Kramer Electronics, Ltd.
USER MANUAL
Model:
VP-4x8AK
4x8 VGA / UXGA / Audio Matrix Switcher
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Contents
Figures
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Contents
Tables
iii
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Introduction
1
Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast range
of problems that confront the video, audio, presentation, and broadcasting
professional on a daily basis. In recent years, we have redesigned and upgraded
most of our line, making the best even better! Our 1,000-plus different models
Congratulations on purchasing your VP-4x8AK 4x8 VGA / UXGA / Audio
Matrix Switcher, which is ideal for the following typical applications:
•
Professional display systems requiring a true 4x8 computer graphics and
audio matrix operation
•
Multimedia and presentation source, and acceptor selection
The package includes the following items:
•
•
•
VP-4x8AK 4x8 VGA / UXGA Matrix Switcher
Windows®-based Kramer control software2
Kramer RC-IR3 Infrared Remote Control Transmitter (including the
•
2
Getting Started
We recommend that you:
•
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
•
•
Review the contents of this user manual
Use Kramer high performance high-resolution cables5
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:
Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories
and Rack Adapters; GROUP 11: Sierra Products
3 We recommend that you use only the power cord that is supplied with this machine
4 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com
1
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Getting Started
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Overview
3
Overview
The VP-4x8AK is a high performance 4x8 computer graphics video matrix
switcher for high-resolution video and stereo audio signals. The VP-4x8AK
is HDTV compatible and lets you simultaneously route any or all of the four
inputs to any or all of the eight outputs and to loop each input to an additional
output.
In particular, the VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher
features:
•
Kramer’s innovative integrated sync processing; Kr-isp® technology that
lets you achieve a sharp, stable image when the sync level is too low, by
restoring the sync signal waveform
•
•
•
•
A video bandwidth of over 360MHz that ensures transparent performance
even in the most critical applications
12 preset memory locations for quick access to common video and audio
configurations and audio gain status for each output
Automatic detection of the connected input signals (the respective button
illuminates)
A delayed switching mode (ranging from 0 to 3.5sec ) for clean
transitions when switching between non-genlocked sources
•
•
•
•
DC-coupled video inputs and outputs
Audio-follow-video and breakaway options
Four stereo unbalanced stereo audio input signals on 3.5mm mini plugs
Eight balanced stereo audio output signals on 5-pin terminal block
connectors
•
•
•
Audio level control buttons for adjusting the signal level of each input
and each output
Measurement and indication of the audio level for each input and output,
in relative dB
A TAKE button, which allows you to place multiple switches in a queue
and then activate them simultaneously with one touch of this button
•
•
A LOCK button to prevent tampering with the front panel
and output 1 high-density 15-pin HD connectors on pins 12 and 15
•
Control via embedded Web pages
1 In increments of 0.5sec
3
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Overview
Control the VP-4x8AK using the front panel buttons, or remotely via:
•
RS-485 or RS-232 serial commands (using Kramer 2000 and 3000
protocols) transmitted by a touch screen system, PC, or other serial
controller
•
•
The Kramer infrared remote control transmitter or infrared remote
extension cable transmitter (optional)
The ETHERNET
The VP-4x8AK is dependable, rugged, and fits into two vertical spaces (2U)
of a standard 19” professional rack.
To achieve the best performance:
•
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables).
•
Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer VP-4x8AK
away from moisture, excessive sunlight and dust
3.1 Terminology Used in this User Manual
Table 1 defines some terms that are used in this user manual:
Table 1: Terminology Used in this User Manual
Term
802.3
Definition
The standard specification for ETHERNET that is maintained by the Institute of Electrical and
Electronics Engineers (IEEE).
Dynamic Host Configuration Allows the network administrator to distribute IP addresses from a central point and
Protocol (DHCP)
automatically send a new IP address when an Ethernet point is plugged into a different
network location.
Gateway
A network position serving as an entry to another network. On the Internet, a node or
stopping point can be either a gateway node or a host (end-point) node.
A 32-binary digit number that identifies each sender or receiver (within a network via a
particular server or workstation) of data (HTML pages or e-mails) that is sent in packets
across the Internet. Every device connected to an IP network must have a unique IP
address. This address is used to reference the specific unit.
IP Address
Local Area Network (LAN)
Computers sharing a common communications line or wireless link, which often share a
server within a defined geographic area.
Media Access Control
(MAC) Address
Transmission Control
Protocol/Internet Protocol
(TCP/IP)
A computer's unique hardware number (or address) in a LAN or other network. On an
Ethernet LAN, the (MAC) address is identical to the Ethernet address.
The basic communication language or protocol of the Internet that breaks the message into
appropriately sized packets for the network, and can be used as a communications protocol
in an intranet or an extranet.
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Your VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher
3.2 DDC Support
When establishing a VGA connection between a PC or laptop and a display
device, a set of parameters known as EDID is exchanged between them, which
is carried over the DDC channel. In some PC graphic cards and laptops, this
information exchange is essential for proper VGA OUT operation.
3.3 Defining EDID
provided by a display, to describe its capabilities to a graphics card (that is
connected to the display’s source). The EDID enables the PC or laptop to
“know” what kind of monitor is connected to the output. The EDID includes
the manufacturer’s name, the product type, the timing data supported by the
display, the display size, luminance data and (for digital displays only) the
pixel mapping data.
4
Your VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher
UXGA / Audio Matrix Switcher.
1 Defined by a standard published by the Video Electronics Standards Association (VESA)
5
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Your VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher
Table 2: Front Panel VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher Features
#
Feature
Function
1
IR Receiver
The yellow LED is illuminated when receiving signals from the infrared
remote control transmitter
2
3
POWER LED
The green LED is illuminated when the unit is turned ON
SELECTOR OUT
Buttons
4
SELECTOR IN
Select the input (from 1 to 4) to switch to the output (after selecting an
Buttons
output).
When a signal is detected at an input connector, the corresponding input
button is illuminated
5
6
ALL Button
Pressing ALL followed by an INPUT button, connects that input to all outputs2
OFF Button
Press an OUT SELECTOR button and then an OFF button to disconnect that
output from the inputs.
Press the ALL button and then the OFF button to disconnect all the outputs
7
8
9
VIDEO Button
AUDIO Button
AFV Button
When pressed, the audio channels follow the video channels. The button is
illuminated when the AFV mode is selected
10 STO (Store) Button
Pressing STO followed by an input/output button stores the current setting5
Press the RCL button together with the STO button to set the machine
11 RCL (Recall) Button Pressing the RCL button and the corresponding IN/OUT button recalls a setup
from the non-volatile memory.
Press the RCL button again to implement the new status
Press the RCL button together with the STO button to set the machine
12 TAKE Button
At Once mode (user confirmation per action is unnecessary). When in
Confirm mode, pressing the TAKE button will implement a pending
configuration
13
14
- Button
Press to decrease the input or output audio signal level
AUDIO
LEVEL
+ Button Press to increase the input or output audio signal level
Disengages the front panel switches
16 STATUS 7-segment Displays the selected INPUT switched to the OUTPUT (marked above each
15 LOCK Button
display
input)7
7-segment display
1 From 1 to 8
2 For example, press ALL and then Input button # 2 to connect input # 2 to all the outputs
3 The VIDEO button is illuminated when in breakaway mode and actions relate to video
4 The AUDIO button is illuminated when in breakaway mode and actions relate to audio
5 For example, press STO and then the output button # 3 to store in Setup # 3, or the input button 4 to store in Setup 12
6 When in the Confirm mode, the TAKE button illuminates
7 Also displays the number of INPUT and OUTPUT ports, the firmware version number, and the MACHINE #. Refer to Section 7.2.1
8 A dot following the number, represents a value of 0.5. For example, 3.5 displays as "3."
9 The input audio level ranges from -100dB to +20dB and the output audio level ranges from -100dB to +7.5dB
7
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Your VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher
Table 3: Rear Panel VP-4x8AK 4x8 VGA / UXGA / Audio Matrix Switcher Features
#
Feature
Function
1
AUDIO INPUT 3.5mm Mini
Connect to the unbalanced stereo audio acceptors (from 1 to 4)
Connectors
2
AUDIO OUTPUT Terminal Block
Connect to balanced stereo audio sources (from 1 to 8)
Connectors
3
4
5
6
7
Power Switch
Switch for turning the unit ON or OFF
INPUT XGA 15-pin HD Connectors
Connect to the video sources (from 1 to 4)
LOOP XGA 15-pin HD Connectors Connect looped input to output acceptor (1 to 4)
OUTPUT XGA 15-pin HD Connectors Connect to the output acceptors (from 1 to 8)
PROG Button
Push in for “Program” to upgrade to the latest Kramer firmware
default)
8
9
RS-485 TERM DIP-switch
with 120Ω; OFF for no RS-485 Line Termination
RS-232 9-pin D-sub Port
Connects to the PC or the remote controller
Connects to an external IR receiver unit for controlling the
machine via an IR remote controller instead of using the front
panel IR receiver3
11 FACTORY RESET Button
IP Address:
Mask:
192.168.1.39
255.255.255.0
192.168.1.1
Gateway:
12 ETHERNET Connector
Connects to the PC or other serial controller through computer
networking
13 RS-485 Terminal Block Port
14 Power Connector with Fuse
Pins B (-) and A (+) are for RS-485; Pin G (Ground) may be
connected to the shield of the cable if desired
AC connector enabling power supply to the unit
4.1 Using the IR Transmitter
You can use the RC-IR3 IR transmitter to control the machine via the built-in IR
external IR receiver can be located up to 15 meters away from the machine. This
distance can be extended to up to 60 meters when used with three extension cables6
Before using the external IR receiver, be sure to arrange for your Kramer
dealer to insert the internal IR connection cable
7 with the 3.5mm connector
F
that fits into the REMOTE IR opening on the rear panel. Connect the external
IR receiver to the REMOTE IR 3.5mm connector.
1 The first and the last units on the RS-485 line should be terminated (ON). Other units should be unterminated (OFF)
2 Covered by a cap. The 3.5mm connector at the end of the internal IR connection cable fits through this opening
3 Optional. Can be used instead of the front panel (built-in) IR receiver to remotely control the machine (only if the internal
IR connection cable has been installed)
4 Turn the machine OFF using the power switch and then turn it ON while pressing the ETH Factory Reset button. The unit
will power up and load its memory with the factory default definitions
5 Model: C-A35M/IRR-50
6 Model: C-A35M/A35F-50
7 P/N: 505-70434010-S
9
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Using the VP-4x8AK
6
Using the VP-4x8AK
This section describes how to:
•
•
•
Connect the VP-4x8AK to a controlling device via RS-232 (see Section
•
•
•
6.1 Connecting the VP-4x8AK Rear Panel
1. Connect up to four VGA/UXGA computer graphics sources to the INPUT
15-pin HD connectors.
2. Connect up to four unbalanced stereo audio sources (for example, the audio
source of the computer, or a stereo audio source) to the four INPUT 3.5mm
mini connectors.
3. Connect up to four VGA/UXGA output acceptors to the LOOP connectors
(local displays or inputs to other cascaded units).
4. Connect the eight OUTPUT 15-pin HD connectors to up to eight VGA/UXGA
video acceptors (for example, displays).
5. Connect the eight OUTPUT terminal block connectors to up to eight balanced
stereo audio acceptors (for example, balanced stereo audio amplifiers with
speakers).
6. If required, you can connect a PC and/or controller to the:
.
.
.
1 You do not need to connect all inputs and outputs
2 Switch OFF the power on each device before connecting it to your VP-4x8AK. After connecting your VP-4x8AK, switch
on its power and then switch on the power on each device. DO NOT push in the rear panel Flash Program “PROG” button , it
3 We recommend that you use only the power cord that is supplied with this machine
11
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Using the VP-4x8AK
6.2 Connecting the Balanced/Unbalanced Stereo Audio Output
This section illustrates how to wire:
•
•
An unbalanced audio output, see Figure 5
Figure 4: Connecting the Balanced Stereo Audio Output
Figure 5: Connecting an Unbalanced Output
6.3 Connecting a PC or Controller to the RS-232 Port
You can connect to the VP-4x8AK via an RS-232 connection using, for
example, a PC. Note that a null-modem adapter/connection is not required.
To connect to the VP-4x8AK via RS-232:
•
Connect the RS-232 9-pin D-sub rear panel port on the product unit via a
9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5
need to be connected) to the RS-232 9-pin D-sub port on your PC
13
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6.4 Connecting a PC or Controller to the RS 485 Port
You can operate the VP-4x8AK via the RS-485 port from a distance of up to
1200m (3900ft) using any device equipped with an RS-485 port (for example,
a PC). For successful communication, you must set the RS-485 machine
number and bus termination.
To connect a device with a RS-485 port to the VP-4x8AK:
•
•
•
Connect the A (+) pin on the RS-485 port of the PC to the A (+) pin on
the RS-485 port on the rear panel of the VP-4x8AK
Connect the B (–) pin on the RS-485 port of the PC to the B (–) pin on the
RS-485 port on the rear panel of the VP-4x8AK
Connect the G pin on the RS-485 port of the PC to the G pin on the
RS-485 port on the rear panel of the VP-4x8AK
6.5 Configuring the Ethernet Port
To configure the Ethernet port, you have to connect your PC to the
Once the machine is connected, you can configure the Ethernet port.
6.5.1
Connecting via the Ethernet
You can connect the VP-4x8AK via the ETHERNET in the following ways:
•
•
For connection via a network hub or network router, use a
6.5.1.1 Connecting the ETHERNET Port Directly to a PC (Crossover Cable)
You can connect the Ethernet port of the machine to the Ethernet port on your
PC, via a crossover cable with RJ-45 connectors.
This type of connection is recommended for identification of the factory default
After connecting the Ethernet port, configure your PC as follows:
1. Right-click the My Network Places icon on your desktop.
2. Select Properties.
3. Right-click Local Area Connection Properties.
1 The default IP address is 192.168.1.39
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4. Select Properties.
The Local Area Connection Properties window appears.
5. Select the Internet Protocol (TCP/IP) and click the Properties Button (see
Figure 6: Local Area Connection Properties Window
6. Select Use the following IP Address, and fill in the details as shown in
7. Click OK.
Figure 7: Internet Protocol (TCP/IP) Properties Window
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Using the VP-4x8AK
6.5.1.2 Connecting the ETHERNET Port via a Network Hub (Straight-
Through Cable)
You can connect the Ethernet port of the VP-4x8AK to the Ethernet port on a
network hub or network router, via a straight-through cable with RJ-45
connectors.
6.5.2
Ethernet Port Configuration
To configure the Ethernet port, download the Device Properties Ethernet
configuration software. Extract the file to a folder and create a shortcut on
your desktop to the file.
Follow these steps to configure the port:
1. Double click the desktop icon.
The Connect screen appears as follows:
Figure 8: Connect Screen
2. Select the method to connect to the Ethernet port of the VP-4x8AK.
Select:
.
The default name for the machine is KRAMER_XXXX2
.
Serial, if you are connected via a serial port
1 The default IP address is 192.168.1.39
2 The four digits are the last four digits of the machine’s serial number.
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3. Click OK.
The Device Properties window appears:
Figure 9: Device Properties Screen
4. If required, make changes and press Set. If not, click Close.
6.6 Control via the Ethernet Port
You can control the VP-4x8AK via RS-232/RS-485 or the Ethernet using the
Kramer K-Router application.
If you are controlling a standalone unit via RS-232 or the Ethernet, configure
17
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6.7 Setting the Switching Delay Time
You can achieve clean transitions when switching between non-genlocked
default delay is to 0sec.
To set the delay time, do the following:
1. Press the VIDEO and AUDIO front panel buttons simultaneously.
The 7-segment display shows the current switching delay time.
2. Use the + and – front panel buttons to set the delay time as required.
To exit the Delay mode, press the TAKE front panel button.
6.8 Setting the Machine Number
The MACH. # (machine number) determines the position of a VP-4x8AK
unit when cascading units.
To set the MACH. #, do the following:
1. Press the STO and RCL front panel buttons simultaneously.
The 7-segment display shows the current machine number.
2. Use the + and – front panel buttons to set the machine number as required.
To exit the MACH. # mode, press the TAKE front panel button.
6.9 Cascading Machines
You can cascade up to 16 VP-4x8AK units with control from a PC or serial
controller.
To cascade up to 16 individual VP-4x8AK units via RS-485 (as illustrated in
3. Connect the RS-485 terminal block port on the first unit to the RS-485 port on
the second VP-4x8AK unit and so on, connecting all the RS-485 ports.
4. Set the machine numbers of the connected machines, as described in Section
VP-4x8AK units as Machine # 2 to Machine # 16.
1 In increments of 0.5sec
2 Alternatively, the ETHERNET port could be used for PC control (instead of RS-232)
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5. Set the RS-485 TERM DIP-switch ON on the first and last VP-4x8AK units
(terminating the RS-485 line at 120Ω). Set the RS-485 TERM DIP-switch OFF
on the other VP-4x8AK units.
Machine # 1 (Master)
Machine # 2
Up to 16
Units
Machine # 16
Figure 10: Control Configuration via RS-232 and RS-485
19
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Operating the VP-4x8AK
7
Operating the VP-4x8AK
This section describes how to:
•
•
•
•
•
•
•
7.1 Switching an Input to an Output
To switch an input to an output:
1. Press the required OUT button.
The input under the selected output on the IN 7-segment display blinks.
2. Press an IN button to select the input to switch to the output.
The selected input number appears on the 7-segment display.
Incomplete operations on the VP-4x8AK timeout after 15 seconds
7.2 Understanding the 7-Segment Displays
The VP-4x8AK has two displays:
•
•
The STATUS 7-segment display
The REL. AUDIO LEVEL (dB) 7-segment display
7.2.1 The STATUS 7-Segment Display
During normal operation, the STATUS display shows which inputs are
the display shows the video signal setup and in the AUDIO mode, it shows
input 3 is connected
to output 3
input 4 is connected
to output 8
Figure 11: 7-segment display During Normal Operation
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Operating the VP-4x8AK
Figure 12 shows an example of the display immediately after switching on
the power. This display disappears after a few seconds, replaced by the
normal display.
Firmware
version #
Machine #
Figure 12: 7-segment Display after Turning the Switcher ON
7.2.2 The REL AUDIO LEVEL 7-Segment Display
Figure 13: REL AUDIO LEVEL 7-segment Display
7.3 Confirming Settings
You can choose to work in the At Once or the Confirm mode.
In the At Once mode (TAKE button does not illuminate):
•
•
Pressing an OUT-IN combination implements the switch immediately
You save time as execution is immediate and actions require no user
confirmation
•
No protection is offered to allow the correction of an erroneous action before
it is implemented
In the Confirm mode (TAKE button illuminates):
•
•
•
You can key-in several actions and then confirm them by pressing the TAKE
button, to simultaneously activate the multiple switches
Every action requires user confirmation, protecting against erroneous
switching
1 Failure to press the TAKE button within 40 seconds (the Timeout) will abort the action
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Operating the VP-4x8AK
7.3.1 Toggling between the At Once and Confirm Modes
To toggle between the At Once and Confirm modes, do the following:
1. Press the TAKE button to toggle from the At Once mode (in which the TAKE
button does not illuminate) to the Confirm mode (in which the TAKE button
illuminates).
Actions now require user confirmation and the TAKE button illuminates.
2. Press the illuminated TAKE button to toggle from the Confirm mode back to
the At Once mode.
Actions no longer require user confirmation and the TAKE button no longer
illuminates.
7.3.2 Confirming a Switching Action
To confirm a switching action (in the Confirm mode), do the following:
1. Press an OUT-IN combination.
The corresponding 7-segment display blinks with the new value. The TAKE
button also blinks.
2. Press the blinking TAKE button to confirm the action.
The corresponding 7-segment display no longer blinks. The TAKE button
illuminates.
To confirm several actions (in the Confirm mode), do the following:
1. Press each OUT-IN combination in sequence.
The corresponding 7-segment display blinks. The TAKE button also blinks.
2. Press the blinking TAKE button to confirm all the actions.
The corresponding 7-segment display no longer blinks. The TAKE button
illuminates.
7.4 Storing/Recalling Input/Output Configurations
Figure 14: Storing and Recalling using the Input/Output Buttons
1 You can store and recall audio and video configurations and audio gain data
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Operating the VP-4x8AK
7.4.1 Storing an Input/Output Configuration
To store the current status in memory, do the following:
1. Press the STO button.
The STO button blinks.
2. Press one of the 12 IN/OUT buttons (this will be the setup # in which the
current status is stored). If in the Confirm mode, press the blinking TAKE
button to confirm the action.
The memory stores the data at that reference.
7.4.2 Recalling an Input/Output Configuration
To recall an input/output configuration, do the following:
1. Press the RCL button.
The RCL button blinks.
2. Press the appropriate IN/OUT button (the button # corresponding to the setup
#). If in the Confirm mode, that setup configuration will blink in the 7-segment
display, together with the RCL button and the TAKE button, and will only be
implemented after pressing the TAKE button.
The memory recalls the stored data from that reference.
Tip: If you cannot remember which of the 12-input/output configurations is
the one that you want, set the VP-4x8AK to the Confirm mode and manually
7.5 Locking the Front Panel
To prevent changing the settings accidentally or tampering with the unit via
protection mechanism.
To lock the VP-4x8AK:
•
Press the LOCK button for more than two seconds, until the LOCK
button is illuminated.
The front panel is locked. Pressing a button will have no effect other than
causing the LOCK button to blink3
To unlock the VP-4x8AK:
•
Press the illuminated LOCK button, for more than two seconds, until the
LOCK button is no longer illuminated and the front panel unlocks
1 By pressing the RCL button followed by the INPUT/OUTPUT buttons
2 Even when the front panel is locked you can still operate via RS-232 or RS-485, as well as via the infrared remote control
transmitter
3 Warning that you need to unlock to regain control via the front panel
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Operating the VP-4x8AK
7.6 Choosing the Audio-Follow-Video or Breakaway Option
You can switch stereo audio signals in one of two ways, either:
•
Audio-follow-video (AFV), in which all operations relate to both the
video and the audio channels; or
•
Breakaway, in which video and audio channels switch independently
7.6.1 Setting the Audio-Follow-Video Option
To set the Audio-follow-video (AFV) option, press the AFV button:
•
If the AUDIO and VIDEO configurations are the same, then the AFV
button illuminates. The audio follows the video.
•
If the AUDIO differs from the VIDEO, then the TAKE and the AUDIO
INPUT STATUS 7-segment display. Press the TAKE button to confirm
the modification. The audio follows the video.
7.6.2 Setting the Breakaway Option
To set the Breakaway option:
Press either the AUDIO (for audio control only) or the VIDEO (for video
control only) button:
•
If the AUDIO button illuminates, switching operations relate to Audio,
and the 7-segment display shows the audio status
•
If the VIDEO button illuminates, switching operations relate to Video,
and the 7-segment display shows the video status
7.7 The Audio Input/Output Gain Control
or AFV mode.
To increase or decrease the audio gain:
1. Select the output whose audio gain you want to change.
For example, press OUT 4.
The OUT 4 button blinks and so does the respective input on the display.
2. Press the + or – button to increase or decrease, respectively, the audio gain of
the selected output.
The audio gain display lights and the audio level value shows on the display.
1 Warning that you are about to modify the audio configuration for AFV operation
2 In this section, the output also refers to the input
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Flash Memory Upgrade
LEVEL 7-segment display.
The factory default audio gain is set to 0dB. An audio gain value of 0dB
indicates that the output signal value is identical to the input signal value.
When increasing/decreasing the audio gain, the output signal level is
higher/lower than the input signal level.
Gain level values are relative since the audio input signal can be also
the input level adjustment.
8
Flash Memory Upgrade
The VP4x8AK uses a microcontroller that runs firmware located in FLASH
memory.
The latest version of firmware and installation instructions can be
1 The input level ranges from -100 to +20 and the output level ranges from -100 to +7.5
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Controlling via the Embedded Web Pages
9
Controlling via the Embedded Web Pages
You can remotely operate the VP-4x8AK using a Web browser via the
supported Web browser; Microsoft (V6.0 and higher), Chrome, or Firefox
(V3.0 and higher).
To check that Java is installed correctly and running, browse to:
message.
Figure 15: Java Test Page Success Message
If you do not see the success message, follow the instructions on the page to:
•
•
Load and enable Java
Enable Javascript in your browser
9.1 Connecting to the VP-4x8AK via your Browser
Make sure that your PC is connected via a network to the VP-4x8AK and do
the following:
1. Open your Internet browser.
If you are using DHCP, you have to enter the name.
Figure 16: Entering the IP Number in the Address Bar
1 The default IP number is 192.168.1.39, and may be changed by the system integrator
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Controlling via the Embedded Web Pages
The following window appears:
Figure 17: Loading the Embedded Web Pages
Check that Java and JavaScript is enabled in your browser. The following
window appears:
Figure 18: First Time Security Warning
3. Click Run.
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Controlling via the Embedded Web Pages
The Web embedded screens let you control the VP-4x8AK via the Ethernet.
The menu appears on the left side of the screen. There are three remote
operation Web pages:
•
•
•
A help box is available for each screen when clicking the question mark that
appears on the left side of the screen.
9.2 The VP-4x8AK Switching Matrix Page
The VP-4x8AK switching matrix page lets you route any or all of the four
inputs to any or all of the eight outputs, by clicking the audio and/or video
signal indicators (purple and blue, respectively):
Figure 19: VP-4x8AK Embedded Web Page
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Controlling via the Embedded Web Pages
You can perform the following operations via this Web page:
•
Operate in the AFV mode or switch the audio and video separately, by
•
•
•
•
Lock or unlock the front panel, by clicking the lock icon
9.2.1 Switch an Input to an Output via the Embedded Web Pages
To switch an input to an output (for example, input 1 to output 4):
1. Set the button to the desired operation mode (Audio, Video or AFV, as
required).
2. Click the switching-point within the switching matrix (In 1 to Out 4).
The audio/video signal indicators move to the In 1 to Out 4 switching matrix
box, indicating that In 1 is now switched to Out 4.
Figure 20: Switching an Input to an Output
9.2.2 Operate in the Confirm Mode
By default, the device is set to the At-Once mode. To operate in the Confirm
mode:
1. Click the red Offline button.
2. Click the desired switching-point in the switching matrix.
Audio/video indicator outlines appear and the Take and Cancel buttons turn
blue.
1 Depending on the operation mode (Audio, Video or AFV)
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Controlling via the Embedded Web Pages
Figure 21: Switching an Input to an Output
3. Click either Take (to accept change) or Cancel.
You can repeat steps 2 and 3 several times.
To confirm several actions, select several switching points and then press TAKE
4. Click the Online button to exit the Confirm mode.
If you click the Online button before you click the TAKE button, the
following warning appears:
Figure 22: Exiting Offline Warning
9.2.3 Store and Recall Setups
To store a matrix configuration:
1. From the Preset drop-down list, select a preset (for example, Preset 07).
Presets that contain a configuration are displayed with a blue background;
presets with no configuration have a white background.
When selecting a preset, the Store button changes from gray to dark blue.
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Controlling via the Embedded Web Pages
Figure 23: Selecting a Preset
2. Click the Preview button to view the current setup stored in Preset 7.
3. Make sure the matrix is set to the desired configuration. If not, set it as required.
4. Click Store.
The following window appears:
Figure 24: Save Preset Message
5. Click OK.
The new In/Out configuration is stored in Preset 07.
To recall a preset configuration:
Preset 03):
2. Click and hold the Preview button to view the selected Preset and then release.
3. Click Recall.
The following window appears:
Figure 25: Load Preset Message
1 When selecting a preset that contains a configuration, the Recall button changes from gray to dark blue
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Controlling via the Embedded Web Pages
4. Click OK.
The new In/Out configuration takes effect.
You can recall a preset configuration in the Confirm mode by repeating the
above procedure in the Offline state. The recalled configuration will become
active when you press the Take button.
Figure 26: Recalling a Preset in the Confirm Mode
The Help Box ?
This is the main panel window. In this window you can control the channels.
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Controlling via the Embedded Web Pages
9.3 Audio Gain Page
The AUDIO GAIN screen lets you set the gain for each of the input and
output channels:
Figure 27: Audio Gain Page
To change an input or output gain, select the channel number, then click and
hold the + or – buttons to increase or decrease the gain, respectively.
A single click will increase/decrease the audio gain by 0.5 units; double click
to increase/decrease the gain by 1 unit.
The Help Box ?
In this page you can control the audio gain of the channels.
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Controlling via the Embedded Web Pages
9.4 The Configurations Page
To change CONFIGURATION definitions:
1. Click CONFIGURATIONS. The CONFIGURATIONS Web page appears.
2. Change the definitions as required.
sure you want to change the network settings.
4. Click Yes.
A window appears announcing that the configuration has been successfully
changed.
5. Click OK
6. If the IP number had been changed, close the browser and reload the Web page.
Figure 28: CONFIGURATIONS Embedded Web Page
HELP BOX ?
This page lets you view and set the device configuration.
1 The model name, serial number, firmware version and MAC address
2 Or Cancel to cancel changes
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Technical Specifications
10 Technical Specifications
Table 4 lists the technical specifications:
INPUTS:
4 XGA on 15-pin HD connectors (VGA through UXGA);
4 unbalanced stereo audio 3.5mm mini connectors
OUTPUTS:
8 VGA on 15-pin HD connectors (VGA through UXGA);
4 LOOP XGA on 15-pin HD connectors (VGA through UXGA)
8 balanced stereo audio terminal block connectors
MAX. OUTPUT LEVEL:
BANDWIDTH (-3dB):
DIFF. GAIN:
VIDEO: 2.3Vpp
VIDEO: 360MHz
0.05%
AUDIO: 3.2dBu
AUDIO: 22kHz
DIFF. PHASE:
0.05%
K-FACTOR:
<0.05%
S/N RATIO:
VIDEO: 66dB @5MHz
VIDEO: -52dB, 5MHz
AUDIO: 82dB
CROSSTALK (all hostile):
CONTROLS:
AUDIO: Bal: <-70dB @20kHz
Input/output selector buttons, all, off, video, audio, AFV, store, recall, take
audio level, and lock buttons. RS-232, RS-485, and Ethernet control. Input
and output level control, infrared
COUPLING:
VIDEO: DC
AUDIO: AC
AUDIO THD + NOISE:
AUDIO 2nd HARMONIC:
POWER SOURCE:
DIMENSIONS:
0.24%
0.002%
100-240V AC, 19VA
19" x 7" x 2U W, D, H
3.8kg (8.4lbs) approx
WEIGHT:
ACCESSORIES:
Power cord, rack “ears”, Windows®-based control software, external
1 Specifications are subject to change without notice
2 P/N: C-A35M/IRR-50
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Communication Parameters
11 Communication Parameters
Table 5 lists the communication parameters as used in Kramer Electronics
products.
Table 5: Communication Parameters
EDID
EDID data is passed between Output 1 and Input 1
RS-232
Protocol 2000
Baud Rate:
Data Bits:
Protocol 3000 (Default)
Baud Rate:
9600
8
115,200
8
Data Bits:
Stop Bits:
1
Stop Bits:
1
Parity:
None
HEX
Parity:
None
ASCII
Command Format:
Command Format:
Example (Output 1 to Input 1): 0x01, 0x81, 0x81, 0x81 Example (Output 1 to Input 1): #AV 1>1<CR>
Switching Protocol
P2000 -> P3000
Command:
P3000 -> P2000
0x38, 0x80, 0x83, 0x81
Command:
#P2000<CR>
Front Panel:
Press and hold Output 1 and
Output 3 simultaneously
Front Panel:
Press and hold Output 1 and
Output 2 simultaneously
Ethernet
Reset Settings
Default Settings
IP Address: 192.168.1.39
TCP Port #: 5000
Power cycle the unit while holding in the Factory Reset button, located on
the rear panel of the unit.
UDP Port #: 50000
12 Table of ASCII Codes for Serial Communication (Protocol
3000)
single VP-4x8AK machine. For more detailed information, see Protocol 3000
Table 6: VP-4x8AK Video Signal Codes for Protocol 3000
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
IN 1
IN 2
IN 3
IN 4
#V 1>1 CR #V 1>2 CR #V 1>3 CR #V 1>4 CR #V 1>5 CR #V 1>6 CR #V 1>7 CR #V 1>8 CR
#V 2>1 CR #V 2>2 CR #V 2>3 CR #V 2>4 CR #V 2>5 CR #V 2>6 CR #V 2>7 CR #V 2>8 CR
#V 3>1 CR #V 3>2 CR #V 3>3 CR #V 3>4 CR #V 3>5 CR #V 3>6 CR #V 3>7 CR #V 3>8 CR
#V 4>1 CR #V 4>2 CR #V 4>3 CR #V 4>4 CR #V 4>5 CR #V 4>6 CR #V 4>7 CR #V 4>8 CR
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Table of Hex Codes for Serial Communication (Protocol 2000)
Table 7: VP-4x8AK Audio Signal Codes for Protocol 3000
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
IN 1
IN 2
IN 3
IN 4
#A 1>1 CR #A 1>2 CR #A 1>3 CR #A 1>4 CR #A 1>5 CR #A 1>6 CR #A 1>7 CR #A 1>8 CR
#A 2>1 CR #A 2>2 CR #A 2>3 CR #A 2>4 CR #A 2>5 CR #A 2>6 CR #A 2>7 CR #A 2>8 CR
#A 3>1 CR #A 3>2 CR #A 3>3 CR #A 3>4 CR #A 3>5 CR #A 3>6 CR #A 3>7 CR #A 3>8 CR
#A 4>1 CR #A 4>2 CR #A 4>3 CR #A 4>4 CR #A 4>5 CR #A 4>6 CR #A 4>7 CR #A 4>8 CR
Table 8 lists the codes that set the audio input gain. For more detailed
Table 8: VP-4x8AK Audio Input Gain Codes
Level
INPUT 1
INPUT 5
INPUT X*
[Rel]
…
#AUD-LVL 1,1, -100CR
…
#AUD-LVL 1,5, -100CR
#AUD-LVL 1,X, -100CR
-100dB Mute
…
…
…
#AUD-LVL 1,1, -50CR
#AUD-LVL 1,1, 0CR
#AUD-LVL 1,1, 20CR
…
…
…
#AUD-LVL 1,5, -50CR
#AUD-LVL 1,5, 0CR
#AUD-LVL 1,5, 20CR
#AUD-LVL 1,X, -50CR
#AUD-LVL 1,X, 0CR
#AUD-LVL 1,X, 20CR
-50dB
0dB
+20dB (Max)
* Where X is the input number from 1 - 8. For example, for channel 7 and relative level -50dB, #AUD-LVL 1,7, -50CR
Table 9 lists the codes that set the audio output gain. For more detailed
Table 9: VP-4x8AK Audio Output Gain Codes
Level
OUTPUT 1
OUTPUT 5
OUTPUT X*
[Rel]
#AUD-LVL 2,1, -100CR
…
#AUD-LVL 2,5, -100CR
…
#AUD-LVL 2,X, -100CR
-100dB Mute
#AUD-LVL 2,1, -50CR
#AUD-LVL 2,1, 0CR
#AUD-LVL 2,1, 13CR
…
…
…
#AUD-LVL 2,5, -50CR
#AUD-LVL 2,5, 0CR
#AUD-LVL 2,5, 13CR
…
…
…
#AUD-LVL 2,X, -50CR
#AUD-LVL 2,X, 0CR
#AUD-LVL 2,X, 7CR
-50dB
0dB
+7dB (Max)
* Where X is the output number from 1 - 8. For example, for channel 7 and relative level -50dB, #AUD-LVL 2,7, -50CR
13 Table of Hex Codes for Serial Communication (Protocol
2000)
The Hex codes listed in this section are used to set video channels for a single
machine (set as Machine 1) connected via either RS-232 or Ethernet. Similar
hex codes are used when the VP-4x8AK is connected via RS-485 and the
machine is set to number 2.
Table 10 lists the Hex codes that switch video channels:
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Table of Hex Codes for Serial Communication (Protocol 2000)
Table 10: VP-4x8AK Hex Codes for Switching via RS-232/RS-485
Switching Video Channels
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
IN 1 01 81 81 81 01 81 82 81 01 81 83 81 01 81 84 81 01 81 85 81 01 81 86 81 01 81 87 81 01 81 88 81
IN 2 01 82 81 81 01 82 82 81 01 82 83 81 01 82 84 81 01 82 85 81 01 82 86 81 01 82 87 81 01 82 88 81
IN 3 01 83 81 81 01 83 82 81 01 83 83 81 01 83 84 81 01 83 85 81 01 83 86 81 01 83 87 81 01 83 88 81
IN 4 01 84 81 81 01 84 82 81 01 84 83 81 01 84 84 81 01 84 85 81 01 84 86 81 01 84 87 81 01 84 88 81
Table 11 lists the Hex codes that switch video channels:
Table 11: VP-4x8AK Hex Codes for Switching Audio Channels via RS-232/RS-485
Switching Audio Channels
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
IN 1 02 81 81 81 02 81 82 81 02 81 83 81 02 81 84 81 02 81 85 81 02 81 86 81 02 81 87 81 02 81 88 81
IN 2 02 82 81 81 02 82 82 81 02 82 83 81 02 82 84 81 02 82 85 81 02 82 86 81 02 82 87 81 02 82 88 81
IN 3 02 83 81 81 02 83 82 81 02 83 83 81 02 83 84 81 02 83 85 81 02 83 86 81 02 83 87 81 02 83 88 81
IN 4 02 84 81 81 02 84 82 81 02 84 83 81 02 84 84 81 02 84 85 81 02 84 86 81 02 84 87 81 02 84 88 81
Table 12 lists the Hex codes that increase or decrease the audio input gain:
Table 12: VP-4x8AK Hex Codes for Increasing/Decreasing the Audio Input Gain
IN 1
IN 2
IN 3
IN 4
Increase 18 81 86 81 18 82 86 81 18 83 86 81 18 84 86 81
Decrease 18 81 87 81 18 82 87 81 18 83 87 81 18 84 87 81
Table 13 lists the Hex values that set the audio input gain:
Table 13: VP-4x8AK Hex Codes for Setting the Audio Input Gain
Level
IN 1
IN 2
IN 3
IN 4
[Rel]
Mute
16 81 80* 81 16 82 80* 81 16 83 80* 81 16 84 80* 81
16 81 87* 81 16 82 87* 81 16 83 87* 81 16 84 87* 81 -100dB Mute
16 81 B9* 81 16 82 B9* 81 16 83 B9* 81 16 84 B9* 81
-50dB
16 81 EB* 81 16 82 EB* 8116 83 EB* 81 16 84 EB* 81
0dB
*
*
*
*
+20dB (Max)
16 81 FF 81 16 82 FF 81 16 83 FF 81 16 84 FF 81
* BYTE 3 = 0x80 + Gain Value (0x00-0x7F)
Table 14 lists the Hex codes that increase or decrease the audio output gain:
Table 14: VP-4x8AK Hex Codes for Increasing/Decreasing the Output Gain
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
Increase
18 81 80 81 18 82 80 81 18 83 80 81 18 84 80 81 18 85 80 81 18 86 80 81 18 87 80 81 18 88 80
81
Decrease
18 81 81 81 18 82 81 81 18 83 81 81 18 84 81 81 18 85 81 81 18 86 81 81 18 87 81 81 18 88 81
81
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Table of Hex Codes for Serial Communication (Protocol 2000)
Table 15 lists the Hex codes that set the audio output gain.
must be sent.
Table 15: VP-4x8AK Hex Codes for Setting the Audio Output Gain
Level
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
OUT 8
[Rel]
Mute
16 81 80* 81 16 82 80* 81 16 83 80* 81 16 84 80* 81 16 85 80* 81 16 86 80* 81 16 87 80* 81 16 88 80* 81
16 81 94* 81 16 82 94* 81 16 83 8D* 81 16 84 94* 81 16 85 94* 81 16 86 94* 81 16 87 94* 81 16 88 94* 81 -100dB Mute
16 81 C6* 8116 82 C6* 81 16 83 C6* 81 16 84 C6* 8116 85 C6* 81 16 86 C6* 81 16 87 C6* 8116 88 C6* 81
-50dB
16 81 F8* 81 16 82 F8* 81 16 83 F8* 81 16 84 F8* 81 16 85 F8* 81 16 86 F8* 81 16 87 F8* 81 16 88 F8* 81
0dB
16 81 FF* 81 16 82 FF* 81 16 83 FF* 81 16 84 FF* 81 16 85 FF* 81 16 86 FF* 81 16 87 FF* 81 16 88 FF* 81
+7dB (Max)
*BYTE 3 = 0x80 + Gain Value (0x00-0x7F)
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Kramer Protocol
14 Kramer Protocol
14.1 describes how to switch between protocol 3000 and protocol 2000.
14.1 Switching Protocols
You can switch protocols either via the front panel buttons (see Section
14.1.1 Switching Protocols via the Front Panel Buttons
and OUT 2 buttons for a few seconds.
The display shows 2000.
To switch from protocol 2000 to protocol 3000, press and hold the OUT 1
and OUT 3 buttons for a few seconds.
The display shows 3000.
14.1.2 Switching Protocols via Protocol Commands
To switch from protocol 3000 to protocol 2000, send the following command:
#P2000<CR>
To switch from protocol 2000 to protocol 3000, send the following command:
0x38, 0x80, 0x83, 0x81
the VP-4x8AK is set to protocol 3000, it is automatically switched to protocol
2000.
14.2 Kramer Protocol 3000
This RS-232/RS-485 communication protocol lets you control the machine
from any standard terminal software (for example, Windows®
HyperTerminal Application) and uses a data rate of 115200 baud, with no
parity, 8 data bits, and 1 stop bit.
1 You can download our user-friendly “Software for Calculating Hex Codes for Protocol 2000” from the technical support
section on our Web site at: http://www.kramerelectronics.com
2 Not as part of a switching operation
3 Download the latest software from our Web site at http://www.kramerelectronics.com
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Kramer Protocol
14.2.1 Protocol 3000 Syntax
Host message format:
Start Address (optional)
Destination_id@
Body
message
Delimiter
#
CR
Simple command (commands string with only one command without
addressing):
start
body
delimiter
#
Command SP Parameter_1,Parameter_2,…
CR
Commands string (formal syntax with commands concatenation and
addressing):
# Address@ Command_1 Parameter1_1,Parameter1_2,… |Command_2
Parameter2_1,Parameter2_2,… |Command_3
Parameter3_1,Parameter3_2,… |…CR
Device message format:
Start Address (optional)
Sender_id@
Body
Delimiter
~
message
CR LF
Device long response (Echoing command):
Start
Address (optional)
Body
command SP [param1 ,param2 …] result
Delimiter
~
Sender_id@
CR LF
CR = Carriage return (ASCII 13 = 0x0D)
LF = Line feed (ASCII 10 = 0x0A)
SP = Space (ASCII 32 = 0x20)
14.2.2 Command Parts Details
Command:
Sequence of ASCII letters ('A'-'Z', 'a'-'z' and '-').
Command will separate from parameters with at least single space.
Parameters:
Sequence of Alfa-Numeric ASCII chars ('0'-'9','A'-'Z','a'-'z' and some special chars for specific commands), parameters will be
separated by commas.
Message string:
Every command must to be entered as part of message string that begin with message starting char and end with message
closing char, note that string can contain more then one command separated by pipe ("|") char.
Message starting char:
'#' for host command\query.
'~' for machine response.
Device address (Optional, for Knet):
Knet Device ID follow by '@' char.
Query sign = '?', will follow after some commands to define query request.
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Kramer Protocol
Message closing char =
Host messages - Carriage Return (ASCII 13), will be referred to by CR in this document.
Machine messages - Carriage Return (ASCII 13) + Line-Feed (ASCII 10), will be referred to by CRLF.
Spaces between parameters or command parts will be ignored.
Commands chain separator char:
When message string contains more than one command, commands will be separated by pipe ("|").
Commands entering:
If terminal software used to connect over serial \ ethernet \ USB port, that possible to directly enter all commands characters
(CR will be entered by Enter key, that key send also LF, but this char will be ignored by commands parser).
Sending commands from some controllers (like Crestron) require coding some characters in special form (like \X##).
Anyway, there is a way to enter all ASCII characters, so it is possible to send all commands also from controller.
(Similar way can use for URL \ Telnet support that maybe will be added in future).
Commands forms:
Some commands have short name syntax beside the full name to allow faster typing, response is always in long syntax.
Commands chaining:
It is possible to enter multiple commands in same string by '|' char (pipe).
In this case the message starting char and the message closing char will be entered just one time, in the string beginning
and at the end.
All the commands in string will not execute until the closing char will be entered.
Separate response will be sent for every command in the chain.
Input string max length:
64 characters.
Backward support:
Design note: transparent supporting for protocol 2000 will be implemented by switch protocol command from protocol 3000
to protocol 2000, in protocol 2000 there is already such a command to switch protocol to ASCII protocol (#56 : H38 H80 H83
H81).
Table 16: Instruction Codes for Protocol 3000
Help commands
Command
Syntax
Response
Protocol Handshaking
#CR
~OKCRLF
Device initiated messages
Command
Syntax
Start message
Kramer Electronics LTD. , Device Model
Version Software Version
Switcher actions
Audio-video channel has switched (AFV mode)
Video channel has switched (Breakaway mode)
Audio channel has switched (Breakaway mode)
AV IN>OUT
VID IN>OUT
AUD IN>OUT
Result codes (errors)
Syntax
No error. Command running succeeded
COMMAND PARAMETERS OK
Protocol Errors
ERR001
ERR002
ERR003
ERR004
Syntax Error
Command not available for this device
Parameter is out of range
Unauthorized access (running command without the match login).
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Kramer Protocol
Basic routing commands
Command
Syntax
AV IN>OUT, IN>OUT, …
Response
Switch audio & video
AV IN>OUT, IN>OUT,…RESULT
Switch video only
Note:
VID IN>OUT, IN>OUT, …
VID IN>OUT, IN>OUT, …RESULT
Short form: V IN>OUT, IN>OUT, …
When AFV mode is active, this command will switch also audio. If audio is breakaway – device display mode will
change to show audio connections status.
Switch audio only
AUD IN>OUT, IN>OUT, …
AUD IN>OUT, IN>OUT, …RESULT
Short form: A IN>OUT, IN>OUT, …
Note: When AFV mode is active, this command will switch also video.
Read video
connection
VID? OUT
VID IN>OUT
Short form: V? OUT
VID? *
VID IN>1, IN>2, …
AUD IN>OUT
Read audio
connection
AUD? OUT
Short form: A? OUT
AUD? *
AUD IN>1, IN>2, …
Parameters Description:
IN = Input number or '0' to disconnect output.
'>' = Connection character between in and out parameters.
OUT = Output number or '*' for all outputs.
Examples:
Switch Video and Audio input 3 to output 7
Switch Video input 2 to output 4
#AV 3>7CR
#V 2>4CR
~AV 3>7 OKCRLF
~VID 2>4 OKCRLF
~6@VID 4>2 OKCRLF
Switch Video input 4 to output 2 in machine
number 6
#6@VID 4>2CR
Disconnect Video and Audio Output 4
Switch Video Input 3 to All Outputs
#AV 0>4CR
~AV 0>4 OKCRLF
#V 3>*CR
~VID 3>* OKCRLF
Chaining Multiple
commands*
#AV 1>* | V 3>4, 2>2, 82>1, 0>2 |V 82>3| A 0>1 | V? * CR
~AV 1>* OKCRLF
First switch all Audio and video outputs from input 1,
~VID 1>2, 3>4
OKCRLF
Then switch video input 3 to output 4, video input 2 to output
2, video input and disconnect video output 2.
~VID 82>3 ERR###
Then switch audio input 3 to output 2,
CRLF
Then disconnect audio output 1.
~AUD 0>1 OKCRLF
Then get status of all links (assume this is 4x4 matrix).
Commands processing start after entering CR, response will sent
for each command after processing it.
~V 1>1, 0>2, 1>3,
3>4 CRLF
Signal Status commands
Command
Syntax
Response
Change signal status
SIGNAL INPUT, STATUS
-------------------
Get signal status
SIGNAL? INPUT
SIGNAL INPUT, STATUS
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Kramer Protocol
Parameters Description:
INPUT = Input number, ‘*’ for all.
STATUS = Signal state:
"0" or "off" for not existent signal.
"1" or "on" for existent signal.
Preset commands
Command
Syntax
Response
Store current
PRST-STO PRESET
PRST-STO PRESET RESULT
connections to preset
Short form: PSTO PRESET
Recall saved preset
Delete saved preset
PRST-RCL PRESET
PRST-RCL PRESET RESULT
Short form: PRCL PRESET
PRST-DEL PRESET
PRST-DEL PRESET RESULT
Short form: PDEL PRESET
Read video
connections from
saved preset
PRST-VID? PRESET,OUT
Short form: PVID? PRESET,OUT
PRST-VID? PRESET, *
PRST-VID PRESET, IN>OUT
PRST-VID PRESET, IN>1, IN>2,…
PRST-AUD PRESET: IN>OUT
Read audio
connections from
saved preset
PRST-AUD? PRESET,OUT
Short form: PAUD? PRESET,OUT
PRST-AUD? PRESET, *
PRST-AUD PRESET: IN>1, IN>2,…
Read saved presets
list
PRST-LST?
Short form: PLST?
PRST-LST PRESET, PRESET, …
Parameters Description:
PRESET = Preset number.
OUT = Output in preset to show for, '*' for all.
Examples:
Store current Audio & Video
connections to preset 5
#PRST-STR 5CR
#PRCL 3CR
~PRST-STR 5 OKCRLF
~PRST-RCL 3 OKCRLF
~PRST-VID 3: 4>2 CRLF
Recall Audio & Video
connections from preset 3
Show source of video output 2
from preset 3
#PRST-VID? 3,2CR
Operation commands
Command
Syntax
Response
Lock front panel
LOCK-FP LOCK-MODE
Short form: LCK LOCK-MODE
LOCK-FP LOCK-MODE RESULT
LOCK-FP?
Get front panel locking state
Parameters Description:
LOCK-FP LOCK-MODE
LOCK-MODE = Front panel locking state:
"0" or "off" to unlock front panel buttons.
"1" or "on" to lock front panel buttons.
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Kramer Protocol
Restart device
RESET
P2000
RESET OK
P2000 OK
Switch to protocol 2000*
* Protocol 2000 has command to switch back to ASCII protocol (like protocol 3000)
Audio parameters commands
Command
Syntax
Response
Set audio level in specific
amplifier stage.
AUD-LVL STAGE,
CHANNEL, VOLUME
RESULT
AUD-LVL STAGE, CHANNEL, VOLUME
Short form: ADL STAGE, CHANNEL, VOLUME
Read audio volume level
AUD-LVL STAGE,
AUD-LVL? STAGE, CHANNEL
CHANNEL, VOLUME
Short form: ADL? STAGE
Parameters Description:
STAGE =
"In","Out"
or
Numeric value (present audio processing stage). For example: "0" for Input level, "1" for Pre-Amplifier, "2" for
Amplifier (Out) etc.
CHANNEL = Input or Output #
VOLUME = Audio parameter in Kramer units, precede minus sign for negative values.
++ increase current value,
-- decrease current value.
Machine info commands
Command
Syntax
Response
* Time settings commands require admin authorization
INFO-IO?
Read in\outs count
INFO-IO: IN INPUTS_COUNT, OUT OUTPUTS_COUNT
INFO-PRST?
Read max presets
count
INFO-PRST: VID PRESET_VIDEO_COUNT, AUD
PRESET_AUDIO_COUNT
FACTORY
Reset
FACTORY RESULT
configuration to
factory default
Identification commands
Command
Syntax
#CR
Response
~OK CRLF
Protocol Handshaking
Read device model
MODEL?
MODEL MACHINE_MODEL
SN?
Read device serial number
SN SERIAL_NUMBER
VERSION?
Read device firmware
version
VERSION MAJOR .MINOR .BUILD .REVISION
Set machine name
NAME MACHINE_NAME
NAME MACHINE_NAME RESULT
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Kramer Protocol
Identification commands
Command
Syntax
NAME?
Response
Read machine name
NAME MACHINE_NAME
NAME-RST
Reset machine name to
factory default*
NAME-RST MACHINE_FACTORY_NAME
RESULT
*Note: machine name not equal to model name. This name relevance for site viewer identification of specific
machine or for network using (with DNS feature on).
MACHINE_NAME = Up to 14 Alfa-Numeric chars.
* Machine factory name = Model name + last 4 digits from serial number.
MACH-NUM
Set machine id number
MACH-NUM OLD_MACHINE_NUMBER
MACHINE_NUMBER
,NEW_MACHINE_NUMBER RESULT
* Response will send after machine number has been changed. So the replay with header will be:
NEW_MACHINE_NUMBER @MACH-NUM OLD_MACHINE_NUMBER ,NEW_MACHINE_NUMBER OK
Network settings commands
Set IP Address
NET-IP IP_ADDRESS
NET-IP IP_ADDRESS RESULT
NTIP
NET-IP?
Read IP Address
NET-IP IP_ADDRESS
NTIP?
NET-MAC?
NTMC
Read MAC Address
NET-MAC MAC_ADDRESS
Set subnet mask
NET-MASK SUBNET_MASK
NET-MASK SUBNET_MASK RESULT
NTMSK
NET-MASK?
NTMSK?
Read subnet mask
NET-MASK SUBNET_MASK
Set gateway address
Read subnet mask
NET-GATE GATEWAY_ADDRESS
NTGT
NET-GATE GATEWAY_ADDRESS RESULT
NET-GATE?
NTGT?
NET-GATE GATEWAY_ADDRESS
Set DHCP mode
Read subnet mask
DHCP_MODE =
NET-DHCP DHCP_MODE
NTDH
NET-DHCP DHCP_MODE RESULT
NET-DHCP?
NTDH?
NET-DHCP DHCP_MODE
0 – Don't use DHCP (Use IP set by factory or IP set command).
1 – Try to use DHCP, if unavailable use IP as above.
Change protocol
ethernet port
ETH-PORT PROTOCOL , PORT
ETHP
ETH-PORT PROTOCOL ,PORT RESULT
Read protocol
ethernet port
ETH-PORT? PROTOCOL
ETHP?
ETH-PORT PROTOCOL , PORT
PROTOCOL = TCP / UDP (transport layer protocol)
PORT = ethernet port to enter protocol 3000 commands.
1-65535 = User defined port
0 - reset port to factory default (50000 for UDP, 5000 for TCP)
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Kramer Protocol
Advanced switching commands
Command
Syntax
Response
Set audio follow
video mode
AFV AFV-MODE
AFV AFV-MODE RESULT
Note:
This command effect device front-panel mode and AUD\VID command.
Read audio follow AFV?
AFV AFV-MODE
video mode
AFV-MODE = Front panel AFV mode
"0" or "afv" to set front panel switching buttons in audio-follow-video state.
"1" or "brk" to set front panel switching buttons in their previous state when audio.
14.3 Kramer Protocol 2000
This RS-232/RS-485 communication protocol uses four bytes of information
as defined below. The default data rate is 9600 baud, with no parity, 8 data
bits and 1 stop bit.
Table 17: Protocol Definitions
MSB
LSB
DESTI-
INSTRUCTION
NATION
D
6
0
7
N5
5
N4
4
N3
3
N2
2
N1
1
N0
0
1st byte
INPUT
1
7
I6
6
I5
5
I4
4
I3
3
I2
2
I1
1
I0
0
2nd byte
OUTPUT
O6
6
1
7
O5
5
O4
4
O3
3
O2
2
O1
1
O0
0
3rd byte
MACHINE NUMBER
1
7
OVR
6
X
5
M4
4
M3
3
M2
2
M1
1
M0
0
4th byte
1st BYTE:
Bit 7 – Defined as 0.
D – “DESTINATION”:
0 - for sending information to the switchers (from the PC);
1 - for sending to the PC (from the switcher).
N5…N0 – “INSTRUCTION”
The function that is to be performed by the switcher(s) is defined by the INSTRUCTION (6 bits). Similarly, if a function is
performed via the machine’s keyboard, then these bits are set with the INSTRUCTION NO., which was performed. The
instruction codes are defined according to the table below (INSTRUCTION NO. is the value to be set for N5…N0).
2nd BYTE:
Bit 7 – Defined as 1.
I6…I0 – “INPUT”.
When switching (ie. instruction codes 1 and 2), the INPUT (7 bits) is set as the input number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the INPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
3rd BYTE:
Bit 7 – Defined as 1.
O6…O0 – “OUTPUT”.
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Kramer Protocol
When switching (ie. instruction codes 1 and 2), the OUTPUT (7 bits) is set as the output number which is to be switched.
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the OUTPUT NUMBER which was
switched. For other operations, these bits are defined according to the table.
4th BYTE: Bit 7 – Defined as 1.
Bit 5 – Don’t care.
OVR – Machine number override.
M4…M0 – MACHINE NUMBER.
Used to address machines in a system via their machine numbers. When several machines are controlled from a single serial
port, they are usually configured together with each machine having an individual machine number. If the OVR bit is set, then
all machine numbers will accept (implement) the command, and the addressed machine will reply.
For a single machine controlled via the serial port, always set M4…M0 = 1, and make sure that the machine itself is
configured as MACHINE NUMBER = 1.
Table 18: Instruction Codes for Protocol 2000
Note: All values in the table are decimal, unless otherwise stated.
INSTRUCTION
DESCRIPTION
DEFINITION FOR SPECIFIC INSTRUCTION
INPUT OUTPUT
NOTE
#
0
RESET VIDEO
0
0
1
1
2
3
SWITCH VIDEO
Set equal to video input
which is to be switched
(0 = disconnect)
Set equal to audio input
which is to be switched
(0 = disconnect)
Set equal to video output which is
to be switched
(0 = to all the outputs)
Set equal to audio output which
is to be switched
(0 = to all the outputs)
0 - to store
2
SWITCH AUDIO
2
STORE VIDEO STATUS
Set as SETUP #
2, 3
1 - to delete
4
5
RECALL VIDEO STATUS
REQUEST STATUS OF A
VIDEO OUTPUT
Set as SETUP #
Set as SETUP #
0
2, 3
4, 3
Equal to output number whose
status is reqd
6
REQUEST STATUS OF AN
AUDIO OUTPUT
BREAKAWAY SETTING
Set as SETUP #
0
Equal to output number whose
status is reqd
0 - audio-follow-video
1 - audio breakaway
0 - Request audio breakaway
setting
4, 3
2
8
11
REQUEST BREAKAWAY
SETTING
Set as SETUP #
3, 4, 6
15
16
REQUEST WHETHER SETUP
IS DEFINED / VALID INPUT IS
DETECTED
SETUP #
or
Input #
For invalid / valid input
(i.e. OUTPUT byte = 4
or OUTPUT byte = 5),
this byte is set as the
input #
0 - for checking if setup is defined
1 - for checking if input is valid
8
0 - error
1 - invalid instruction
2 - out of range
3 - machine busy
4 - invalid input
5 - valid input
ERROR / BUSY
9, 25
6 - RX buffer overflow
22
24
SET AUDIO PARAMETER
Equal to input / output
number whose parameter
is to be set
Set as parameter value
2, 24
2
(0 = all)
INCREASE / DECREASE AUDIO Equal to input / output
PARAMETER
0 - increase output
number whose parameter 1 - decrease output
is to be increased /
decreased
(0 = all)
2 - increase left output
3 - decrease left output
4 - increase right output
5 - decrease right output
6 - increase input
7 - decrease input
8 - increase left input
9 - decrease left input
10 -increase right input
11 - decrease right input
0
25
30
REQUEST AUDIO PARAMETER Equal to input / output
number whose parameter
6, 24
2
is requested
LOCK FRONT PANEL
0 - Panel unlocked
1 - Panel locked
0
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Kramer Protocol
INSTRUCTION
DEFINITION FOR SPECIFIC INSTRUCTION
NOTE
#
DESCRIPTION
INPUT
OUTPUT
31
REQUEST WHETHER PANEL
IS LOCKED
AUDIO PARAMETER
SETTINGS FOR
0
0
16
24
42
INPUT Bit:
I0 - 0=input; 1=output
INSTRUCTIONS 22, 25
CHANGE TO ASCII
IDENTIFY MACHINE
56
61
0
Kramer protocol 3000
0 - Request first 4 digits
1 - Request first suffix
19
13
1 - video machine name
2 - audio machine name
3 - video software version 2 - Request second suffix
4 - audio software version 3 - Request third suffix
10 - Request first prefix
11 - Request second prefix
12 - Request third prefix
62
DEFINE MACHINE
1 - number of inputs
2 - number of outputs
3 - number of setups
1 - for video
2 - for audio
14
NOTES on the above table:
NOTE 1 - When the master switcher is reset, (e.g. when it is turned on), the reset code is sent to the PC. If this code is sent to
the switchers, it will reset according to the present power-down settings.
NOTE 2 - These are bi-directional definitions. That is, if the switcher receives the code, it will perform the instruction; and if
the instruction is performed (due to a keystroke operation on the front panel), then these codes are sent. For example, if the
HEX code
01
85
88
83
was sent from the PC, then the switcher (machine 3) will switch input 5 to output 8. If the user switched input 1 to output 7
via the front panel keypad, then the switcher will send HEX codes:
41
81
87
83
to the PC.
When the PC sends one of the commands in this group to the switcher, then, if the instruction is valid, the switcher replies by
sending to the PC the same four bytes that it was sent (except for the first byte, where the DESTINATION bit is set high).
NOTE 3 - SETUP # 0 is the present setting. SETUP # 1 and higher are the settings saved in the switcher's memory, (i.e. those
used for Store and Recall).
NOTE 4 - The reply to a "REQUEST" instruction is as follows: the same instruction and INPUT codes as were sent are
returned, and the OUTPUT is assigned the value of the requested parameter. The replies to instructions 10 and 11 are as per
the definitions in instructions 7 and 8 respectively. For example, if the present status of machine number 5 is breakaway
setting, then the reply to the HEX code
0B
would be HEX codes
4B 80
80
80
81
85
85
NOTE 6 – If INPUT is set to 127 for these instructions, then, if the function is defined on this machine, it replies with
OUTPUT=1. If the function is not defined, then the machine replies with OUTPUT=0, or with an error (invalid instruction
code).
If the INPUT is set to 126 for these instructions, then, if possible, the machine will return the current setting of this function,
even for the case that the function is not defined. For example, for a video switcher which always switches during the VIS of
input #1, (and its VIS setting cannot be programmed otherwise), the reply to the HEX code
0A
would be HEX codes
4A FE
FE
80
81 (ie. request VIS setting, with INPUT set as 126dec)
81
81 (ie. VIS setting = 1, which is defined as VIS from input #1).
NOTE 8 - The reply is as in TYPE 3 above, except that here the OUTPUT is assigned with the value 0 if the setup is not
defined / no valid input is detected; or 1 if it is defined / valid input is detected.
NOTE 9 - An error code is returned to the PC if an invalid instruction code was sent to the switcher, or if a parameter
associated with the instruction is out of range (e.g. trying to save to a setup greater than the highest one, or trying to switch an
input or output greater than the highest one defined). This code is also returned to the PC if an RS-232 instruction is sent
while the machine is being programmed via the front panel. Reception of this code by the switcher is not valid.
NOTE 10 – This code is reserved for internal use.
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Kramer Protocol
NOTE 13 - This is a request to identify the switcher/s in the system. If the OUTPUT is set as 0, and the INPUT is set as 1, 2,
5 or 7, the machine will send its name. The reply is the decimal value of the INPUT and OUTPUT. For example, for a 2216,
the reply to the request to send the audio machine name would be (HEX codes):
7D
96
90
81 (i.e. 128dec+ 22dec for 2nd byte, and 128dec+ 16dec for 3rd byte).
If the request for identification is sent with the INPUT set as 3 or 4, the appropriate machine will send its software version
number. Again, the reply would be the decimal value of the INPUT and OUTPUT - the INPUT representing the number in
front of the decimal point, and the OUTPUT representing the number after it. For example, for version 3.5, the reply to the
request to send the version number would be (HEX codes):
7D
83
85
81 (i.e. 128dec+ 3dec for 2nd byte, 128dec+ 5dec for 3rd byte).
If the OUTPUT is set as 1, then the ASCII coding of the lettering following the machine’s name is sent. For example, for the
VS-7588YC, the reply to the request to send the first suffix would be (HEX codes):
7D
D9
C3
81 (i.e. 128dec+ ASCII for “Y”; 128dec+ ASCII for “C”).
NOTE 14 - The number of inputs and outputs refers to the specific machine which is being addressed, not to the system. For
example, if six 16X16 matrices are configured to make a 48X32 system (48 inputs, 32 outputs), the reply to the HEX code
3E
82
81
82 (ie. request the number of outputs)
would be HEX codes
7E
82
90
82
ie. 16 outputs
NOTE 16 - The reply to the “REQUEST WHETHER PANEL IS LOCKED” is as in NOTE 4 above, except that here the
OUTPUT is assigned with the value 0 if the panel is unlocked, or 1 if it is locked.
NOTE 19 – After this instruction is sent, the unit will respond to the ASCII command set defined by the OUTPUT byte. The
ASCII command to operate with the HEX command set must be sent in order to return to working with HEX codes.
NOTE 24 – Further information needed in instructions 22 and 25, is sent using instruction 42 – which is sent prior to the
instruction. For example, to request the audio gain value of output # 9, send hex codes
2A
and then send HEX codes
19
81
80
81
89
81
81.
To set input gain change mode, send hex codes
2A 80 80 81
and then send HEX codes
16
NOTE 25 – For units which detect the validity of the video inputs, Instruction 16 will be sent whenever the unit detects a
change in the state of an input (in real-time).
For example, if input 3 is detected as invalid, the unit will send the HEX codes
10
If input 7 is detected as valid, then the unit will send HEX codes
10 87 85 81.
83
84
81
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LIMITED WARRANTY
Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the
following terms.
HOW LONGIS THE WARRANTY
Labor and parts are warranted for seven years from the date of the first customer purchase.
WHO IS PROTECTED?
Only the first purchase customer may enforce this warranty.
WHAT IS COVERED AND WHAT IS NOT COVERED
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by thewarranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
2. Any product, on which the serial number has been defaced, modified or removed, or on which the WARRANTY VOID
IF TAMPERED sticker has been torn, reattached, removed or otherwise interfered with.
3. Damage, deterioration ormalfunctionresultingfrom:
i) Accident, misuse, abuse, neglect, fire, water, lightning orotheractsofnature
ii) Product modification, orfailureto followinstructions supplied with theproduct
iii) Repairorattemptedrepairby anyonenot authorized byKramer
iv) Anyshipment oftheproduct(claims must bepresentedtothe carrier)
v) Removalorinstallationoftheproduct
vi) Anyothercause, whichdoes not relateto aproduct defect
vii) Cartons, equipment enclosures, cables or accessoriesusedinconjunctionwiththeproduct
WHAT WE WILLPAY FOR AND WHAT WE WILLNOT PAY FOR
Wewill pay laborand material expensesforcovered items.Wewill notpayforthefollowing:
1. Removal orinstallationscharges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility oftheKramerdealerfromwhomtheproduct was purchased.
3. Shipping charges.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty
coverage, and should be included in any shipment of the product. Please also include in any mailing a contact name,
company, address, and a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMITATION OFIMPLIED WARRANTIES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSION OFDAMAGES
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall
not beliable for:
1. Damage to otherproperty caused by defects inthis product, damages basedupon inconvenience, loss ofuseof theproduct, loss
oftime, commercialloss; or:
2. Any other damages, whether incidental, consequential or otherwise. Some countries may not allow limitations on how long an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations andexclusions maynot applytoyou.
Thiswarranty gives youspecificlegalrights, andyou may alsohaveotherrights, which varyfromplacetoplace.
NOTE:Allproducts returned to Kramerforservicemust havepriorapproval.Thismay be obtained fromyourdealer.
Thisequipment has been testedtodeterminecompliancewith therequirements of:
EN-50081:
"Electromagneticcompatibility(EMC);
genericemissionstandard.
Part 1: Residential, commercial and lightindustry"
"Electromagneticcompatibility(EMC)genericimmunitystandard.
Part 1: Residential, commercialand lightindustryenvironment".
FCC* Rules and Regulations:
EN-50082:
CFR-47:
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
CAUTION!
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or
modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the
equipment.
UsethesuppliedDCpowersupply to feed power to themachine.
Pleaseuserecommended interconnection cablestoconnect themachineto other components.
* FCCand CEapproved using STPcable(fortwisted pairproducts)
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For the latest information on our products and a list of Kramer
where updates to this user manual may be found.
We welcome your questions, comments and feedback.
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
Caution
2900-000540
3
PN:
Rev:
Kramer Electronics, Ltd.
E-mail: [email protected]
P/N: 2900-000540 REV 3
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