu (Menu #1) to match the type of video  
with the signal coming into each input and choose how it will output. For  
example, if Input #3 has S-video coming in and you want it line-doubled when it  
goes to your projector, select VID03 and select YCLD (_m or _s for xi models)  
The System 4LDxi and 4LQxi models can have line-doubled (or quadrupled)  
output with the motion or still attribute. If the application includes action video  
(movies, etc.) use the motion attribute; if it is a slide presentation (still pictures  
and text), use the still attribute. Each setup done in Menu #1 is stored with its  
respective channel.  
1a. Video Mode Configuration Menu (System 4LDxi*/4LQxi format options)  
Use  
to get to this menu, and then press  
to select it.  
The two cursor points in the Video Configuration menu are indicated by the  
character ">".  
With the cursor in the left position, use  
or  
to select a video input channel.  
Only the available channel numbers (System 4xi plus slave inputs) will display.  
Use to step between the two positions. Use or to select the video format  
to assign to this channel number.  
- RGBLD_m = Input is RGB** and Sync and output will be line-doubled, motion.  
- RGBLD_s = Input is RGB** and Sync and output will be line-doubled, still.  
- RGsB = Input is RGB with Sync on Green and will pass to output.  
- RGBS = Input is RGB and Sync (composite or H&V) and will pass to output.  
- VIDLD_m = Input is Composite Video and output will be line-doubled, motion.  
- VIDLD_s = Input is Composite Video and output will be line-doubled, still.  
- YCLD_m = Input is S-video/S-VHS and output will be line-doubled, motion.  
- YCLD_s = Input is S-video/S-VHS and output will be line-doubled, still.  
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Chapter 3 • Using the System 4xi Front Panel  
When a change is selected, but not yet saved, the selection blinks.  
Press to save the selection to memory.  
Repeat the above for other input channel numbers.  
Press to go back to the Default Menu.  
,
_______ If the change is made for the input that is currently selected, the projector won't  
display the change until the next time the input number is selected.  
*4LDxi shown here  
**Only NTSC (15.75 kHz) RGB signals can be line-doubled or line-quadrupled  
2. Audio Level Configuration Menu  
Use  
to get to this menu, and then press  
to select it.  
There are two cursor points in the Audio Configuration menu, indicated by the  
character ">". Use to step between the two positions.  
With the cursor in the left position, use  
or  
to select a audio input channel.  
Only available channel numbers will display.  
With the cursor at the right position, use or  
to set the audio gain/attenuation  
level for the selected input channel. The range is from -31dB to +31dB.  
When a change is selected, but not yet saved, the dB value blinks.  
When an audio input is selected, it is connected to the output (except when  
muted). This menu allows each audio input to be set to match the others.  
Press  
Press  
to save the selection to memory.  
or any input button at any time to exit.  
3. Host Baudrate Menu  
Use  
to get to this menu, and then press  
to select it.  
Only the baudrate can be changed; the protocol remains the same.  
Use or to select the baudrate for the host system on the RS-232 port.  
The choices are listed in the illustration.  
•
•
The default baudrate is 9600.  
The fixed protocol is 8-bits, 1 stop bit, no parity.  
When a change is selected, but not yet saved, the value blinks.  
Press  
Press  
to save the selection to memory.  
to go to Menu #0 and then  
to go back to the Default Menu.  
4. RGB Delay Menu  
Press  
to get to this menu, and then press  
to select it.  
Use this menu to set the time delay for switching the RGB on after the sync has  
switched. Use  
increments).  
or  
to select the number of seconds (0 to 5 in half-second  
When a change is selected, but not yet saved, the value blinks.  
Press  
Press  
to save the selection to memory.  
to go to Menu #0 and then  
to go back to the Default Menu.  
_______ If audio is being switched with the video, the audio will also be delayed.  
Press to go back to the Default Menu.  
,
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Chapter 3 • Using the System 4xi Front Panel  
5. Slave Configuration Menu  
Use  
to get to this menu, and then press  
to select it.  
Menu 5 is used only to set up the System 4xi for use with a slave switcher. The  
default setting is "None".  
Press  
or  
to select from the following options:  
-
-
-
-
-
-
None = The System 4xi has no slave inputs.  
System 8+ = The slave is a System 8 Plus.  
System 10+ = The slave is a System 10 Plus.  
SW6ARMX = The slave is an SW6 ARMX switcher.  
SW4ARMX = The slave is an SW4 ARMX switcher.  
MULTI SYS8/10 Plus = More than one System 8/10 switcher.  
Press  
to save the selection to memory.  
Once set for a slave, an 8th menu will become available for selecting slave  
channels. See Chapter 4 for details on slave configurations.  
Press  
to go to Menu #0 and then  
to go back to the Default Menu.  
_______ When looped with other switchers, the System 4xi is always the Master.  
System 4xi switchers cannot be looped together.  
6. LD Sync Configuration Menu*  
This menu specifies line-doubled/quadrupled sync output format.  
Use to get menu 6, and then press to select it.  
There are four submenus for menu 6. Each submenu has two selection points,  
indicated by the character ">". Use to step between the two selection points,  
and then use or to change the choices.  
H/HVOUT => H Only for separate H & V out or CSync for composite sync out.  
SERRA.=> set for Serration Pulses Present or Removed.  
HOUT POL=> to set Horizontal Sync for Positive or Negative Polarity.  
VOUT POL=> to set Vertical Sync for Positive or Negative Polarity.  
If a change is selected, the new selection blinks until it is saved.  
Press  
Press  
Press  
to save the new setting.  
or any input button at any time to exit.  
to go to Menu #0 and then  
to go back to the Default Menu.  
*LDxi is shown here  
7. Sync Configuration Menu  
This Menu 7 will set up Line-Doubler/Line Quadrupler display mode for  
System 4LDxi /4LQxi (see flowchart in Figure 3-7 for menu differences).  
Press  
to access this menu, and then press  
to select it.  
With the cursor in the left position, use  
Screen (also called “Demo mode”).  
or  
to select VGA Mode or Split  
With the cursor at the right position, use  
or Off.  
or  
to turn the selected function On  
to go back to the Default Menu.  
Press  
Press  
to accept/save the change.  
to go to Menu #0 and then  
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Chapter 3 • Using the System 4xi Front Panel  
8. Information Menu  
Use  
to get this menu, and then press  
to select it.  
Menu 8 allows the internal system information to be displayed on the LCD  
screen, eliminating the need to open the System 4xi cover to see the switch  
settings. The Information Menu is for display only; no changes can be made  
from here.  
Press  
to select this menu set.  
The five submenus are shown in the example to the left.  
Press or to step through and display the information choices.  
The diagram to the left shows some examples of what the settings could be.  
Press  
Press  
or any input button at any time to exit.  
to go to Menu #0 and then to go back to the Default Menu.  
9. Slave Switcher Input Selection  
If the System 4xi is not set up for a Slave input, this menu will not appear.  
Because the System 4xi has four input buttons, if it uses a slave switcher,  
Menu 9 is used to select a Slave input from the Front Panel. Use the  
buttons to select from Input 4 through the highest input number available. (e.g. If  
a System 8 PLUS switcher is used as a slave, the input channels available in  
Menu 9 will be 4 through 11.)  
or  
When the input is selected, its video format is also displayed.  
Press  
Press  
to select the displayed channel.  
to go to Menu #0 and then  
to go back to the Default Menu.  
_______ CHL represents the input channel number (CHL04). In menus 1 and 2, VID  
(VID04) and AUD (AUD04) are used because in those menus video and audio  
are handled separately.  
Picture Controls (line doubler/line quadrupler converter)  
Displayed information  
depends upon video  
type, audio level and  
breakaway setting.  
The number of Picture Controls depends upon  
the System 4xi model. (See Figure 3-2.) Each  
Picture Control button will display its current  
setting. From this display, adjustments  
can be made and saved.  
->VID 01 RGBS  
->AUD 01 +00dB  
Default Screen  
Not on System 4C  
Active only with VID  
or YC type input.  
HORIZ. SHIFT  
00  
Press H SHIFT to Exit  
_______ There are three ways to exit a display at  
any time, without saving new settings.  
1. Press the same Picture Control  
button.  
CONTRAST ADJ  
00  
Press CONT to Exit  
COLOR ADJ  
00  
2. Press any input button (1 thru 4).  
Press COLOR to Exit  
TINT ADJ  
00  
3. Press  
then  
to go to Menu #0 and  
to go to the Default screen.  
Press TINT to Exit  
DETAIL ADJ  
Level 1 OF 4  
Press DETAIL to Exit  
Change Setting  
Accept/Save Setting  
Exit to Menu 0  
_______ Picture Controls for CONT, COLOR,  
and TINT are not available for RGBLD/  
RGBLQ inputs.  
Pressing an Input Button  
at any time will Exit to  
Default Menu.  
Figure 3-6. System 4xi Picture Controls Display Menu Flowchart  
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Horizontal Shift Control  
This is for line doubled/line quadrupled signals only.  
Press H SHIFT to bring up this menu. The current Horizontal Shift setting will be  
displayed. Use or to change the setting, while observing the projector/  
monitor screen. (Range: -62 to +62).  
Press to save the new setting.  
Press H SHIFT again to exit and return to the default screen.  
To exit without saving, press H SHIFT again (without pressing  
), or use one  
of the other procedures above.  
Contrast Control  
Press CONT to display this menu. The current Contrast setting will be displayed.  
Use or to change the setting, while observing the projector/monitor screen.  
(Range: -62 to +62).  
Press  
to save the new setting.  
Press CONT again to exit and go to the default screen.  
Color Control  
Press COLOR to display this menu. The current Color level will be displayed.  
Use  
or  
to change the setting, while observing the projector/monitor screen.  
(Range: -62 to +62).  
Press  
to save the new setting.  
Press COLOR again to exit and go to the default screen.  
Tint Control  
Press TINT to display this menu. The current Tint (Hue) level will be displayed.  
Use  
or  
to change the setting, while observing the projector/monitor screen.  
(Range: -62 to +62).  
Press  
to save the new setting.  
Press TINT again to exit and go to the default screen.  
Detail Control  
This control is only on the System 4LDxi and 4LQxi  
Press DETAIL to display this menu. The current Detail (Sharpness) setting will be  
displayed. Use  
or  
to change the setting, while observing the projector/  
monitor screen. (Range: 1 to 4).  
Press to save the new setting.  
Press DETAIL again to exit and go to the default screen.  
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Chapter 3 • Using the System 4xi Front Panel  
System 4 Series LCD Menus  
SYSTEM 4LD  
EXTRON V3.11  
SYSTEM 4LQ  
EXTRON V4.11 *  
Title Menu  
*4LQ menus will not appear exactly as  
shown here, i.e. LQ will replace LD, etc.  
After 2-3 second delay  
Displayed information  
depends upon video type,  
audio level and breakaway  
setting.  
Change Entry Point  
Change Selection  
Accept/Save Selection  
Exit to Menu 0  
Default Menu  
->VID 01 RGBS  
->AUD 01 +00dB  
Not on System 4C  
Active only with VID  
or YC type input.  
HORIZ. SHIFT  
00  
MENU SELECT  
0.EXIT  
Go to  
Menu 9  
Press H SHIFT to Exit  
MENU SELECT  
1.VID MODE CFG  
VID MODE CFG  
>VID01=>RGBLD_m  
CONTRAST ADJ  
00  
Select Video Input #.  
Select Video Type.  
Press CONT to Exit  
MENU SELECT  
2.AUD LEVEL CFG  
AUD LEVEL CFG  
>AUD01=>+00dB  
COLOR ADJ  
00  
Select Audio Input #.  
Select dB Level.  
Press COLOR to Exit  
MENU SELECT  
3.HOST BAUDRATE  
HOST BAUDRATE  
>9600  
TINT ADJ  
00  
Select Baud rate for  
Communication with Host.  
Press TINT to Exit  
MENU SELECT  
4.RGB DELAY  
RGB DELAY  
>0.5 SECONDS  
DETAIL ADJ  
Level 1 OF 4  
Select Time delay for  
switching RGB after Sync.  
Press DETAIL to Exit  
MENU SELECT  
5.SLAVE CFG  
SLAVE CFG  
>SW 6-MX  
Select type of switching  
device used as a Slave  
(or None).  
Change Setting  
Accept/Save Setting  
Exit to Menu 0  
MENU SELECT  
6.LD SYNC CFG  
LD SYNC CFG  
>H/HVOUT=>CSYNC  
Select type of Sync output.  
Select Serrations:  
Present or Remove  
MENU SELECT  
7.LD CFG  
LD CFG  
>VGA MODE =>ON  
Turn VGA Mode (for LD only) and/or  
Split Screen Mode On/Off  
Pressing an Input Button  
at any time will Exit to  
Default Menu.  
MENU SELECT  
8.INFORMATION  
INFORMATION  
>SYS 4 LD , V3.11  
Display System 4 Information:  
Projector type  
Prj baud Rate  
Host Baud Rate...  
SWITCH SLAVE  
>CHL 4= RGBS  
MENU SELECT  
9.SWITCH SLAVE  
Select Slave Channels,  
Chl 4 thru highest available  
Go to  
Menu 0  
*Only if configured  
as a Slave switcher  
Figure 3-7. System 4xi Display Menu Flow Chart  
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Chapter 3 • Using the System 4xi Front Panel  
Special Functions  
Other functions that can be accessed, using the Front Panel, are described  
below.  
System Reset  
The System 4xi can be restored to factory settings at any time from the default  
menu. To do this from the default menu, press and hold  
and  
and  
at the  
same time until a reset display message appears in the LCD screen. See the  
example below. When finished, the Default screen reappears.  
_________ This operation destroys all settings that were saved to memory, including all  
slave configuration settings.  
The restored settings include:  
-
-
-
-
-
-
-
-
-
Video configuration = RGBS  
Audio = 0.0 dB  
H Shift = midpoint (0)  
Cont = midpoint (0)  
Color = midpoint (0)  
Tint = midpoint (0)  
Host baud rate = 9600  
RGB delay = 0.0 seconds  
LD-Sync Cfg:  
Out = Composite Sync  
Serration = Present  
-
Number of channels = 4 (no slaves)  
Toggle Executive Mode  
Executive Mode allows certain settings to be protected by locking out the Front  
Panel. To toggle Executive Mode On from the default menu, press  
at the same time. Hold the keys until the LCD display indicates the mode  
and  
change. The second line of the LCD display will temporarily change to show  
"Executive ON".  
When the System 4xi is in the Executive Mode, panel operation is limited to  
Channel Input keys and Audio Mute keys. The Default LCD screen will change,  
showing "*" instead of "®". The VID and AUD information will be the same as  
the standard Default display.  
_______ One of the benefits of Executive Mode is that it stays in effect when power is  
turned Off.  
The same procedure toggles Executive Mode Off. From the default menu, hold  
the keys until the LCD display indicates the mode change. The second line will  
temporarily change to show "Executive OFF". The Default display changes the  
symbols "*" back to "®".  
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System 4xi Switcher Series  
User’s Manual  
Chapter Four  
4
Connecting Multiple Switchers  
Looping the System 4xi (Master/Slave)  
Input Channel Addressing  
SW4 ARMX or SW6 ARMX as Slave to System 4xi  
System 8/10 PLUS as Slave to System 4xi  
Multiple System 8/10 PLUS Switchers  
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Chapter 4 • Connecting Multiple Switchers  
Looping the System 4xi with Other Switchers  
The System 4xi can be interconnected, or “looped” with other switchers to allow  
for a greater number of inputs to be switched to the projector. With each of these  
configurations, the System 4xi acts as the “Master”, to communicate with the  
projector and supply the video signal. The switcher that provides input to the  
System 4xi is the “Slave”. If two switchers are looped with the System 4xi, the  
second switcher is a “Slave” to the first, and the first is a “Slave” to the  
System 4xi.  
• The slave switcher is always connected to the highest master input (input #4  
on a System 4xi, input #10 on a System 10 and input #8 on a System 8, etc.).  
• Input numbering always starts at input #1 of the System 4xi and input #4 will  
become the first input from the “slave” switcher.  
• The System 4xi cannot be used as a slave switcher.  
• The only switchers that can be looped with the System 4xi are:  
Extron’s SW4 ARMX, SW6 ARMX, System 8 PLUS and System 10 PLUS.  
• In any master/slave arrangement, the System 4xi acts as if it is one large  
switcher. That is, each slave input can be selected and set up from the  
System 4xi Front Panel. Any Slave input can be configured for any signal  
type.  
For example, a System 4LDxi with a System 8 PLUS as a slave is seen by PC  
software as a line-doubling, 11-input switcher.  
Input Channel Addressing  
The System 4xi must be set up to recognize input that is from another switcher  
unit. The Front Panel operation in Chapter 3 explains how this is done. In a  
master/slave configuration, input channel numbers of 4 or higher are translated  
and sent to the appropriate slave input number. For example, selecting input #9  
will select input #4 on the System 4xi, and then tell the slave switcher to select its  
input #6. See shaded table entry below.  
Channel  
Sys4  
SW4 SW6  
SW8+ SW10+ Multiple SW8+/SW10+  
Ch #1  
Ch #2  
Ch #3  
Ch #1  
Ch #2  
Ch #3  
Ch #4  
Ch #5  
Ch #6  
Ch #7  
Ch #8  
Ch #9  
Ch #10  
Ch #11  
Ch #12  
Ch #13  
Ch #4 Ch #1 Ch #1 Ch #1 Ch #1  
Ch #4 Ch #2 Ch #2 Ch #2 Ch #2  
Ch #4 Ch #3 Ch #3 Ch #3 Ch #3  
Ch #4 Ch #4 Ch #4 Ch #4 Ch #4  
Ch #1 (1st SW10)  
Ch #2  
Ch #3  
Ch #4  
Ch #5  
Ch #6  
Ch #7  
Ch #8  
Ch #9  
Ch #4  
Ch #4  
Ch #4  
Ch #4  
Ch #4  
Ch #4  
Ch #5 Ch #5 Ch #5  
Ch #6 Ch #6 Ch #6  
Ch #7 Ch #7  
Ch #8 Ch #8  
Ch #9  
Ch #10 Ch #10  
Ch #14  
Ch #15-22*  
Ch #4  
Ch #4  
Ch #2 (2nd SW10)  
Ch #3 - 10  
* Channel numbers continue if multiple switchers are used as slaves. The  
highest number of channels is 22, using two System 10 PLUS units as slaves.  
The following pages show configurations for looping the System 4xi with other  
Extron-approved switchers. Looping the System 4xi will not work with all  
switchers; call Extron Electronics if you have any questions.  
4-1  
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Chapter 4 • Connecting Multiple Switchers  
Controlling Master/Slave Switchers  
When a host system is controlling a System 4xi with a switcher as a slave, a  
special 9-pin T-Connector cable, called a “System 4xi Slave Adapter” is  
necessary. Pictured below, in Figure 4-1, the connector marked “Slave” is a 9-  
pin male connector designed to work with the switchers described in this section.  
Communications between the System 4xi (master) and the slave is done through  
a second port on the same connector. The adapter puts this second set of  
signals on the “normal” transmit/receive lines (pins 2 and 3) on the slave  
connector. Because Host devices tend to use pins 4 and 8 for CTS and DTR  
signaling, those pins must be disabled.  
_________ Referred to as Rx2 and Tx2, on pins 4 and 8, these pins* must not be used for  
other signals in the Host System. It may be necessary to disconnect pins 4 and 8  
at the Host side.  
The J1 connector connects to the J2 connector which connects to the J3  
connector.  
J1 Pins (System 4xi) J2 Pins (Host)  
J3 Pins (Slave Switcher)  
1 - n/c  
2 - Tx  
1 - n/c  
2 - Rx  
1 - n/c  
2 - Tx2 (slave to host)  
3 - Rx  
3 - Tx  
3 - Rx2 (host to slave)  
4 - n/c  
5 - Gnd  
6 - n/c  
7 - n/c  
8 - n/c  
9 - n/c  
4 - Tx2  
5 - Gnd  
6 - n/c  
7 - n/c  
8 - Rx2  
9 - n/c  
4 - *Tx2  
5 - Gnd  
6 - n/c  
7 - n/c  
8 - *Rx2  
9 - n/c  
Extron makes this cable (Extron part # 26-386-01), however, if you choose to  
make your own, the pin requirements are specified in the above table.  
The System 4xi Slave Adapter is shown in the appropriate application diagrams  
that follow.  
Slave Switcher  
Figure 4-1. System 4xi Slave Adapter  
Extron • System 4xi Switcher Series • User’s Manual  
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Chapter 4 • Connecting Multiple Switchers  
System 4xi with SW4/6 ARMX Switchers  
The picture in Figure 4-2 shows an SW6 ARMX as an example, although it would  
also apply to an SW4 ARMX. Connect the video output of the ARMX switcher  
(SW4 or SW6) to the last (4th) input of the System 4xi.  
_______ Regardless of how the slave switcher input connectors are marked, they must  
conform to the inputs of the System 4xi. They are: R/C, G/Y/Video, B, H/HV & V.  
Note that composite video uses the G/Y connector.  
The System 4xi will control the ARMX switcher through the secondary RS-232  
port, by way of a System 4xi Slave Adapter described on page 4-2.  
_______ Jumper E2 inside the SW4/6 must be moved from “Normal” to “Slave Sys4”  
position to allow it to act as a slave. (See SW4/6 documentation.)  
After making all the cable connections, go to page 4-7 to configure the master/  
slave as a system.  
Projector  
2-Channel  
Stereo Audio  
BNC Cable  
Projector  
Comm Adapter  
Projector Communication  
Extension Cable  
Rear Panel  
INPUT 1  
H/HV  
INPUT 2  
INPUT 3  
H/HV  
INPUT 4  
H/HV  
OUTPUT  
H/HV  
PJ COMM  
V
H/HV  
V
V
V
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
R/C  
G/Y  
B
R/C  
G/Y  
R/C  
G/Y  
B
R/C  
G/Y  
B
R/C  
G/Y  
B
RS-232  
System 4  
Slave Adapter  
(26-386-01)  
* Do not connect Pin #4  
or Pin #8 (improper slave  
operation will occur)  
Laserdisc Player  
with S-video Outputs  
and Stereo Audio  
VCR/VTR with Audio  
SW 6 AR MX  
M
A
N
U
A
L
VCR  
Control System  
SVGA Compatible  
Computer  
Laptop Computer  
Figure 4-2. System 4xi Master with an SW6 ARMX Slave Switcher  
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Chapter 4 • Connecting Multiple Switchers  
System 4xi with One System 8/10 PLUS Switcher  
The System 8/10 PLUS must be configured as a Slave. Connect the RGBHV and  
Audio output of the System 8/10 PLUS switcher to the last (4th) input of the  
System 4xi. Use the figure below as an example.  
The System 4xi will control the System 8/10 PLUS Switcher through the  
secondary RS-232 port, by way of a System 4xi Slave Adapter described on  
page 4-2.  
Go to page 4-6 to set up the  
System 8/10 PLUS switches.  
Projector  
2-Channel  
Stereo Audio  
BNC Cable  
After making all the cable  
connections, go to page 4-7  
to configure the master/  
slave as a system.  
Projector  
Comm Adapter  
Projector Communication  
Extension Cable  
Rear Panel  
INPUT 1  
H/HV  
INPUT 2  
INPUT 3  
H/HV  
INPUT 4  
OUTPUT  
PJ COMM  
V
H/HV  
R/C  
V
V
H/HV  
R/C  
V
H/HV  
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
RS-232  
R/C  
G/Y  
B
G/Y  
R/C  
G/Y  
B
G/Y  
B
R/C  
G/Y  
B
System 4  
Slave Adapter  
(26-386-01)  
Laserdisc Player  
with S-video Outputs  
and Stereo Audio  
Control System  
Audio*  
System 10 Plus  
* Extron recommends that audio  
connections between switchers be wired  
unbalanced. If balanced connections are  
required, insert a -6 dB pad in-line to  
maintain 0 dB system audio gain.  
SVGA Compatible  
Computer  
Laptop Computer  
VCR  
Figure 4-3. System 4xi Master with a System 10 Plus Slave Switcher  
_______ Regardless of how the slave switcher input connectors are marked, they must  
conform to the inputs of the System 4xi. They are: R/C, G/Y/Video, B, H/HV & V.  
Note that composite video uses the G/Y connector.  
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Chapter 4 • Connecting Multiple Switchers  
System 4xi with Multiple System 8/10 PLUS Switchers  
This configuration will work only with System 8/10 PLUS switchers in a daisy  
chain configuration. (See the System 8/10 User’s Manual for details.) The master  
of the System 8/10 PLUS chain must be configured in the “RS-232 only” projector  
communications mode. The System 4xi will control the System 8/10 PLUS  
Switcher through the secondary RS-232 port by way of a System 4xi Slave  
Adapter described on page 4-2. The System 4xi communicates with the first  
System 8/10 PLUS, which in turn communicates with the second System 8/10  
PLUS.  
A. Use the Slave Adapter to connect the controlling device to the System 4xi and  
to the first System 8/10 PLUS.  
B. Connect a cable from Intercom Out connector (RJ11) on the first System 8/10  
PLUS and the other end into Intercom In connector (RJ11) of the second System  
8/10 PLUS.  
C. Connect the RGBHV and  
Audio outputs from the System 8/  
Projector  
2-Channel  
Stereo Audio  
10 PLUS master to the last input  
BNC Cable  
of the System 4xi. Likewise,  
connect the output of the second  
slave to the last input of the first  
slave.  
Projector  
Comm Adapter  
Projector Communication  
Extension Cable  
Rear Panel  
Go to page 4-6 to set up the  
System 8/10 PLUS switches.  
INPUT 1  
H/HV  
INPUT 2  
INPUT 3  
H/HV  
INPUT 4  
OUTPUT  
PJ COMM  
V
H/HV  
V
V
H/HV  
R/C  
V
H/HV  
V
AUDIO  
AUDIO  
B
AUDIO  
AUDIO  
AUDIO  
RS-232  
R/C  
G/Y  
B
R/C  
G/Y  
R/C  
G/Y  
B
G/Y  
B
R/C  
G/Y  
B
Regardless of how the slave  
switcher input connectors are  
marked, they must conform to the  
inputs of the System 4xi. They  
are: R/C, G/Y/Video, B, H/HV &  
V. Note that composite video  
uses the G/Y connector.  
System 4  
Slave Adapter  
(26-386-01)  
Laserdisc Player  
with S-video Outputs  
and Stereo Audio  
Control System  
System 10 Plus  
After making all the cable  
connections, go to page 4-7 to  
configure the master/slave as a  
system.  
* Extron recommends that audio  
connections between switchers  
be wired unbalanced. If  
balanced connections are  
required, insert a -6 dB pad in-  
line to maintain 0 dB system  
audio gain.  
Audio*  
Audio*  
SVGA Compatible  
Computer  
Laptop Computer  
VCR  
SVGA Compatible  
Computer  
INPUT 22  
Figure 4-4. System 4xi Master with multiple System 10 Plus Slave Switchers  
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Chapter 4 • Connecting Multiple Switchers  
System 8/10 PLUS Switch Settings  
From the front access panel on the System 8/10 PLUS, do the following:  
1. On DIP switch block SW15, set switches #6 and #8 ON.  
Figure 4-5. System 8/10 Plus Front Access Panel Switches  
2. Set rotary switch RS4 to the “0” position.  
On the rear panel of the System 8/10 PLUS, do the following:  
3. Set the Norm/VLB switch on the back of the 8/10 PLUS set to “Norm”.  
4. Set the Address switches for “master”. (If looping two 8/10 PLUS systems to  
the System 4xi, the second one must be set as a “slave”.)  
5. Set the Video/RGBS switches to match the type of video to be used by each  
input and do the configuration setup.  
Go to page 4-7 to configure the master/  
slave as a system.  
_______ Refer to the System 8/10  
PLUS User’s Manual for  
other switch settings.  
Figure 4-6. System 8/10 Plus Setup Switches  
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Chapter 4 • Connecting Multiple Switchers  
Programming the System 4xi Looping Configuration  
After making all the connections for a master/  
slave system, turn power on for all the units  
involved and access Menu 5 (Slave Cfg). Use  
the  
or  
to step to the correct  
configuration, and then press  
the setting to memory.  
to save  
_______ This procedure may be done before connecting  
the slave(s) to the System 4xi, if that is more  
convenient.  
Testing the Master/Slave Communications  
Press  
to go back to the menu selection again. Step to the Switch Slave  
menu (Menu 9 if System 4LDxi/4LQxi – otherwise Menu 8). This menu will only  
appear if there is a slave configured.  
Press  
to get the Switch Slave Menu (shown below). The display will show  
Channel 4 because that is the first slave channel.  
Use the and to step to a slave channel and press  
to select it. Once  
selected, look at the front panel of the slave unit to see that the correct channel  
has been selected. Using the table on page 4-1, select channel #6 and channel  
#3 will light on the slave switcher. Repeat this procedure for each available slave  
channel. (Only the available channels will show in the LCD display.)  
Now test the switcher communications in reverse by pressing a channel switch  
on the slave and see that its system channel number appears in the LCD  
display. Again, use the table on page 4-1 as a reference.  
Once the master/slave system is checked out, all of the available channels can  
be accessed and set up from the System 4xi front panel with Menus 1 and 2. The  
channel numbers will be as listed in the left column of the table on page 4-1.  
_________ Resetting the system (described on page 3-7) will remove all slave channels  
from memory. If that happens, Menu 5 must be used to reconfigure the system.  
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System 4xi Switcher Series  
User’s Manual  
Chapter Five  
5
Using Windows® Control Software  
Installing the Windows Software  
Using Help Examples  
System 4xi Stand-alone  
System 4xi with Slave  
Executive Mode  
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Chapter 5 • Using Windows® Control Software  
Extron System Switcher Control Software  
This chapter is dedicated to using Extron’s “Windows Control Program for  
System Switchers via RS-232” software. Extron supplies this software that runs  
in the Windows® operating system, version 3.1 or later (Windows95® and  
Windows98®). It works with several Extron system switchers, including the  
System 4xi series. Communication between the computer software and the  
switcher is established after connecting the computer to the RS-232 Port on the  
rear panel of the System 4xi, as follows:  
1. Connect the PC’s Comm port to the RS-232 on the back of the System 4xi.  
2. Power up the System 4xi and the PC and start Windows.  
_______ The floppy disk has  
instructions printed  
on the label. The  
software can be run  
from the floppy drive,  
or loaded onto the  
PC’s hard drive.  
3. Install the  
System 4  
Switcher  
software from the  
3.5” floppy disk  
onto the hard disk  
like any other  
RS-232  
Windows  
application. (Run  
Setup.exe from  
the floppy disk.)  
_______ Although this  
software was  
designed to control  
any System 4xi  
switcher, its  
operation will be  
restricted to the  
features and  
PC with Windows®  
Operating System  
Figure 5-1. Connect the PC to the System 4xi.  
configuration of your unit.  
SYSTEM  
4/8/10+  
4. To run the System Switcher Control program, double-click on the SYSTEM  
SWITCHER Control Pgm icon in the Extron Electronics group or folder. The  
Comm menu appears on the display.  
SYSTEM  
SWITCHER  
Control Pgm  
Figure 5-2. System Switcher Control Program icon  
___________ Double-clicking the Help icon will present detailed examples of the screens and  
SYSTEM  
SWITCHER  
Help  
menus prior to running the Control program.  
5. After you have selected the Comm Port, the software looks for the  
System 4xi, “reads” its configuration, and then displays that information in a  
window called “Extron’s System Switcher Control program”. (see Figures 5-4  
through 5-7)  
5-1  
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Chapter 5 • Using Windows® Control Software  
System 4xi Help  
The fastest way to learn what each Windows® function does is through the Help  
menus. At any time, help is available by double-clicking the Help icon (previous  
section), pulling down the Help menu or by pressing F1. This will bring up the  
Help menu (like the example shown below) to allow you to step through the  
screen examples. Click on the items on each screen to display a description.  
_________ As with all Windows® Help menus, clicking on the underlined words will give  
more detailed help.  
.
Figure 5-3. Example of the first Help menu, Help Contents  
After viewing the Help menus, use the software to setup your System 4xi.  
Specific examples are given below.  
Each function on the front panel of your System 4xi is emulated in the software  
panel in the window. Also, the software was written to operate with different  
models of switchers. Therefore, any function that is not available on your model  
will be inactive in the window. A function is inactive when it appears dull, or gray,  
and does not respond to the mouse cursor.  
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Chapter 5 • Using Windows® Control Software  
Windows Control Panel Examples:  
As mentioned earlier, the window panels have the same functions as the  
System 4xi front panel. Figure 5-4 shows four input buttons for the System 4xi,  
while Figure 5-5 shows 11 inputs. This is an example of a System 4xi, with a  
System 8 Plus switcher as a slave unit. Inputs 1, 2 and 3 may each have a video  
device connected. However, Inputs 4 through 11 are actually Inputs 1 through 8  
of the slave switcher connected to the System 4xi (8 + 3 = 11 inputs).  
Although the Help menus have detailed information on the software functions,  
here are some brief descriptions.  
MAIN POWER – in the upper-left corner, is the same as the Power button on the  
System 4xi front panel. It turns the switcher off or on.  
_________ When this button is in the off position, power is still present inside the System 4xi  
enclosure.  
INPUTS – Click to select an input. Settings associated with that input will also be  
displayed in the window panel. If both the Video (green) and Audio (blue)  
boxes are selected (X), the audio and video will switch together (Audio  
Follow); if not, they may be switched separately (Breakaway).  
The Video type (example VIDLD_s) and Audio level (example +14 dB) are  
displayed to the right of the buttons.  
AUDIO MUTE – This button mutes the Audio temporarily.  
DISPLAY POWER – This button is the same as the Display Power button on the  
System 4xi front panel. If available, it turns the display (projector) off or on.  
DISPLAY MUTE – This button, if  
available, turns the display  
(picture) off temporarily.  
FREEZE – Freeze Frame Mode  
is active if this LED is on.  
While in this mode, the  
output will be a single frame  
of video until the Freeze  
button is pressed.  
Figure 5-4. Example of a System 4xi (LD/LQ) Panel with no Slave Switchers  
Figure 5-5. Example of a System 4xi (LD/LQ) Panel with a System 8 Plus as  
a Slave Switcher  
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Chapter 5 • Using Windows® Control Software  
PICTURE CONTROLS – Depending upon the model of your System 4xi, there are  
three, four or five controls that correspond to the Picture Controls on the  
System 4xi front panel. Each control is clearly marked and has a “nudge”  
button for increasing and another for decreasing the setting. (These controls  
are also available through the Configure Video pull-down menu.  
_______ The actual window panel controls will depend upon your System 4xi model, as  
well as the projector, or display device that is connected to it.  
Executive Mode  
This section shows examples of System 4xi panels when in Executive Mode.  
After setting up the audio and video controls, the System 4xi may be put in  
Executive Mode. This simplifies switcher operation by disabling most of the audio  
and video setup controls and not displaying them. This mode also “locks”  
configuration settings by not allowing access to them.  
Figure 5-6. Example of a System 4xi (LD/LQ) Panel in Executive Mode with no Slave  
Switchers  
Enter Executive Mode from the Configure Menu; leave by  
clicking on the Normal button.  
Executive Mode takes up less space on the computer  
screen, allowing space for other applications.  
Figure 5-7. Example of a System 4xi (LD/LQ) Panel in Executive Mode with a System 8 Plus as a Slave  
Switcher  
Use the Normal button to get out of Executive Mode and return to the type of  
menus shown on page 5-3. Use the Exit button to close and exit the Windows®  
Control Software.  
Window Pull-Down Menus  
The following menus are not available in Executive Mode:  
FILE MENU – Use the Help menu for descriptions. Selections include:  
•
•
•
Initialize Unit – Reset the System 4xi to factory settings.  
Test/Cycle Inputs – Automatically steps through input selection one time.  
Exit – Leave the Windows® Control Program.  
CONFIGURE MENU – Use the Help menu for descriptions. Selections include:  
•
Video Modes – Choose video type, picture controls, etc. for each input. To  
see an example of this Control Panel Window, select “Video Configuration  
Screen” from the first Help Screen.  
•
Audio Inputs – Set/view audio levels for each input. To see an example of this  
Control Panel, select “Audio Configuration Screen” from the first Help  
Screen.  
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Chapter 5 • Using Windows® Control Software  
•
•
•
•
Slaves – Choose the type of slave switcher input.  
Sync Configuration – Choose sync on green, separate sync, etc.  
RGB Delay – Set/view time delay value for switching RGB signals after sync.  
Executive Mode – Change Windows display to smaller version which locks  
most controls but allows input switching and on/off control.  
HELP MENU – Selections include:  
•
•
•
•
•
•
Contents – Starts Windows Help.  
About this program – Display software version and copyright information.  
Model – Identify detected hardware (e.g. System 4LDxi ).  
SC Firmware Version – Identify Switcher Control firmware version number.  
PC Firmware Version – Identify Projector Control firmware version number.  
Projector – Identify the projector for which the switcher is set (e.g. Sony).  
5-5  
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System 4xi Switcher Series  
User’s Manual  
Appendix A  
A
RS-232 Programming Guide  
RS-232 Interface  
Simple Instruction Set  
Advanced Instruction Set  
Programming Commands  
Programming Examples  
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Appendix A • RS-232 Programmer’s Guide  
Programming the System 4xi Series Switchers  
This section covers the commands for a host to setup and control a System 4xi  
series switcher through the RS-232 port. The material included covers the  
System 4LDxi and the System 4LQxi switchers. Commands or parameters that  
apply to specific models will be pointed out, otherwise, all references will simply  
say “System 4xi ”.  
RS-232 Connections  
A standard RS-232 port is  
OUTPUT  
available on the back of  
the System 4xi for use by  
AUDIO  
a host system. The  
connections are as  
follows:  
Figure A-1. The RS-232, 9-pin D Connector on the Rear Panel  
RS-232 Pin Connections  
Pin Signal Pin  
Signal  
Pin Signal  
1
2
3
n/c  
Tx  
Rx  
4
5
6
Tx2  
Gnd  
n/c  
7
8
9
n/c  
Rx2  
n/c  
_______ Rx2 and Tx2 are used to communicate with a slave switcher (do not connect to  
or use these pins)  
RS-232 Protocol  
The default protocol is:  
9600 baud, 8-bits, no parity, 1 stop bit and no flow-control.  
The baud rate can be changed through a front panel menu. (See Chapter 3.)  
Program Instruction Levels  
The System 4xi recognizes any character that comes in on the RS-232 port as a  
possible command. Commands can be from either of two groups, or instruction  
sets. They are as follows:  
1. The Simple Instruction Set can be any ASCII character that is recognized  
by the System 4xi as a command. For this set, there are no codes required  
to say that a command is coming, or that a command has ended. Simple  
commands could come from a terminal, or any other controlling device. After  
the System 4xi gets the command, it will execute it and send an appropriate  
response to the controlling device.  
2. The Advanced Instruction Set consists of more complex instruction strings.  
Advanced instructions are used when a complete command cannot be  
defined within one character. Each instruction string must begin with an  
Escape code (ESC) and end with an End Of Transmission code (EOT).  
Advanced commands could come from any controlling device capable of  
composing a command and sending it as a string. The System 4xi will  
execute any legal command string and send a response string back to the  
host.  
Because of this “open recognition”, commands from the two instruction sets can  
be intermixed. Both instruction sets are listed and defined on pages that follow.  
_______ RS-232 control can also be established from a computer using the Windows®  
operating system and Extron’s software. This is covered separately in Chapter 5.  
A-1  
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Appendix A • RS-232 Programmer’s Guide  
System 4xi -Initiated Messages  
When AC power is initially applied to the System 4xi, the following System 4xi-  
initiated messages (underlined) are sent to the Host:  
*
¿(C)COPYRIGHT 1997, EXTRON ELECTRONICS SYSTEM4LQxi, V4.0¿  
¿SYS 1¿ System 4xi power is ON  
¿ Ax¿  
¿Vx¿  
x = the Audio channel number selected  
x = the Video channel number selected  
* This message will vary depending on the System 4xi model.  
When the Main power from the front panel is applied to the System 4xi, the  
following System 4xi-initiated messages are sent to the Host:  
¿SYS x¿ (as described above)  
¿Ax¿  
¿Vx¿  
(as described above)  
(as described above)  
When audio and/or video settings are changed using the front panel, the  
following messages or message combinations are sent to the Host:  
¿Ax¿  
¿Vx¿  
¿Cx¿  
(as described above)  
(as described above)  
Both video and audio settings for channel number x have been changed  
When there is a change in the audio gain setting from the front panel, the  
following message is sent to the Host:  
¿RECONFIG¿  
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Appendix A • RS-232 Programmer’s Guide  
Simple Instruction Set  
A simple command may be a single character typed on a keyboard and does not  
require any special characters before or after. (i.e. It is not necessary to press  
“enter” from the keyboard.) However, some command characters may be  
followed by a “delimiter” character which further defines a specific request.  
Related Terms  
The following terms may be helpful in understanding information in the tables  
and examples that follow.  
Delimiter:  
A delimiter character may specify audio and not video, the switcher and not the  
projector, etc. For commands that have more than one character, the delimiter is  
always the last character for that command.  
Line Feed/Carriage Return:  
General – On most keyboards, pressing “enter” creates a line feed (lf) and a  
carriage return (cr). The screen cursor moves down one line (lf) and to the left  
margin (cr). This is done to prevent stringing unrelated information together.  
Because these are separate functions, the programmer may send them at any  
time, and in either sequence (lf/cr or cr/lf). Also, some applications may issue  
these commands at the beginning of a sequence, at the end of a sequence, or  
both. Each response (as seen on a terminal display) will use it in one form or  
another.  
System 4xi – The System 4xi uses lf/cr before and after each response and is  
symbolized as (¿) in examples that follow.  
Discrete Command:  
A “discrete” command can do only one thing. For example, if projector power is  
already On, sending a “discrete power on” command does nothing. See toggle.  
Display, or Display Device:  
“Display” refers to the video output device (projector, monitor, etc.)  
Any device capable of talking to the switcher through an RS-232 port.  
Host:  
Space:  
When writing programs, it is critical to know when to insert a space and when to  
leave it out. If not done correctly, the command will not work. Examples in this  
chapter use a dot (·) to represent a space. This should eliminate any confusion.  
Switcher:  
Terminal:  
“Switcher” refers to the System 4xi or any slave inputs from other sources.  
Any device that includes a keyboard and a display. This could be a “dumb”  
terminal, a “smart” terminal, a PC operating in “terminal” mode, etc.  
Toggle:  
Zero:  
A “toggle” command changes the state of the function. This can be either of two  
things: If the function was Off, the command turns it On; if the function was On,  
the command turns it Off. A toggle command character may be either upper or  
lower case.  
The number zero may be shown as  
Ø
to distinguish it from the letter “O”.  
The codes discussed in this section include any character that may be part of a  
command or part of a response. This includes delimiter characters, data  
characters, etc. Some functions may have more than one command. For  
example, Power has a “turn on”, a “turn off” and a “toggle” command.  
A-3  
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Appendix A • RS-232 Programmer’s Guide  
Simple Instruction List  
The table below lists the Simple Instruction Set commands, as well as response  
and data characters recognized by the System 4xi. Examples of their use are  
given later. The “Cmd/Rsp” column indicates how the character is used:  
Cmd - indicates a host command (or part of a command) to the switcher.  
Rsp - indicates a switcher response to the host.  
Character Cmd/Rsp  
Dec  
Hex  
Function  
lf  
cr  
ESC  
Rsp  
Rsp  
Cmd  
1
13  
27  
Ø
Ø
A
Line feed  
Carriage return  
Initiates an Advanced Instruction Set command (Page A-6)  
ØD  
1B  
!
Cmd  
33  
21  
Delimiter to specify video and audio selection  
$
&
(
Cmd  
Cmd  
Cmd  
Cmd  
36  
38  
24  
26  
28  
29  
Delimiter to specify audio selection only  
Delimiter to specify video selection only  
Turn the Display mute On  
4
Ø
)
41  
Turn the Display mute Off  
+
-
Ø
Cmd  
Cmd  
Cmd/Rsp  
Cmd/Rsp  
43  
45  
48  
49  
2B  
2D  
Turn the Switcher Audio mute On  
Turn the Switcher Audio mute Off  
3
Ø
Numeric value of  
Ø
1
31  
Numeric value of 1  
2
3
4
5
Cmd/Rsp  
Cmd/Rsp  
Cmd/Rsp  
Cmd/Rsp  
5
Ø
32  
33  
34  
35  
Numeric value of 2  
Numeric value of 3  
Numeric value of 4  
Numeric value of 5  
51  
52  
53  
6
7
8
9
Cmd/Rsp  
Cmd/Rsp  
Cmd/Rsp  
Cmd/Rsp  
54  
55  
56  
57  
36  
37  
38  
39  
Numeric value of 6  
Numeric value of 7  
Numeric value of 8  
Numeric value of 9  
:
;
<
>
Cmd  
Cmd  
Cmd  
Cmd  
58  
59  
6Ø  
3A  
3B  
3C  
3E  
Turn Executive Mode On (discrete)  
Turn Executive Mode Off (discrete)  
Turn Switcher Main power On (discrete)  
Turn Switcher Main power Off (discrete)  
62  
@
A
B
b
Cmd  
Rsp  
Cmd  
Cmd  
64  
65  
66  
98  
4
Ø
Delimiter to specify audio & video for the Switcher only  
An audio channel character follows  
Turn RGB mute On for the Switcher only  
Turn RGB mute Off for the Switcher only  
41  
42  
62  
C/c  
C
E
F/f  
I/i  
Cmd  
Rsp  
Rsp  
Cmd  
Cmd  
67/97 43/63  
Request projector configuration  
67  
69  
43  
45  
A Channel character follows (audio & video)  
An Error code character follows  
Freeze Mode (On/Off)  
Request for Information  
70/102 46/66  
73/105 49/69  
J/j  
M
Cmd  
Rsp  
74/106 4A/6A  
Demo On/Demo Off  
Maximum number of inputs  
77  
4D  
N/n  
O/o  
P
Cmd  
Cmd  
Rsp  
78/110 4E/6E  
79/111 4F/6F  
Request part number  
Toggle the Display power (On/Off)  
A character for power status of the Display device follows  
8Ø  
5Ø  
Q/q  
R/r  
S/s  
S
Cmd  
Cmd  
Cmd  
Rsp  
81/113 51/71  
82/114 52/72  
83/115 53/73  
Query Software Version - show PC & SC version numbers  
Toggle the RGB mute for the Switcher only  
Toggle the Display mute (On/Off)  
83  
53  
A character for mute status of the Display device follows  
T
V
X
x
Z
z
Rsp  
Rsp  
Cmd  
Cmd  
Cmd  
Cmd  
84  
86  
88  
54  
56  
58  
78  
5A  
7A  
A character for video signal Type follows  
A character for the Video channel follows  
Executive Mode On  
Executive Mode Off  
Audio mute On  
120  
9Ø  
122  
Audio mute Off  
[
]
Cmd  
Cmd  
91  
93  
5B  
5D  
Turn the Display power On  
Turn the Display power Off  
Extron • System 4xi Switcher Series • User’s Manual  
A-4  
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Appendix A • RS-232 Programmer’s Guide  
Simple Instruction Examples  
The tables that follow give examples of some of the ASCII codes that may be  
entered from a host device. The Switcher Response column shows what will be  
seen on the host’s screen. Appropriate response messages are also displayed  
on the System 4xi’’s LCD screen.  
The resultant changes made by these commands will also show on the  
System 4xi Front Panel. Errors may occur under certain conditions, such as  
when trying to select a nonexistent channel, or trying to mute the projector when  
it is turned off, etc. Error codes are on the next page.  
The first group lists commands for the display device (projector/monitor) and the  
second group lists commands for the switcher (System 4xi ). The Hex column  
gives hexadecimal equivalents for cases where the codes will be generated by  
another source.  
Display Commands  
ASCII Hex  
Switcher Response Result Description  
Display Power (toggle On)  
(If switcher was Off,  
it will also turn On.)  
O/o  
4F/6F  
¿PR·1¿  
¿PW·I¿  
¿PW·E¿  
Display Power is On  
Please Wait, Initializing  
Please Wait, End  
Display Power (toggle Off)  
O/o  
[
4F/6F  
5B  
¿PR·  
Ø
¿
Display Power is Off  
Display Power On (discrete)  
(If switcher was Off,  
it will also turn On.)  
¿PR·1¿  
¿PW·I¿  
¿PW·E¿  
Display Power is On  
Please Wait, Initializing  
Please Wait, End  
Display Power Off (discrete)  
]
5D  
¿PR·  
¿MUT·1¿  
¿MUT·  
¿MUT·1¿  
¿MUT·  
Ø
¿
Display Power is Off  
Display Mute (toggle)  
S/s  
53/73  
Display Mute turned On  
Display Mute turned Off  
Display Mute is On  
Ø
¿
Display Mute On (discrete)  
Display Mute Off (discrete)  
(
)
28  
29  
Ø
¿
Display Mute turned Off  
Switcher Commands  
ASCII Hex  
Switcher Response Result Description  
Switcher Power On (discrete)  
(does not affect display device)  
<
3C  
¿SYS·1¿  
Vn¿  
An¿  
Switcher (System) power is On  
n = the Video channel number selected  
n = the Audio channel number selected  
Switcher Power Off (discrete)  
(also turns display Off)  
>
3E  
¿SYS·  
¿PR·  
¿BLK1¿  
¿BLK  
¿BLK1¿  
¿BLK  
¿AMUT·1¿  
¿AMUT·  
¿AMUT·1¿  
¿AMUT·  
¿EXE·1¿Vn¿An¿  
¿EXE· ¿Vn¿An¿  
¿EXE·1¿Vn¿An¿  
¿EXE· ¿Vn¿An¿  
Ø
¿
Switcher (System) power is Off  
Display power is Off  
Ø
¿
Switcher RGB Mute (toggle)  
or  
Switcher RGB Mute On (discrete)  
Switcher RGB Mute Off (discrete)  
R/r  
52/72  
Switcher RGB mute On (Blanked)  
Switcher RGB mute Off  
Switcher RGB mute is On (Blanked)  
Switcher RGB mute is Off  
Ø¿  
B
b
42  
62  
Ø¿  
Switcher Audio Mute (discrete)  
Switcher Audio Mute (discrete)  
Audio Mute On (discrete)  
Z
z
+
-
5A  
7A  
2B  
2D  
Switcher Audio Mute is On  
Switcher Audio Mute is Off  
Switcher Audio Mute is On  
Switcher Audio Mute is Off  
Ø
¿
Audio Mute Off (discrete)  
Ø¿  
Executive Mode (discrete)  
Executive Mode (discrete)  
Executive Mode On (discrete)  
Executive Mode Off (discrete)  
X
x
:
58  
78  
3A  
3B  
Switcher is in Executive Mode  
Switcher not in Executive Mode  
Switcher is in Executive Mode  
Switcher not in Executive Mode  
Ø
;
Ø
(Where n = Video channel and/or Audio channel selected)  
Request Projector Configuration  
C/c  
N/n  
43/63  
4E/6E  
¿CONFIG·FOR·SONY······¿  
(Total of 24 information/space characters)  
Display internal setting for projector type  
Request Part Number  
¿60-155-01¿  
Part number for the System 4xi model.  
(Example is for System 4LDxi )  
A-5  
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Appendix A • RS-232 Programmer’s Guide  
Switcher Commands  
ASCII Hex  
Switcher Response Result Description  
Freeze On  
Freeze Off  
Demo On  
Demo Off  
F
f
46  
66  
4A  
6A  
¿Frz1·¿  
¿Frz0·¿  
¿Dmo1¿  
¿Dmo0¿  
Freeze video frame  
Release Freeze mode  
Demo Mode status = On  
Demo Mode status = Off  
J
j
Information Request  
I/i  
49/69  
¿V3·A2·T8·P1·SØ·ZØ·RØ·QPC3.Ø·QSC3.Ø·M4¿  
This example says: Video channel selected is #3 (V3), Audio channel is #2 (A2), selected input is RGBLD-still (T8), Projector  
is On (P1), all Mutes {Display (S ), Audio (Z ) & RGB (R )} are Off, both the Projector software and the Switcher software are  
version 3. (QPC3. ·QSC3. ), and the system has four input channels (M4).  
Information Request, example #2: I/i 49/69 ¿V ·A ·T ·P ·S ·Z  
This example says that this is a System 4xi with four inputs and its power is turned Off.  
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø
Ø·RØ·QPC3.  
Ø
·QSC3.  
Ø·M4¿  
Information ASCII Hex  
Request Info 49/69  
Switcher Response  
Result (See below)  
I
¿V ·A ·T ·P ·S ·Z ·R ·QPC  
.
·QSC  
.
·M  
¿
The response on the screen will consist of ten sets of characters with a space (·) between each set. Each set is made up of a  
letter (or letters) that define a function, followed by a number (or numbers) that define the status of that function. Numbers are  
represented by  
,
, etc. Examples follow.  
Function Character(s)  
V = Video Channel  
A = Audio Channel  
Status Character(s)  
= Video channel # (  
Ø
Ø
= System power is off)  
= System power is off)  
= Audio channel # (  
T = Video Type  
= 1 = RGBS  
System 4xi:  
LDxi __ LQxi  
x ____ x  
2 = Sync on Green (RGsB)  
x ____ x  
3 = VID  
4 = YC  
- ____ -  
- ____ -  
5 = RGBLD (line-doubled RGB)  
6 = VIDLD (line-doubled composite video)  
7 = YCLD (line-doubled S-video)  
- ____ -  
- ____ -  
- ____ -  
8 = RGBLD -still  
x ____ -  
9 = RGBLD - motion  
x ____ -  
x ____ -  
x ____ -  
x ____ -  
x ____ -  
- ____ x  
- ____ x  
10 = YCLD - still  
11 = YCLD - motion  
12 = VIDLD - still  
13 = VIDLD - motion  
14 = RGBLQ -still  
15 = RGBLQ - motion  
16 = YCLQ - still  
- ____ x  
- ____ x  
- ____ x  
- ____ x  
17 = YCLQ - motion  
18 = VIDLQ - still  
19 = VIDLQ - motion  
P = Display Power  
S = Display Mute  
Z = Audio Mute  
R = RGB Mute  
=
=
=
=
Ø
Ø
Ø
= Power is Off; 1 = Power is On.  
= Display Mute is Off; 1 = Display Mute is On.  
= Audio Mute is Off; 1 = Audio Mute is On.  
= RGB Mute is Off; 1 = RGB Mute is On.  
Ø
QPC = Query Projector Comm  
QSC = Query Switcher  
M = System Max Channel  
.
.
= Projector Communications software version (example: 3.0)  
= Switcher Communications software version (example: 3.0)  
= Maximum channel number  
Error Codes Description  
¿E  
¿E  
¿E  
Ø
Ø
Ø
1¿  
4¿  
5¿  
Invalid Channel # (may be too high)  
Projector Comm error (projector may be off)  
Switcher is Off, can't execute command.  
Invalid command  
¿E1  
Ø
¿
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix A • RS-232 Programmer’s Guide  
Selecting Inputs Using Delimiters  
When selecting inputs to the projector, or display (Dsp) and/or the System 4xi switcher (Sw), audio and video can  
be switched together (follow) or separately (breakaway). An input is selected by its ASCII number, followed by a  
delimiter character. The delimiter ends the command and also determines which inputs (audio/video) are  
affected. System 4xi delimiters are listed and explained below. There are four delimiters that affect the  
System 4xi. They are:  
!
Affects Audio & Video (Aud/Vid) for the switcher (Sw) and affects only video for the projector (Dsp/Sw)  
@ Affects Audio and Video (Aud/Vid) for switcher only (Sw)  
$
Affects Audio only (Aud) for the switcher (Sw)  
&
Affects Video only (Vid) for both projector and switcher (Dsp/Sw)  
Examples:  
Aud/Vid  
Dsp/Sw  
ASCII Hex  
Response Result Description  
Select Input 2  
Select Input 16  
Aud,Vid  
Aud,Vid  
*Dsp,Sw  
*Dsp,Sw  
2!  
16!  
32,21  
31,36,21 ¿C16¿  
¿C2¿  
Channel 2 selected  
Channel16 selected  
Select Input 2  
Select Input 16  
Aud,Vid  
Aud,Vid  
*Sw  
*Sw  
2@  
16@  
32,4  
31,36,4  
Ø
¿C2¿  
¿C16¿  
Channel 2 selected  
Channel 16 selected  
Ø
Select Input 2  
Select Input 16  
Aud  
Aud  
*Sw  
*Sw  
2$  
16$  
32,24  
31,36,24 ¿A16¿  
¿A2¿  
Audio Ch 2 selected  
Audio Ch 16 selected  
Select Input 3  
Select Input 15  
Vid  
Vid  
Dsp,Sw  
Dsp,Sw  
3&  
15&  
33,26  
31,35,26 ¿V15¿  
¿V3¿  
Video Ch 3 selected  
Video Ch 15 selected  
* Audio switching affects only the System 4xi and not the display device.  
A-7  
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Appendix A • RS-232 Programmer’s Guide  
Advanced Instruction Set  
The Advanced Instruction Set uses commands that are longer than one  
character because they are more complex than the Simple Instructions  
described earlier. Advanced Instructions can be used in programs that may be  
stored and executed as needed.  
The system sees the RS-232 information in two general categories:  
If bit 7 = 0 (00h - 7Fh), this byte is an instruction.  
If bit 7=1 (80h - FFh), it is considered to be data, or information.  
However, only certain codes are used by the System 4xi.  
The components of an Advanced Instruction are:  
Escape Code (ESC) - to indicate the start of command  
Command Code - to tell the switcher what to do  
Subcom - Data (if required) – as many bytes as required for parameters to  
supplement the Command Code  
End Of Transmission (EOT) - to indicate the end of this command  
Switcher response to the command:  
Escape Code (ESC) - to indicate the start of a response  
Command Code - repeated to identify what the response is for  
Error Code (ERC) - to indicate no error, or what type of error  
Data (if required) - to give the host what was requested  
End Of Transmission (EOT) - to indicate the end of the response  
The command protocol is as follows:  
ESC, Command1, Subcommand1.1, Subcommand1.2, etc... EOT  
Advanced Instruction List  
The commands listed here are Advanced Instructions, however, they can be  
intermixed with commands from the Simple Instruction Set.  
Command Hex Description  
CMD4  
CMD5  
34h Select input channels (audio and video)  
35h Request system status  
CMD6  
CMD8  
CMD9  
CMD10  
CMD11  
CMD12  
36h Adjust settings (incremental)  
38h Set up System 4xi for slave configuration  
39h Configure an input channel  
3Ah Request input channel configuration  
3Bh Configure system  
3Ch Request system configuration  
(These are command characters, because they are in the range of 00h - 7Fh.)  
Error Codes (ERC)  
An ERC character is included with each response from the System 4xi.  
Here are the codes for the ERC character used by the System 4xi:  
80h = No error  
81h = Invalid channel  
82h = Command not recognized (illegal command)  
84h = Projector communication error  
85h = Switcher is Off, cannot execute the command  
8Ah = Invalid command  
8Dh = Invalid parameter value  
(These are data characters, because they are in the range of 80h - FFh.)  
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix A • RS-232 Programmer’s Guide  
Hex, Decimal and Binary Examples for Converting Range Values  
1. The Audio range is C1h to FFh for -31dB to +31dB and 31dec = 1Fh.  
To calculate the mid-range (zero dB) add 31d to the low number.  
C1h = 1100 0001bin = -31dec = low end of range  
1Fh = 0001 1111bin = 31dec = half of range  
E0h = 1110 0000bin = 00dec = mid-range (zero) value  
To set Audio to +10dB, add 10d (0Ah) to the mid-range (zero) value.  
E0h = 1110 0000bin = 00dB  
0Ah = 0000 1010bin = 10dec  
EAh = 1110 1010bin = +10dB  
2. The picture control range is 81h to FFh for -63 to +63 and 63dec = 3Fh.  
To calculate the mid-range (zero setting) add 31dec to the low number.  
81h = 1000 0001bin = -63dec = low end of range  
3Fh = 0011 1111bin = 63dec = half of range  
C0h = 1100 0000bin = 00dec = mid-range value (zero)  
To set a picture control to -10, add 53d (63d - 10d) to the low end.  
81h = 1000 0001bin = -63 = low end of range  
0Ah = 0011 0101bin = 53 = 63 - 10dec  
B6h = 1011 0110bin = -10 = new setting  
_______ This is one example of how it can be done. You could also subtract 10d (0Ah)  
from the mid-range value.  
Select Input - CMD4 (34h)  
CMD4 is for selecting video and audio input channels. The flexibility of this  
command is that it allows for selection of audio and video from separate  
channels (Breakaway mode) or from the same channel (Audio Follow).  
By using a “no change” parameter it can be used to select either audio or video,  
without changing the other. The command can also specify System 4xi only, or  
System 4xi and the display device. The range of channel numbers is 1 thru 22.  
Format: ESC, CMD4, Subcom4.1, Vid#, Aud#, EOT  
Where: ESC, CMD4 = 1Bh, 34h  
Subcom4.1  
80h = System 4xi affected  
81h = System 4xi and Projector affected  
80h = No changes  
Vid#  
81h = Video input #1  
82h = Video input #2  
83h = Video input #3  
etc.  
96h = Video input #22 (highest number)  
Aud# 80h = No changes  
81h = Audio input #1  
82h = Audio input #2  
83h = Audio input #3  
etc.  
96h = Audio input #22 (highest number)  
EOT = 04h = End of transmission  
Example: Select Switcher Video input #17 and Audio input #3  
1Bh, 34h, 80h, 91h, 83, 04h  
Note: Input numbers are in hexadecimal (91h = 1001 0001bin = 145d).  
Response: ESC, CMD4, ERC, EOT  
A-9  
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Appendix A • RS-232 Programmer’s Guide  
Request Status - CMD5 (35h)  
This command requests the current system status. Because the command is  
asking for something, there is no need for any other parameters. The channel-  
related information is only for the channel that is currently selected.  
Format: ESC, CMD5, EOT  
Example: 1Bh, 35h, 04h  
Response: ESC, CMD5, ERC, Vid#, Aud#, Vid Mode, Dsp Type, Dsp Pwr, Dsp  
Mute, Sys Pwr, Max Chnl, Dly Time, EOT  
To get Video Mode information for  
another channel, do a CMD4 to  
change input channels, and then  
do CMD5 again, or use CMD10.  
Where: ESC, CMD5 = 1Bh, 35h  
ERC  
(See list.)  
Vid#  
Aud#  
81h - 96h = currently selected video channel  
81h - 96h = currently selected audio channel  
Vid Mode on System 4xi: ______________________ LDxi LQxi  
80h = RGBS (composite sync) ___________x __ x  
81h = RGsB (sync on green) ____________x __ x  
82h = RGBLD (line-doubled RGB video) ___ - ___ -  
83h = YC (S-video) ____________________ - ___ -  
84h = VID (composite video)_____________ - ___ -  
85h = YCLD (line-doubled S-video) _______ - ___ -  
86h = VIDLD (line-doubled composite video) - ___ -  
87h = RGBLD - still ____________________x ___ -  
88h = RGBLD - motion _________________ x ___ -  
89h = YCLD - still _____________________ x ___ -  
8Ah = YCLD - motion __________________ x ___ -  
8Bh = VIDLD - still_____________________ x ___ -  
8Ch = VIDLD - motion __________________ x ___ -  
8Dh = RGBLQ - still ___________________ - __ x  
8Eh = RGBLQ - motion _________________ - __ x  
8Fh = YCLQ - still _____________________ - __ x  
90h = YCLQ - motion __________________ - __ x  
91h = VIDLQ - still _____________________ - __ x  
92h = VIDLQ - motion __________________ - __ x  
Dsp Type 80h = Ampro  
81h = RS-232 only (no display device)  
82h = Barco  
83h = Sony (or Mitsubishi XC monitor)  
84h = ECP (3100 & 4100)  
85h = Hughes/JVC  
86h = Marquee  
87h = NEC/Runco  
88h = Mitsubishi VS  
89h = Panasonic 1083U/1085U  
8Ah = Toshiba  
8Bh = Ampro LCD 150  
8Ch = Seleco  
8Dh = Digital Projection  
8Eh = Zenith Pro Series  
8Fh = Ampro Exe mode  
90h = NEC LCD (MT)  
92h = Panasonic 1083UN/1085UN  
93h = Sharp LCD  
94h = NEC XG  
96h = Mitsubishi LCD 100/200  
97h = Infocus (CLI RS-232)  
98h = Hughes/JVC G1000  
99h = Sharp LCD, RS-232  
9Eh = Electrohome 1024  
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Appendix A • RS-232 Programmer’s Guide  
Dsp Power 80h = Display device power is Off  
81h = Display device power is On  
Dsp Mute 80h = Mute Off (picture on)  
81h = Mute On (picture off)  
Sys Pwr  
80h = System 4xi power is Off  
81h = System 4xi power is On  
Max Chnl 80h - 96h (maximum number of inputs on system)  
Dly Time  
EOT  
80h - 8Ah (RGB time delay in half seconds)  
04h = End of transmission  
Response example:  
1Bh, 35h, 80h, 82h, 81h, 83h, 85h, 81h, 80h, 81h, 84h, 85h, 04h  
Translates to:  
ESC, CMD5, ERC, Video Channel #2, Audio Channel #1, S-Video mode,  
Hughes projector, Dsp Power is On, Dsp Mute is Off, System Power is On, Max  
channel # is 4, and the RGB time delay is 2.5 seconds.  
Change System Settings - CMD6 (36h)  
Change settings, and/or make adjustments to the system. This command allows  
incremental adjustments to be made to System 4xi settings, for the currently-  
selected input channel.  
Format: ESC, CMD6, Subcom6.1, Subcom6.2, EOT  
Where: ESC, CMD6 = 1Bh, 36h  
Subcom6.1 = Function to adjust  
80h = Horizontal Shift  
81h = Contrast  
82h = Color  
83h = Tint (Hue)  
84h = Audio level  
85h = RGB time delay (0.5 second steps)  
Subcom6.2 = How much to adjust  
80h = Adjust up 1 step  
81h = Adjust down 1 step  
Example: Adjust Audio level down = 1Bh, 36h, 84h, 81h, 04h  
Response: ESC, CMD6, ERC, EOT  
_______ This command is optimized to be used as an audio fader control for systems  
which require this feature.  
Set Slave Configuration - CMD8 (38h)  
Set up the System 4xi for slave configuration. The System 4xi can have another  
type of switcher connected to input channel 4 as a slave. In order to  
communicate with the slave, the System 4xi must know what type of switcher is  
being used.  
Format: ESC, CMD8, Slave, EOT  
Where: ESC, CMD8 = 1Bh, 38h  
Slave  
80h = No slave connected  
84h = SW4MX switcher connected  
86h = SW6MX switcher connected  
88h = System 8 Plus switcher connected  
8Ah = System 10 Plus switcher connected  
8Fh = Multiple System 8/10 Plus switchers  
Response: ESC, CMD8, ERC, EOT  
A-11  
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Appendix A • RS-232 Programmer’s Guide  
Configure an Input Channel - CMD9 (39h)  
Send a preset configuration to the System 4xi to set up an input channel.  
Format:  
ESC, CMD9, Inp#, Vid Mode, Aud Lvl, H Shift, Cont, Color, Tint, Chroma Det,  
Luma Det, reserved, EOT  
Where: ESC, CMD9 = 1Bh, 39h  
Inp#  
80h = current channel  
81h - 96h = Input channel 1-22  
Vid Mode on System 4xi :________________________LDxi LQxi  
FFh = No change ____________________________ x ___ x  
80h = RGBS (composite sync) __________________ x ___ x  
81h = RGsB (sync on green) ___________________ x ___ x  
82h = RGBLD (line-doubled RGB video) __________ - ___ -  
83h = YC (S-video) ___________________________ - ___ -  
84h = VID (composite video) ___________________ - ___ -  
85h = YCLD (line-doubled S-video) ______________ - ___ -  
86h = VIDLD (line-doubled composite video) _______ - ___ -  
87h = RGBLD - still ___________________________ x ___ -  
88h = RGBLD - motion ________________________ x ___ -  
89h = YCLD - still ____________________________ x ___ -  
8Ah = YCLD - motion _________________________ x ___ -  
8Bh = VIDLD - still ___________________________ x ___ -  
8Ch = VIDLD - motion_________________________ x ___ -  
8Dh = RGBLQ - still __________________________ - ___ x  
8Eh = RGBLQ - motion ________________________ - ___ x  
8Fh = YCLQ - still ____________________________ - ___ x  
90h = YCLQ - motion _________________________ - ___ x  
91h = VIDLQ - still____________________________ - ___ x  
92h = VIDLQ - motion _________________________ - ___ x  
Aud Lvl2  
H Shift2  
Cont2  
C1h - FFh = Audio level (-31dB to +31dB)  
81h - FFh = Horizontal shift (-63 to +63 in steps of 2)  
81h - FFh = Contrast level (-63 to +63 in steps of 2)  
81h - FFh = Color level (-63 to +63 in steps of 2)  
81h - FFh = Tint level (-63 to +63 in steps of 2)  
Color2  
Tint2  
Chroma Det4 80h = No change  
81h = On  
82h = Off  
80h = No change  
Luma Det5  
Notes:  
81h-84h = Decoded-modes Sharpness levels 1 - 4  
80h = reserved  
04h = End Of Transmission  
2. For Audio Level and  
Picture Control settings,  
80h = no change.  
See page A-8 for examples for  
calculating these values.  
reserved  
EOT  
4. Only available in System 4xi units  
with the following firmware revision  
levels, or higher:  
5. Only available on System 4LDxi  
and 4LQxi  
Extron • System 4xi Switcher Series • User’s Manual  
A-12  
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Appendix A • RS-232 Programmer’s Guide  
Request Input Channel Configuration - CMD10 (3Ah)4  
Request the configuration for a specific input channel in the System 4xi.  
Format:  
ESC, CMD10, Inp#, EOT  
Response: ESC, CMD10, ERC, Vid Mode, Aud Lvl, H Shift, Cont, Color, Tint,  
Chroma Det, Luma Det, reserved, EOT  
Where: ESC, CMD10 = 1Bh, 3Ah  
Inp#  
80h = Request current channel  
81h - 96h = Input channel requested (1-22)  
Vid Mode on System 4xi: ____________________ LDxi _ LQxi  
80h = RGBS (composite sync) ______________ x ___ x  
81h = RGsB (sync on green) ________________ x ___ x  
82h = RGBLD (line-doubled RGB video) ________- ___ -  
83h = YC (S-video) ________________________- ___ -  
84h = VID (composite video) _________________- ___ -  
85h = YCLD (line-doubled S-video) ____________- ___ -  
86h = VIDLD (line-doubled composite video) ____- ___ -  
87h = RGBLD - still _______________________ x ___ -  
88h = RGBLD - motion ____________________ x ___ -  
89h = YCLD - still_________________________ x ___ -  
8Ah = YCLD - motion______________________ x ___ -  
8Bh = VIDLD - still ________________________ x ___ -  
8Ch = VIDLD - motion _____________________ x ___ -  
8Dh = RGBLQ - still ________________________- ___ x  
8Eh = RGBLQ - motion _____________________- ___ x  
8Fh = YCLQ - still _________________________- ___ x  
90h = YCLQ - motion _______________________- ___ x  
91h = VIDLQ - still _________________________- ___ x  
92h = VIDLQ - motion ______________________- ___ x  
Aud Lvl  
H Shift  
Cont  
Color  
Tint  
C1h - FFh = Audio level (-31dB to +31dB)  
81h - FFh = Horizontal shift (-63 to +63 in steps of 2)  
81h - FFh = Contrast level (-63 to +63 in steps of 2)  
81h - FFh = Color level (-63 to +63 in steps of 2)  
81h - FFh = Tint level (-63 to +63 in steps of 2)  
81h = On  
Chroma Det  
82h = Off  
83h = not supported  
81h-84h = Decoded-modes Sharpness levels 1 - 4  
80h = not supported  
Luma Det6  
reserved  
EOT  
80h = reserved  
Notes:  
04h = End Of Transmission  
4. This command is only available  
in System 4xi units with the  
following firmware revision levels, or  
higher:  
Example:  
Request Configuration for Input Channel #4:  
1Bh, 3Ah, 84h, 04h  
System 4LDxi – revision 3.0  
System 4LQxi – revision 4.0  
Response example:  
Input #4 is configured for line-doubled S-video (motion), Audio at 0dB and all  
picture controls (H Shift, Contrast, Color and Tint) at mid-range (zero), Chroma  
Detail (not applicable), Luma Detail at level 1.  
6. Only available on System 4LDxi  
and 4LQxi.  
This would be:  
1Bh, 3Ah, 80h, 8Ah, E0h, C0h, C0h, C0h, C0h, 82h, 81h, 80h 04h  
A-13  
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix A • RS-232 Programmer’s Guide  
Configure System - CMD11 (3Bh)4  
Configure the System 4xi  
Format:  
ESC, CMD11, LD Sync, RGB Delay, Aud Mute, reserved, LDxi Misc, reserved,  
EOT  
Where: ESC, CMD11 = 1Bh, 3Bh  
LD Sync  
80h = no change  
81h = Composite Sync with no serrations  
82h = Sync negative (horizontal & vertical)  
83h = Composite Sync with serrations  
84h = 6Sync positive (horizontal & vertical)  
85h = 6Sync positive horizontal, negative vertical  
86h = 6Sync negative horizontal, positive vertical  
FFh = no change  
80h - 8Ah = RGB Delay in 0.5 second steps  
(values range from 0 to 5 seconds)  
80h = Turn Audio Mute Off  
RGB Delay  
Audio Mute  
LDxi Misc6  
81h = Turn Audio Mute On  
FFh = No change  
80h - AAh (see table)  
Bit #s 76  
54  
32  
10  
Function:  
No changes  
–
10  
Demo Freeze VGA  
00  
00  
01  
10  
xx  
xx  
xx  
xx  
xx  
xx  
00  
xx  
xx  
xx  
00  
01  
10  
xx  
xx  
xx  
00  
xx  
xx  
xx  
xx  
xx  
xx  
00  
01  
10  
80h  
8xh  
9xh  
Axh  
Demo, no change  
Demo mode On  
Demo mode Off  
Freeze no change  
Freeze On  
Freeze Off  
VGA no change  
Not VGA resolution  
10  
10  
10  
10  
10  
10  
10  
10  
Force VGA resolution 10  
reserved 80h = reserved  
04h = End Of transmission  
EOT  
Example:  
Configure a System 4xi for the following:  
Sync = No change, RGB Delay = No change, Audio Mute = On, Demo Mode =  
No change, Freeze = No change and Force VGA Resolution = No change.  
That is: 1Bh, 3Bh, 80h, FFh, 81h, 80h, 80h, 80h, 04h  
Normal response:  
ESC, CMD11, ERC, EOT  
1Bh, 3Bh, 80h, 04h  
Notes:  
4. This command is only available  
in System 4xi units with the  
following firmware revision levels, or  
higher:  
System 4LDxi – revision 3.0  
System 4LQxi – revision 4.0  
6. Only available on System 4LDxi  
and 4LQxi  
Extron • System 4xi Switcher Series • User’s Manual  
A-14  
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Appendix A • RS-232 Programmer’s Guide  
Request System Configuration - CMD12 (3Ch)4  
Request the System 4xi Configuration.  
Format:  
ESC, CMD12, EOT  
Response:  
ESC, CMD12, ERC, LD Sync, RGB Delay, Aud Mute, Status 1, LDxi Misc,  
reserved, EOT  
Where: ESC, CMD12 = 1Bh, 3Ch  
LD Sync  
81h = Composite Sync with no serration pulses  
82h = Sync negative (horizontal & vertical)  
83h = Composite Sync with serration pulses  
84h = 6Sync positive (horizontal & vertical)  
85h = 6Sync positive horizontal, negative vertical  
86h = 6Sync negative horizontal, positive vertical  
80h - 8Ah = RGB Delay in 0.5 second steps  
(values range from 0 to 5 seconds)  
RGB Delay  
Aud Mute  
Status 1  
80h = Audio is not Muted  
81h = Audio is Muted  
80h - 83h (See table below.)  
Bit #  
7·6·5·4·3·2  
1
0
Function:  
Sys Power  
Model  
Power is Off  
Power is On  
Sys 4C  
Sys 4LD, 4LDex, 4LQex 1·0·0·0·0·1  
Sys 4LDxi, 4LQxi 1·0·0·0·0·1  
1·0·0·0·0·0  
1·0·0·0·0·0  
1·0·0·0·0·0  
0
1
x
x
x
x
x
1
0
0
LDxi Misc6  
80h - AAh (See table.)  
Bit #s 76  
54  
32  
10  
Function:  
–
Demo Freeze VGA  
Demo mode On  
Demo mode Off  
Freeze On  
Freeze Off  
Not VGA resolution  
10  
10  
10  
10  
10  
01  
10  
xx  
xx  
xx  
xx  
xx  
xx  
01  
10  
xx  
xx  
xx  
xx  
xx  
xx  
01  
10  
Force VGA resolution 10  
reserved 80h = reserved  
EOT 04h = End Of transmission  
Example: (Request System Configuration)  
1Bh, 3Ch, 04h  
Response:  
4. This command is only available in  
System 4xi units with the following  
firmware revision levels, or higher:  
System 4LDxi – revision 3.0  
1Bh, 3Ch, 80h, 83h, 80h, 81h, 82h, A9h, 80h, 04h  
Says: LD Sync = Composite with serration pulses, RGB Delay = none, Audio is  
Muted, Model = System 4LDxi , 4LQxi , Switcher Power = On, Demo Mode = Off,  
Freeze = Off and VGA Resolution is not forced.  
System 4LQxi – revision 4.0  
6. Only available on System 4LDxi  
and System 4LQxi  
A-15  
Extron • System 4xi Switcher Series • User’s Manual  
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System 4xi Switcher Series  
User’s Manual  
Appendix B  
B
Reference Information  
System 4xi Related Parts List  
Changing the Main Fuse  
Upgrading the Software  
Backup Battery  
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Appendix B • Reference  
System 4xi Related Parts List  
As illustrated below, the System 4xi needs two additional parts to control a  
projector.  
1. A Projector Communications Extension Cable (CC Cable)  
2. A Communications Adapter (Comm Adapter)  
The Communications Extension Cable is the same for all applications, other than  
the choice of length.  
The Projector Comm Adapter connects between the Communications Extension  
Cable and the projector. It is designed specifically for the projector being used.  
The connectors used by the Comm Adapter depend on what is required by the  
projector.  
Figure B-1. System 4xi -to-Projector Cables and Adapters  
B-1  
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix B • Reference  
Part #  
Projector Communication Extension Cables  
Connectors  
CC 50' (50 ft.)  
CC 50' Type II (50 ft.)  
CC 100' (100 ft.)  
CC 100' Type II (100 ft.)  
CC 200' (200 ft.)  
CC 200' Type II (200 ft.)  
15/HD/M to 9/D/F  
15/D/M to 15/D/F  
15/HD/M to 9/D/F  
15/D/M to 15/D/F  
15/HD/M to 9/D/F  
15/D/M to 15/D/F  
26-305-01  
26-323-01  
26-305-02  
26-323-02  
26-305-03  
26-323-03  
S-Video Adapter Cables  
S-VHS 6' (male-to-male, 6 feet)  
S-VHS M20' (male-to-male, 20 feet)  
S-VHS BNC (male-to-male, S-video to BNC, 6")  
26-316-02  
26-316-01  
26-353-01  
Connectors  
Captive Screw Phoenix Connectors (6-pin, Audio)  
10-163-01  
Documentation  
System 4xi User’s Manual  
System 4xi Label  
68-162-01  
33-151-01  
Changing the Main Fuse  
_________ The Main Fuse is located on the Power Supply board. To replace the fuse,  
remove the AC Power cord and remove the top cover of the System 4xi  
(procedure on page 2-3).  
The picture below shows the left-rear corner of the System 4xi chassis. Locate  
the fuse on the Power Supply board.  
Remove the fuse from its holder and test it with an ohm meter or other testing  
device. Replace a bad fuse with a 2 amp, 250v fuse.  
If the fuse is not bad, and the unit has no indication of having power, call Extron  
for instructions on service.  
Figure B-2. Locate the Fuse on the Power Supply.  
Extron • System 4xi Switcher Series • User’s Manual  
B-2  
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Appendix B • Reference  
Les câbles fournis à l’utillsasteur  
Pour vos installations spécifiques, il vous est possible de choisir vos propres  
Câbles de Communication pour Projecteur ( CC xx). Utilisez la figure ci-dessous  
pour réaliser le branchement des Pin. La longueur des câbles peut atteindre 61  
mètres (200 feet).  
15-pin HD Female  
9-pin  
D-Sub  
61 mètres (max)  
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
Female  
Female  
Commutateur du  
Système 4LD Extron  
Adaptateur de  
communications  
Extron  
15  
Figure B-3.  
Enlever le couvercle du Système 4xi  
Si la configuration du Système 4xi doit être modifiée pour un différent projecteur,  
il est nécessaire d’accéder à la carte du Contrôleur Principal. De même, si le  
fusible de l’alimentation secteur doit être changé, on devra ouvrir l’appareil.  
Dans les deux cas, vous devez dans un premier temps enlever le couvercle  
supérieur du Système 4xi.  
1/ Débrancher le cordon  
d’alimentation.  
2/ Si le Système 4xi est  
monté en rack,  
détachez-le.  
3/ Ôter les câbles d’entrée  
et de sortie.  
4/ Mettre le Système 4xi sur  
une surface propre et  
enlever les 7 vis comme  
représenté sur la figure.  
5/ Procéder à l’opération  
(configuration du système  
ou changement des  
fusibles).  
_____ NE PAS toucher les boutons  
ou les composants électroniques  
autres que ceux spécifiés. Cela pourrait  
Configuration  
Label Inside  
sérieusement affecter l’opération du système.  
Figure B-4. Enlever le couvercle du Système 4xi  
6/ Quand le travail à l’intérieur du système 4xi est terminé, effecturer les opérations  
dans l’ordre inverse.  
B-3  
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix B • Reference  
Câbler un Système 4xi sur un rack  
Quand vous fixez les câbles d’une unité à l’autre, veillez  
à ce que ces câbles ne soient pas “supportés” par le  
système 4xi. Utilisez des attaches de manière à ce que  
les câbles soient fixés au dessus du panneau de  
branchement arrière. Tous les câbles non attachés  
peuvent provoquer des dommages aux utilisateurs, à  
l’équipement, et également aux câbles eux-mêmes.  
attaches  
L’illustration montre la vue arrière d’un système sur rack.  
Les câbles sur notre exemple sont fixés sur support aux  
dessus des branchements de l’équipement. Cela  
permet une vue dégagée des panneaux arrières et évite  
que les câbles ne tombent sur l’équipement.  
cordons  
d’alimentation  
câbles  
signaux  
Figure B-5. Les cordons d’alimentation peuvont être mis sur la droite et les câbles signaux sur la gauche.  
_________ Assurez-vous qu’aucun poids sur l’arrière du Système 4xi ne dépasse 3.73 Kg.  
(10 lbs).  
_________ Les trous au-dessus et au-dessous du boîtier du Système 4xi sont destinés au  
refroidissement. NE PAS COUVRIR ces trous car cela pourrait endommager  
des composants vitaux.  
_________ La température ambiante maximale ne doit pas dépasser 40°C.  
_________ Le rack et tout équipement monté sur ce support doivent être branchés selon les  
normes électriques en vigueur.  
_______ Si possible, essayer de séparer les cordons de secteur et les câbles signaux.  
Attache  
Figure B-6. Attaches évite que les câbles ne tombent sur l’équipement.  
Extron • System 4xi Switcher Series • User’s Manual  
B-4  
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Appendix B • Reference  
Entfernung der System 4xi Abdeckung  
Die Abdeckung des System 4xi muß entfernt werden wenn für eine andere VDU  
eingerichtet, und dadurch Zugang zum Hauptcontroller benötigt wird, oder wenn  
die Hauptsicherung ausgetauscht wird.  
1. Ziehen Sie den Netzstecker.  
2. Falls eingebaut, entfernen Sie System 4xi aus dem Gestell.  
3. Eingangs- und Ausgangskabel entfernen.  
4. Stellen Sie System 4xi auf einen sauberen Untergrund und entfernen Sie die  
acht (8) Schrauben, siehe Abbildung.  
5. Arbeiten erledigen.  
(Entweder Projektor Konfigurieren oder Sicherung ersetzen.)  
_____ Berühren Sie keine Schalter oder Bauteile außer die, die angegeben wurden. Es  
könnte sonst ernsthafte Auswirkungen auf das System haben.  
6. Wiederholen Sie die Schritte 1-5 in umgekehrter Reihenfolge um die Abdeckung  
wieder zu befestigen.  
Configuration  
Label Inside  
Figure B-7. Entfernung der System 4xi Abdeckung  
B-5  
Extron • System 4xi Switcher Series • User’s Manual  
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Appendix B • Reference  
Verkabelung vom System 4xi innerhalb eines Gestells  
Wenn Sie Kabel innerhalb eines Gestells von einem  
Gerät zum anderen verlegen, sollen diese Kabel nicht  
vom System 4xi gehalten werden. (Siche Figure B-6.)  
Verwenden Sie Kabelbinder oder ähnliches um die  
Kabel an einem Punkt zu befestigen der höher liegt als  
die Anschlüße an der Rückseite des Gerätes.  
Kabelbinder  
Kabel die lose herabhängen stellen eine Gefahrenquelle  
für Mensch und Gerät dar.  
Die Abbildung zeigt die Rückansicht eines  
Systemgestells.  
Das Beispiel zeigt, daß die Kabel an einem Punkt  
befestigt sind, der höher liegt als die Anschlüße an der  
Rückseite des Gerätes.  
Dies ermöglicht eine freie Übersicht der Rückseite und  
verhindert, daß das Gewicht der Kabel das Gerät  
belastet.  
NetzKabel  
SignalKabel  
Figure B-8. Netzkabel an der rechten Seite und Signalkabel an der linken Seite.  
_________ Vermeiden Sie eine Belastung der System 4xi Rückseite von mehr als 3,73 kg.  
_________ Die Löcher an der Ober- und Unterseite des System 4xi dienen der Kühlung.  
Bedecken Sie diese Löcher nicht da eine Überhitzung der wichtigen Bauteile  
erfolgen kann.  
_________ Die maximale Umgebungstemperatur beim Betrieb liegt bei 40 Grad °C (104 °F).  
_________ Das Gestell, und die sich darin befindlichen Geräte müssen den landesüblichen  
Bestimmungen entsprechend geerdet werden.  
_______ Wenn möglich, verlegen Sie die Netz- und Signalkabel getrennt.  
Kabelbinder  
Gestell  
Figure B-9. Kabelbinder verhinderendaß das Gewicht der Kabel das Gerät belastet.  
Extron • System 4xi Switcher Series • User’s Manual B-6  
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Appendix B • Reference  
Upgrading Main Controller Board Software and Battery Replacement  
________ This procedure requires removing both AC power as well as the battery backup.  
If your System 4xi software is version 1.3 or greater, it may not have a backup  
battery. For earlier versions with a battery backup, all programs stored in the  
System 4xi will be lost.  
1. With the System 4xi cover removed and AC power disconnected, unplug the red/  
black backup battery cable at the Main Controller board. If there is no backup  
battery, please disregard this step.  
2. Be sure you are electrically grounded! Use the PLCC IC puller to remove the  
old Software chip. Squeeze the tool to align the hooks with the slots provided in  
opposite corners of chip socket U8. Insert the hooks, squeeze gently and pull the  
IC straight out of the socket. Set the chip aside.  
3. Take the new software chip and note the location of the angled corner. Orient  
this to match the angled corner of the socket U8 and carefully press it into place.  
4. For systems with a backup battery, please reconnect the red/black cable to the  
Main Controller board.  
l
l
Figure B-10. System 4xi Main Controller Board  
_______ The new software version does not require a backup battery.  
5. Reinstall the cover.  
6. Connect the AC power cord and apply power to the System 4xi.  
________ System 4xi Lithium Backup Battery • Danger of explosion if battery is  
incorrectly replaced. Replace only with the same or equivalent type  
recommended by the manufacturer. Dispose of used batteries according to  
the manufacturer’s instructions.  
B-7  
Extron • System 4xi Switcher Series • User’s Manual  
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Extron's Warranty  
Extron Electronics warrants the product against defects in materials  
for a period of two years and defect in workmanship for a period of  
two years from the date of purchase. In the event of malfunction  
during the warranty period attributable directly to faulty  
workmanship and/or materials, Extron Electronics will, at its option,  
repair or replace said products or components, to whatever extent it  
shall deem necessary to restore said product to proper operating  
condition, provided that it is returned within the warranty period,  
with proof of purchase and description of malfunction to:  
Extron Electronics  
1230 South Lewis Street  
Anaheim, CA 92805, U.S.A.  
This Limited Warranty does not apply if the fault has been caused  
by misuse, improper handling care, electrical or mechanical abuse,  
abnormal operating conditions or non-Extron authorized  
modification to the product.  
______ If it has been determined that the product is defective, please call  
Extron and ask for an Applications Engineer at (714) 491-1500 to  
receive an RA# (Return Authorization number). This will begin the  
repair process as quickly as possible.  
Units must be returned insured, with shipping charges prepaid.  
If not insured, you assume the risk of loss or damage during  
shipment. Returned units must include the serial number and a  
description of the problem, as well as the name of the person to  
contact in case there are any questions.  
Extron Electronics makes no further warranties either expressed or  
implied with respect to the product and its quality, performance,  
merchantability, or fitness for any particular use. In no event will  
Extron Electronics be liable for direct, indirect, or consequential  
damages resulting from any defect in this product even if Extron  
Electronics has been advised of such damage.  
Please note that laws vary from state to state, and that some  
provisions of this warranty may not apply to you.  
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EXTRON ELECTRONICS / RGB SYSTEMS, INC.  
1230 South Lewis Street, Anaheim, CA 92805  
(800) 633-9876 (714) 491-1500 FAX (714) 491-1517  
U.S.A.  
EXTRON ELECTRONICS, EUROPE  
Beeldschermweg 6C, 3821 AH Amersfoort  
+31-33-453-4040 FAX +31-33-453-4050  
The Netherlands  
EXTRON ELECTRONICS, ASIA  
41B Kreta Ayer Road, Singapore 089003  
+65-226-0015 FAX +65-226-0019  
Singapore  
SM  
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