Kramer Electronics Car Amplifier VM 22H User Manual

KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODEL:  
VM-22H  
2x1:2 HDMI Switcher/DA  
P/N: 2900-000663 Rev 3  
 
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 video, audio, presentation, and broadcasting professionals  
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 now appear in 11 groups that are clearly defined  
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;  
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 and GROUP 11:  
Sierra Products.  
Congratulations on purchasing your Kramer VM-22H 2x1:2 HDMI Switcher/DA,  
which is ideal for the following typical applications:  
Home theater, presentation and multimedia applications  
Rental and staging  
VM-22H - Introduction  
1
 
 
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  
to check for up-to-date user manuals, application programs, and to check if  
firmware upgrades are available (where appropriate).  
i
2.1  
Achieving the Best Performance  
To achieve the best performance:  
Use only good quality connection cables (we recommend Kramer high-  
performance, high-resolution cables) to avoid interference, deterioration in  
signal quality due to poor matching, and elevated noise levels (often  
associated with low quality cables)  
Do not secure the cables in tight bundles or roll the slack into tight coils  
Avoid interference from neighboring electrical appliances that may adversely  
influence signal quality  
Position your Kramer VM-22H away from moisture, excessive sunlight and  
dust  
This equipment is to be used only inside a building. It may only be  
connected to other equipment that is installed inside a building.  
!
2
VM-22H - Getting Started  
 
   
2.2  
2.3  
Safety Instructions  
Caution:  
There are no operator serviceable parts inside the unit  
!
Warning: Use only the Kramer Electronics input power wall  
adapter that is provided with the unit  
Warning: Disconnect the power and unplug the unit from the wall  
before installing  
Recycling Kramer Products  
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC  
aims to reduce the amount of WEEE sent for disposal to landfill or incineration by  
requiring it to be collected and recycled. To comply with the WEEE Directive,  
Kramer Electronics has made arrangements with the European Advanced  
Recycling Network (EARN) and will cover any costs of treatment, recycling and  
recovery of waste Kramer Electronics branded equipment on arrival at the EARN  
facility. For details of Kramer’s recycling arrangements in your particular country  
VM-22H - Getting Started  
3
 
   
3
Overview  
The VM−22H is a distribution amplifier for HDMI signals. The unit reclocks and  
equalizes one of two selectable input signals and distributes it to two identical  
outputs.  
In particular, the VM-22H features:  
A maximum data rate of 6.75Gbps (2.25Gbps bandwidth per graphic  
channel  
I-EDIDPro™ Kramer Intelligent EDID Processing™, an intelligent EDID  
handling and processing algorithm that ensures Plug and Play operation for  
HDMI systems  
Kramer Equalization & re-Klocking™ Technology that rebuilds the digital  
signal integrity to travel longer distances  
3D pass-through  
HDMI support for Deep Color, x.v.Color™, Lip Sync, CEC  
HDCP compliance  
Selected input and active output LED indicators  
The VM-22H is 5V DC fed and is housed in a DigiTOOLS® enclosure.  
Defining the VM-22H 2x1:2 HDMI Switcher/DA  
This section defines the VM-22H.  
3.1  
4
VM-22H - Overview  
 
   
Figure 1: VM-22H 2x1:2 HDMI Switcher/DA  
#
Feature  
Function  
1
5V DC  
+5V DC connector for powering the unit  
Connects to the HDMI acceptor 2  
Connects to the HDMI acceptor 1  
Connects to the HDMI source 2  
Connects to the HDMI source 1  
2
3
4
5
6
HDMI OUT2 Connector  
HDMI OUT1 Connector  
HDMI IN 2 Connector  
HDMI IN 1 Connector  
REMOTE IR  
The yellow LED illuminates when receiving signals from the  
Infrared remote control transmitter  
7
EDID SETUP Button  
Press briefly to determine the type of EDID stored in the non-  
volatile memory. Press and hold to select the desired EDID  
setup and then release to acquire EDID (see Section 5)  
8
9
IN SELECT Button  
Press to select the input. The relevant IN LED illuminates  
Illuminates when input 1 is selected  
IN 1 LED  
10 IN 2 LED  
Illuminates when input 2 is selected  
11 OUT 1 LED  
Illuminates when output 1 is connected and active (also  
illuminates or blinks during EDID setup, see Section 5)  
12 OUT 2 LED  
Illuminates when output 2 is connected and active (also  
illuminates or blinks during EDID setup, see Section 5)  
13 ON LED  
Illuminates when receiving power  
VM-22H - Overview  
5
 
 
4
Connecting the VM-22H  
Always switch off the power to each device before connecting it to your  
VM-22H. After connecting your VM-22H, connect its power and then  
i
switch on the power to each device.  
To connect the VM-22H as illustrated in the example in Figure 2:  
1. Connect the HDMI source (for example, a DVD player) to the HDMI  
IN 1 connector.  
2. Connect the HDMI source (for example, a DVD player) to the HDMI  
IN 2 connector.  
3. Connect the HDMI OUT connectors to up to two HDMI acceptors, as follows:  
.
.
HDMI OUT 1 connector to an LCD TV  
HDMI OUT 2 connector to a plasma display  
4. Connect the 5V DC power adapter to the power socket and connect the  
adapter to the mains electricity.  
5. Press the EDID SETUP button to acquire or change the EDID information  
(see Section 5).  
Figure 2: Connecting the VM-22H 2x1:2 HDMI Switcher/DA  
6
VM-22H - Connecting the VM-22H  
 
   
5
Acquiring the EDID  
This is usually done only once, when the machine is being set up in an installation.  
Once acquired, the EDID is saved in non-volatile memory and further acquisition is  
not necessary.  
Initially, the VM-22H operates with the factory default EDID. This lets you connect  
the power before connecting one of the acceptors or sources.  
You can acquire the EDID from:  
One output (the relevant output illuminates)  
The default EDID (both output LEDs blink)  
Two connected outputs, the auto-mix mode (both output LEDs illuminate)  
The EDID acquired is a weighted average of all the connected outputs. For example, if  
several displays with different resolutions are connected to the outputs, the acquired  
EDID supports all the resolutions, as well as other parameters included in the EDID.  
When pressing the EDID SETUP button briefly, the OUT LEDs indicate which type  
of EDID was last acquired. If the:  
OUT 1 LED illuminates, the OUT 1 EDID is stored in the non-volatile  
memory  
OUT 2 LED illuminates, the OUT 2 EDID is stored in the non-volatile  
memory  
OUT 1 and OUT 2 LEDs blink, the Default EDID is stored in the non-volatile  
memory  
OUT 1 and OUT 2 LEDs illuminate, the Auto-Mix EDID is stored in the non-  
volatile memory  
To acquire the EDID, do the following:  
1. Connect the power.  
2. Connect the output or outputs from which you want to acquire the EDID.  
VM-22H - Acquiring the EDID  
7
 
 
3. Press and hold the EDID SETUP button to select the desired EDID.  
The OUT LEDs illuminate in the following cycle: OUT 1, OUT 2, both flash  
(default) and both illuminate (auto-mix).  
4. Release the button when reaching the desired set up.  
The EDID is now acquired.  
If you set the machine to acquire the EDID from an output that is not connected, the  
default EDID is acquired.  
8
VM-22H - Acquiring the EDID  
 
6
Technical Specifications  
INPUTS:  
2 HDMI connectors  
OUTPUTS:  
2 HDMI connectors  
MAX. DATA RATE:  
6.75Gbps (2.25Gbps per graphic channel)  
Supports HDMI and HDCP  
COMPLIANCE WITH HDMI  
STANDARD:  
CONTROLS:  
EDID SETUP button, input select button  
IN 1, IN 2, OUT 1, OUT 2, and ON LEDs  
5V DC, 910mA  
INDICATOR LEDs:  
POWER CONSUMPTION:  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
0° to +40°C (32° to 104°F)  
-40° to +70°C (-40° to 158°F)  
10% to 90%, RHL non-condensing  
12cm x 7.15cm x 2.44cm (4.7" x 2.8" 0.96") W, D, H  
0.3kg (0.67lbs) approx.  
DIMENSIONS:  
WEIGHT:  
INCLUDED ACCESSORIES:  
Power supply, bracket installation kit, infrared remote  
control transmitter  
OPTIONS:  
HDMI/HDMI male-to-male cables  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
VM-22H - Technical Specifications  
9
 
 
10  
VM-22H - Technical Specifications  
 
For the latest information on our products and a list of Kramer distributors,  
visit our Web site 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 and servicing  
!
P/N:  
Rev:  
2900- 000663  
3
 

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