Gefen Switch GTB MHDMI13 441 User Manual

Gefen  
4x1 Switcher  
for HDMI®  
GTB-MHDMI1.3-441  
GTB-MHDMI1.3-441-BLK  
User Manual  
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CONTENTS  
1
2
3
4
5
6
6
6
7
8
9
Introduction  
Operation Notes  
Features  
Panel Layout  
Panel Descriptions  
Connecting & Operating The GefenToolBox 4x1 Switcher for HDMI  
Connecting the GefenToolBox 4x1 Switcher for HDMI  
How to Operate the GefenToolBox 4x1 Switcher for HDMI  
Automatic Switching  
IR Remote Control Unit Description  
IR Remote Control Unit Installation  
10 IR Remote Control Unit Conguration  
11 IR Remote Control Unit Operation  
12 IR Extender Installation  
13 RS-232 Serial Control  
13  
14  
Settings  
Commands  
16 Changing the IR Channel  
17 Wall Mounting Instructions  
18 Specications  
19 Warranty  
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INTRODUCTION  
Congratulations on your purchase of the GefenToolBox 4x1 Switcher for HDMI.  
Your complete satisfaction is very important to us.  
About Gefen  
We specialize in total integration for your home theater, while also focusing on  
going above and beyond customer expectations to ensure you get the most from  
your hardware. We invite you to explore our distinct product line. Please visit  
or call us between the hours of 8:00 am and 5:00 pm Monday-Friday, Pacic  
Standard Time for assistance with your A/V needs. We’ll be happy to assist you.  
Why GefenToolBox?  
The GefenToolBox line offers portable and easy-to-install solutions for common  
A/V system integration setups using HDMI connectivity. GefenToolBox products  
are wall-mountable and small in size. GefenToolBox products are easily  
transported in the eld and are ready for immediate and simple installations in  
working environments. These products come nished in a glossy color to blend in  
with either a white or black color scheme.  
The GefenToolBox 4x1 Switcher for HDMI  
The GefenToolBox 4x1 Switcher for HDMI routes high denition video at  
resolutions up to 1080p@60Hz with multichannel digital audio from any four  
Hi-Def sources to one displays. The GefenToolBox 4x1 Switcher eliminates the  
need to disconnect and reconnect HDMI devices. It works with any HDMI source  
that connects to an HDMI display, supporting advanced digital audio formats  
such as Dolby TrueHD and DTS-HD Master Audio. Each source is accessible at  
all times by selecting it with the included remote, the RS-232 port, or front panel  
button.  
How It Works  
Connect the Hi-Def sources to the GefenToolBox 4x1 Switcher’s inputs using  
the supplied HDMI cables. Connect the HDMI output to the display using HDMI  
cables. 3D content can be displayed when connecting a 3DTV and 3D source.  
Any of the four A/V sources may now be selected by using the front panel but-  
tons, RS-232, or the included IR remote control.  
1
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OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING OR  
OPERATING THE GEFENTOOLBOX 4X1 SWITCHER FOR HDMI  
The GefenToolBox 4x1 Switcher for HDMI has an Automatic Switching  
feature: Each time a connected device is powered ON, GefenToolBox 4x1  
Switcher for HDMI will switch to that input. Once the connected device is  
powered down, the product will switch to the last active input. Switching can  
always be managed through IR remote control, RS-232, and the front panel  
buttons. See page 7 for details.  
2
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FEATURES  
HDMI 1.3 Features  
225 MHz (up to 12 bit YUV 444 @ 1080p)  
Deep Color  
Dolby TrueHD and DTS-HD Master Audio  
Lip Sync  
CEC Pass-Through  
General Features  
Switch between four (4) HDMI 1.3 sources without signal loss.  
Maintains beautiful, sharp HDTV resolutions up to 1080p@60 Hz and  
1920x1200@60Hz.  
Supports 3DTV pass-through  
Supports digital audio formats including LPCM 7.1, Dolby Digital Plus, Dolby  
TrueHD, and DTS-HD Master Audio.  
Supports the use of DVI sources and DVI displays with an HDMI-to-DVI  
converter cable or adapter.  
Input and output cables up to 15 feet in length can be used when using 8-bit  
or 12-bit color. Extension distance is dependent upon the quality of the  
cables being used.  
This product is HDMI-compliant and HDCP-compliant.  
Package Includes  
(1) GefenToolBox 4x1 Switcher for HDMI  
(4) 6 ft HDMI cable (M-M)  
(1) 5V DC Locking Power Supply  
(1) IR Remote Control Unit  
(1) User Manual  
3
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PANEL LAYOUT  
1
2
3
4
8
5
6
7
4
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PANEL DESCRIPTIONS  
1
2
3
HDMI Input Ports 1-4  
Connect HDMI-compliant source device(s) to any of these input ports.  
HDMI Output Port  
Connect an HDMI-compliant display device to this output port.  
IR Window  
Receives IR commands from the included IR remote (EXT-RMT-4IR), shown on  
page 8.  
4
5
Source Selector and Indicator LEDs  
The black button labeled “Input” selects the input source (1-4) to be routed to the  
display connected to the HDMI Output Port.  
RS-232C Interface for Remote Control via Serial Communications  
The GefenToolBox 4x1 Switcher for HDMI may be switched remotely using  
serial communications with any ofce computer or a control automation device.  
See page 13 for details.  
6
3.5mm mini-Stereo jack for connecting Optional IR Extender  
An optional IR Extender (sold separately) allows relocation of the IR sensor  
(eye) up to 6 feet away from the GefenToolBox 4x1 Switcher, enabling  
streamlined installations whereby the Switcher may be hidden away behind  
furniture / behind the scenes. The IR Remote need only point at the extended IR  
sensor to control the Switcher. Please see page 12 for a diagram.  
7
8
5V DC Power Receptacle  
Connect the included 5V DC power supply here and at a free wall outlet. Only  
use the power supply supplied. Screw the locking power tip into the socket until  
it ts snugly without overtightening.  
5V Power Indicator LED (Red)  
This LED will glow red once the included 5V DC power supply has been  
properly connected to the unit and a power source.  
5
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CONNECTING AND OPERATING  
THE GEFENTOOLBOX 4X1 SWITCHER FOR HDMI  
How to Connect the GefenToolBox 4x1 Switcher for HDMI  
1. Use HDMI cables (provided) to connect the source device(s) to the HDMI  
input port(s) of the GefenToolBox 4x1 Switcher for HDMI.  
2. Use additional user-supplied HDMI cables to connect an HDMI-compliant  
display to the output port on the GefenToolBox 4x1 Switcher for HDMI.  
3. Connect the included 5V DC power supply to the power receptacle on the  
Switcher.  
4. Connect the other end of the power supply to an available power outlet.  
How to Operate the GefenToolBox 4x1 Switcher for HDMI  
The top panel of the GefenToolBox 4x1 Switcher for HDMI contains a set of LED  
indicators, displaying which input (source) is being routed to the output (display).  
This allows for easy management and viewing of the input and output routing  
state.  
There is a single row of LED indicators on the front panel. To the left of the LED  
indicator is a push button labeled “Input”. The numbers along the top of each  
LED represents the currently selected Input (source): 1, 2, 3, or 4.  
Example 1: Route Input (source) 2 to the Output  
1. Ensure that an HDMI cable is connected from the source to HDMI In 2  
and an HDMI cable is connected from the display to the Output port on the  
Switcher.  
2. Press the Input Select button until the LED under column 2 glows blue. If  
the LED does not immediately appear under column 2, continue depressing  
the Input Select button until the LED under column 2 is enabled (Fig 1.1).  
Fig 1.1  
3. Once the LED under column 2 is enabled, a picture will be displayed on the  
display connected to the HDMI Output on the Switcher.  
6
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CONNECTING AND OPERATING  
THE GEFENTOOLBOX 4X1 SWITCHER FOR HDMI  
Example 2: Routing Input (source) 3 to the Output (display).  
1. Using Fig 1.1 (page 6) as a starting point.  
2. Press the Input Select button once.  
Fig 1.2  
The row of LED indicators will now appear as in Fig 1.2. LED #2 will turn off and  
LED #3 will become enabled, indicating that Input 3 is being routed to the Output  
(display).  
Automatic Switching  
The GefenToolBox 4x1 Switcher for HDMI features Automatic Switching. When  
a connected source is powered ON, the GefenToolBox 4x1 Switcher for HDMI  
will automatically switch to that input. If the same device is powered-down, the  
GefenToolBox 4x1 Switcher for HDMI will revert to the (original) active source.  
The Switcher will always change to the last source device that was powered ON.  
Automatic Switching can be enabled or disabled through RS-232. See page 14  
for the command syntax.  
NOTE: The IR Remote Control unit, RS-232, and the front-panel buttons will  
always allow manual switching of source devices, even if Automatic Switching is  
enabled.  
7
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IR REMOTE CONTROL UNIT DESCRIPTION  
1
2
1
2
LED Button Press Indicator  
This LED will activate momentarily upon each button press. This visual  
indicator is to inform the user that a command has been sent by the IR  
remote control.  
Display and Source Selection Buttons  
These buttons will be used to send display and source selections to the  
GefenToolBox 4x1 Switcher for HDMI.  
Routing Sources to Displays  
Issuing a routing command is a simple process. There are a total of 4 buttons on  
the RMT-4IR. The individual buttons represent the Inputs that are available for  
the Output.  
For example, to route the source connected to HDMI In 2 to the display, press  
button 2 on the RMT-4IR.  
8
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IR REMOTE CONTROL UNIT INSTALLATION  
Installing the IR Remote Control Battery  
1. Remove the battery cover on the back of the IR Remote Control unit.  
2. Insert the included battery into the open battery slot. The positive (+) side of  
the battery should be facing up.  
3. Replace the battery cover.  
The Remote Control unit ships with two batteries. One battery is required for  
operation and the other battery is a spare.  
Battery Slot  
9
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IR REMOTE CONTROL UNIT CONFIGURATION  
Resolving IR Code Conicts  
In the event that IR commands from other remote controls conict with the  
supplied IR remote control unit, changing the remote channel will alleviate this  
issue. The IR remote control unit has a bank of DIP switches for setting the  
remote IR channel.  
The DIP Switch bank on the IR remote control unit is located underneath the  
battery cover.  
DIP Switches  
It is important that the IR channel selected on the remote, match the IR channel  
on the GefenToolBox 4x1 Switcher for HDMI for proper operation. For example,  
if you set both DIP switches on the remote to the down position (toward the “1”  
and “2”), IR channel 0, you must set the GefenToolBox 4x1 Switcher for HDMI to  
use IR channel 0.  
Remote Channel 0:  
Default  
Remote Channel 1:  
1
2
1
2
Remote Channel 2:  
Remote Channel 3:  
1
2
1
2
See page 16 for information on how to change the IR channel on the  
GefenToolBox 4x1 Switcher for HDMI.  
10  
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IR REMOTE CONTROL UNIT OPERATION  
The RMT-4IR remote control will allow selecting the source to display on the  
output. Each button on the remote control corresponds to one of the of four  
source inputs. Please use the information below when selecting the desired  
source:  
Table of IR Remote Commands  
for the GefenToolBox 4x1 Switcher for HDMI  
RMT-4IR  
Source  
1
2
3
4
1
2
3
4
RMT-4IR button  
Source  
3
3
Example: In the above example, if button 3 on the RMT-4IR remote control is  
pressed, the source connected HDMI In 3 will be routed to the Display device.  
11  
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IR EXTENDER INSTALLATION  
Using the IR Extender  
An optional IR Extender (Gefen Part No. EXT-RMT-EXTIR) can be used to  
extend the IR capabilities of the GefenToolBox 4x1 Switcher for HDMI. One  
such application allows the Switcher to be hidden within or behind a cabinet (see  
illustration below).  
Simply connect the IR extender to the IR extender port (see page 4).  
Remote  
IR Extender  
Set-top Box  
Gefen Toolbox Unit  
4x1 Switcher  
Back of  
Cabinet  
12  
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RS-232 SERIAL CONTROL  
5 4 3 2 1  
9 8 7 6  
1 2 3 4 5  
6 7 8 9  
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface  
This feature allows for easy integration into automated systems capable of  
transmitting RS-232 commands. Please use the settings listed below to  
congure the RS-232 port of the user’s system.  
Transmitting the appropriate numeric ASCII character will simulate key presses  
on the RMT-4IR remote control.  
Binary Table  
ASCII  
RMT-4IR  
Button  
Binary  
1
2
3
4
1
2
3
4
0011 0001  
0011 0010  
0011 0011  
0011 0100  
RS-232 Settings  
Bits per second ................................................................................................. 19200  
Data bits .................................................................................................................... 8  
Parity .................................................................................................................. None  
Stop bits .....................................................................................................................1  
Flow Control ....................................................................................................... None  
13  
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RS-232 SERIAL CONTROL  
Commands  
Simplied syntax was used for command implementation for faster operation with  
the device. These commands are not case-sensitive.  
Command  
Description  
A
N
S
V
Enable Auto-Switching  
Disable Auto-Switching  
Get System Status  
Displays Firmware Version  
A Command  
The A command enables auto-switching. The Switcher will automatically switch  
to the last source device that was powered on.  
Syntax:  
a
Parameters:  
None  
N Command  
The N command disables Auto-Switching.  
Syntax:  
n
Parameters:  
None  
14  
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RS-232 SERIAL CONTROL  
S Command  
The S command displays the current routing status of the Switcher. The S com-  
mand will also display the current auto-switching status (A or N).  
Syntax:  
s
Parameters:  
None  
V Command  
The V command displays the rmware version.  
Syntax:  
v
Parameters:  
None  
15  
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CHANGING THE IR CHANNEL  
Changing the IR channel  
Use the following procedure to set the proper IR channel on the GefenToolBox  
4x1 Switcher for HDMI.  
1
Press and hold the Input Select button for 5 seconds to enter IR channel  
selection mode. The bank of blue LED indicators will now display the  
currently selected IR channel.  
2
Press the Input Select button to cycle through each IR channel. The  
currently selected IR channel will by indicated by a ashing blue LED.  
IMPORTANT: The selected IR channel must be the same as the IR channel  
set on the IR Remote Control Unit (page 10). Refer to the table below for  
setting the IR channel.  
3
Once the proper IR channel has been selected, press and hold the Input  
Select button to conrm and exit IR channel selection mode. The currently  
selected input source will now be indicated.  
IR Channel Table  
Input LED  
IR Channel  
1
2
3
4
0
1
2
3
16  
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WALL MOUNTING INSTRUCTIONS  
The GefenToolBox 4x1 Switcher for HDMI should be mounted vertically in  
a wall or cabinet with wood/drywall screws as shown in the diagram above.  
There should be an inch or two of clearance between the edges of the unit and  
any walls or vertical surfaces to allow for enough clearance for insertion and  
retraction of cables at the HDMI connectors.  
For installation on a drywall surface, use a #6 drywall screw. It is recommended  
when installing on a drywall surface that studs be used to secure the Switcher  
should undue stress be applied when connecting and disconnecting HDMI  
cables.  
17  
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SPECIFICATIONS  
Video Bandwidth ...................................................................................... 225 MHz  
Pixel Clock / Speed .................................................................................. 165 MHz  
Maximum Video Resolution ............................. 1080p@60Hz, 1920x1200@60Hz  
with 12-bit Deep Color  
Input Video Signal ................................................................................... 1.2 V p-p  
Input DDC Signal .............................................................................. 5 V p-p (TTL)  
HDMI Connector ................................... type A 19 pin female; (4) input, (1) output  
LED Indicators (source mapping)................................................................4 (blue)  
LED Indicator (power)....................................................................................1 (red)  
RS-232 Interface............................................................................... DB9 serial (F)  
IR Extender Port........................................................................3.5mm Mini-Stereo  
Power Supply .............................................................................................. 5V DC  
Power Consumption ............................................................................ 20 W (max)  
Dimensions ........................................................................... 6½”W x 11¾”H x 1”D  
Operating Temperature ............................................................................ 0 - 40 °C  
Shipping Weight .............................................................................................3 lbs.  
Available Colors.................................................................................Ivory or Black  
Compliancy.............................US/EU Standards, HDMI 1.3, HDMI 1.2, HDCP 1.1,  
DVI 1.0  
Certications.............................................................UL (power supply), RoHS, CE  
18  
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Rev A6  
1.2  
20600 Nordhoff St., Chatsworth CA 91311  
1-800-545-6900 818-772-9100 fax: 818-772-9120  
Pb  
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