VS-44UHD Quick Start Guide
This guide helps you install and use your VS-44UHD for the first time.
Go to www.kramerav.com/downloads/VS-44UHD to download the latest user manual and check if firmware
upgrades are available.
Scan for full manual
Step 1: Check what’s in the box
VS-44UHD 4x4 UHD Matrix Switcher
1 Quick start guide
1 Power cord
4 Rubber feet
1 Set of rack ears
Step 2: Get to know your VS-44UHD
#
Feature
Function
1
IN (PATTERN)
SELECTOR Buttons
Press to select the input (1 to 4) to switch after selecting an output (also used for storing machine
setups in the STO-RCL modes and for selecting a pattern in the Pattern mode).
2
OUT (MUTE) SELECTOR
Buttons
Press to select an output (1 to 4) to which the input is routed. Also used for storing machine presets.
3
MUTE/PATTERN Button
Press to view the current pattern status and select the output/s to which a pattern is routed.
Press to mute audio or video on a selected output when D-AUDIO and/or VIDEO buttons are
pressed (lit).
4
ALL Button
Press to perform an action on all outputs (for example setting Mute mode, Pattern mode and so on).
For switching, press ALL and then a specific IN button to route the selected input to all outputs. For
example, press ALL and then IN 2 to route input 2 to all the outputs.
5
STO and RCL Buttons
Press STO to store the current switching setting to a preset button.
Press RCL to recall the switching setting from a preset button.
6
ARC
For setting ARC mode on the inputs (see Step 6).
7
D-AUDIO Button
Press to enable digital audio routing. When pressed together with VIDEO, the digital audio is routed
together with the video signal.
8
VIDEO Button
Press to select video inputs. When pressed together with D-AUDIO, video is switched together with
audio.
9
LOCK Button
Press and hold to toggle between locking and releasing the front panel buttons.
Press to save the following setups: HDCP (On/Off), ARC, Fast Switch and Switch mode.
10
EDID Button
For setting the EDID on the inputs (see Step 6).
11
OUTPUT/INPUT
7-segment LED Display
Displays the selected inputs switched to the outputs (marked above each input).
VS-44UHD Quick Start (P/N: 2900-300889QS REV 1)
P/N:
2 9 0 0 - 3 0 0 8 8 9 QS
Rev:
1
#
Feature
Function
12
INPUT HDMI Connectors
Connect to HDMI sources (from 1 to 4).
13
OUTPUT HDMI Connectors
Connect to HDMI acceptors (from 1 to 4).
14
PROG Mini USB Port
Use for firmware upgrade or communication (connecting to a PC or a serial controller).
15
SETUP DIP-Switches
N/A
16
5V/2A USB Port
Can be used to charge an external device.
17
RESET Button
Press and hold to reset settings to factory default values.
18
ETHERNET RJ-45 Port
Connect to your LAN.
19
OPTIONAL Terminal Block Connectors
N/A
20
RS-232 3-pin Terminal Block
Connectors
Connect to a PC or a serial controller.
21
Mains Power Connector
Connect to the mains power.
22
Mains Power Fuse
Fuse for protecting the device.
23
Mains Power Switch
Switch for turning the device on or off.
Step 3: Install the VS-44UHD
Install VS-44UHD using one of the following methods:

Remove the three screws from each side of the unit, reinsert those screws through the
rack ears and mount on a 19" rack.

Attach the rubber feet and place the unit on a flat surface.
Step 4: Connect the inputs and outputs
Always switch OFF the power on each device before connecting it to your VS-44UHD. For best results, we recommend that you
always use Kramer high-performance cables to connect AV equipment to the VS-44UHD.
RJ-45 Pinout:
For the Ethernet connector, see the wiring diagram below:
PIN EIA /TIA 568B
PIN
Wire Color
1
Orange / White
2
Orange
3
Green / White
4
Blue
5
Blue / White
6
Green
7
Brown / White
8
Brown
For optimum range and performance use the recommended Kramer
cables available at www.kramerav.com/product/VS-44UHD.
Step 5: Connect the power
Connect the power cord to VS-44UHD and plug it into the mains electricity.
Safety Instructions
Caution:
There are no operator serviceable parts inside the unit.
Warning:
Use only the power cord that is supplied with the unit.
Warning:
Do not open the unit. High voltages can cause electrical shock! Servicing by qualified personnel only.
Warning:
Disconnect the power and unplug the unit from the wall before installing.
See www.KramerAV.com for updated safety information.
Step 6: Operate the VS-44UHD via:
Web pages:
RS-232 and Ethernet:
RS-232/Ethernet
Baud Rate:
115,200
Parity:
None
Data Bits:
8
Command Format:
ASCII Protocol 3000
Stop Bits:
1
Example (Route input 1 to output 1):
#VID1> 1<cr>
Ethernet Parameters
IP Address:
192.168.1.39
Default TCP Port #:
5000
Subnet Mask:
255.255.0.0
Default UDP Port #:
50000
Default Gateway:
192.168.0.1
Full Factory Reset
Front panel:
Front panel buttons: power off the device, press and hold the
LOCK, EDID and STO buttons simultaneously for 3 seconds while
powering the device, and then release.
Protocol 3000:
“#factory” command.
Web Pages:
In the Device Settings page, click Reset.
Front panel buttons:
The 7-segment display shows the status of VS-44UHD during normal operation and displays device information.
Generally, to switch an input to an output, select the switching mode and then:

Press an output button and then an input button.

Press ALL to route a selected input to all outputs.
To set the switching mode:

Press VIDEO to switch the video signal of a selected input to the selected output.

Press D-AUDIO (HDMI embedded audio signal) to switch the digital audio signal of a selected input to the selected output.

Press VIDEO + D-AUDIO simultaneously to switch the video and digital audio signals of a selected input to the selected
output.

Press MUTE/PATTERN to switch the pattern signal of a selected input to the selected output.

Press ARC, an input button, and then an output button. The selected output port sources its ARC to the selected input port
ARC.
7-segment display example
When in Video mode, the 7-segment display shows the input-output status:
In this example: Input 1 is routed to output 1, input 3 is routed to output 2, a pattern is routed to output 3, and output 4 is set to mute.
Read and store the EDID via the front panel buttons
To read the EDID from the output:
1. Press EDID+STO.
The EDID and STO button LEDs light. The 7-segment display shows the current EDID status.
2. Press one or more input buttons or press ALL, the corresponding 7-segment LEDs flash.
3. Press an output button that is connected to a display. The 7-segment LEDs show the output number from which the EDID is
read.
4. Press EDID. Wait approx. 5 seconds. The EDID of the display is copied to the input port/s and the device exits EDID mode.
To revert to the default EDID:
1. Press EDID+STO.
The EDID and STO button LEDs light. The 7-segment display shows the current EDID status.
2. Press one or more input buttons or press ALL, the corresponding 7-segment LEDs flash.
3. Press MUTE/PATTERN. The 7-segment LED flashes and shows “d”.
4. Press EDID. Wait approx. 5 seconds. The default EDID is copied to the input port/s and the device exits EDID mode.
Use the VS-44UHD Web pages
Switching: Set input and output parameters (HDCP support, switching speed, and so on), select switching modes, set test patterns,
perform switching operations, and so on.
Device Settings: View device parameters (model, name, serial number, and so on), set network parameters, perform firmware
upgrade, and reset to factory defaults.
Authentication: Set password for Admin.
Timeout Settings: Set the timeout per output when no signal is detected.
Auto Switch Settings: Set switch mode (manual, last connected, or priority), select the ports included in the last connected mode,
and set the priority order.
Step-in Settings: Control Step-in devices that are connected to the inputs. Select a device (that is connected to a VS-44UHD input),
set the input signal type, and set the outputs to which the input signal is switched when the Step-in button is pressed (on the Step-in
device).
EDID Management: Set the default EDID or read the EDID from an output or file to one or more of the inputs.
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