Kramer Electronics Car Amplifier VM 2HDCP User Manual

Kramer Electronics, Ltd.  
USER MANUAL  
Model:  
VM-2HDCP  
1:2 DVI Distributor  
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 now appear in 11 groups1 that are clearly  
defined by function.  
Thank you for purchasing your Kramer DigiTOOLS® VM-2HDCP 1:2  
DVI Distributor.  
The VM-2HDCP is ideal for:  
Multiple screen applications  
Rental and staging  
Each package includes the following items:  
VM-2HDCP 1:2 DVI Distributor  
Power adapter (12V DC)  
This user manual2  
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 cables3  
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  
2 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com  
1
         
Getting Started  
2.1 Quick Start  
This quick start chart summarizes the basic setup and operation steps.  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
2
 
Overview  
3
Overview  
The Kramer VM-2HDCP is an HDCP (High-Bandwidth Digital Content  
Protection)1 compatible 1:2 distribution amplifier for DVI-D (Digital)  
signals. Since high-resolution DVI signals are very sensitive to cable quality  
and to PCB layout, the VM-2HDCP uses a uniquely designed PCB which  
includes all buffering, conditioning and amplifying circuitry to provide two  
high-level output signals.  
In particular, the VM-2HDCP:  
Distributes signals having resolutions up to UXGA, including all  
HDTV formats  
Has a bandwidth of 1.65GHz  
Supports the DDWG DVI 1.0 standard  
Consists of a built-in re-clocking block that re-generates the DVI  
signal, so that several units may be cascaded  
Can read and store, in non-volatile memory, the EDID2 block  
from one of the outputs, so it can then provide the EDID  
information to the DVI source even if the display device is not  
connected  
Has I-EDIDPro™ Kramer Intelligent EDID Processing™, an  
intelligent EDID handling and processing algorithm that ensures  
Plug and Play operation for DVI systems  
Has three DVI-I connectors, which are compatible with all types  
of DVI cables  
Is a cost-effective solution for distributing the TMDS signals used  
for DVI, and uses state-of-the-art line drivers on both outputs  
3.1 About HDCP  
The High-Bandwidth Digital Content Protection (HDCP) standard3, protects  
digital video and audio signals transmitted over DVI or HDMI connections  
between two HDCP-enabled devices to eliminate the reproduction of  
copyrighted material. To protect copyright holders (such as movie studios)  
from having their programs copied and shared, the HDCP standard provides  
for the secure and encrypted transmission of digital signals.  
2 EDID is Extended Display Identification Data  
3 Developed by Intel  
3
         
Overview  
3.2 Defining EDID  
The Extended Display Identification Data (EDID1) is a data-structure,  
provided by a display, to describe its capabilities to the source. The EDID  
enables the VM-2HDCP 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.  
3.3 Recommendations for Best Performance  
Achieving the best performance means:  
Connecting only good quality connection cables, thus avoiding  
interference, deterioration in signal quality due to poor matching,  
and elevated noise levels (often associated with low quality  
cables)  
Avoiding interference from neighboring electrical appliances and  
positioning your VM-2HDCP away from moisture, excessive  
sunlight and dust  
1 Defined by a standard published by the Video Electronics Standards Association (VESA)  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
4
     
Your VM-2HDCP 1:2 DVI Distributor  
4
Your VM-2HDCP 1:2 DVI Distributor  
Figure 1: VM-2HDCP 1:2 DVI Distributor  
Figure 2: VM-2HDCP (Top Side Panel)  
Figure 3: VM-2HDCP (Lower Side Panel)  
5
       
Connecting a VM-2HDCP 1:2 DVI Distributor  
Table 1: VM-2HDCP 1:2 DVI Distributor Features  
#
Feature  
Function  
+12V DC connector for powering the unit  
Connect to the DVI acceptor 1  
1
2
3
4
5
6
12V DC  
OUTPUT1 DVI Connector  
OUTPUT2 DVI Connector  
INPUT DVI Connector  
INPUT LED  
Connect to the DVI acceptor 2  
Connects to the DVI source  
Lights when the input is active; blinks when the input is not valid  
OUT 1 LED  
LED lights when OUTPUT 1 is connected and active; LED blinks  
when selecting the EDID (see section 5.1)  
7
OUT 2 LED  
LED lights when OUTPUT 2 is connected and active; LED blinks  
when selecting the EDID (see section 5.1)  
8
9
ON LED  
Lights when the unit is powered  
EDID Button  
Press to read the EDID of the selected display (see section 5.1)  
5
Connecting a VM-2HDCP 1:2 DVI Distributor  
To connect the VM-2HDCP as illustrated in the example in Figure 4, do the  
following:  
1. Connect a DVI source (for example, a host computer) to the INPUT  
connector.  
2. Connect the OUTPUT connectors1 to one or both DVI acceptors, as  
follows:  
.
.
OUTPUT 1 connector to DVI acceptor 1 (for example, a  
projector)  
OUTPUT 2 connector to DVI acceptor 2 (for example, a display)  
3. Connect the 12V DC power adapter (wall transformer) to the 12V DC  
socket and connect the transformer to the mains electricity.  
4. Acquire the EDID (see section 5.1).  
1 Both outputs do not need to be connected  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
6
     
Connecting a VM-2HDCP 1:2 DVI Distributor  
Figure 4: Connecting a VM-2HDCP 1:2 DVI Distributor  
5.1 Acquiring the EDID  
Initially, the VM-2HDCP operates with the factory default EDID1. This lets  
you connect the power before connecting either of the acceptors or the  
source.  
You can acquire:  
The Default EDID (both output LEDs blink)  
The EDID from One Output (the relevant output illuminates)  
You can also acquire the Clone EDID which copies the EDID data from the  
acceptor bit-by-bit.  
1 The VM-2HDCP reads the EDID, which is stored in the non-volatile memory  
7
     
Connecting a VM-2HDCP 1:2 DVI Distributor  
5.1.1 Acquiring/Changing the EDID  
You can work with the default EDID or acquire or change an EDID via one  
of the connected outputs. Use the EDID Setup button to acquire the output  
EDID information.  
To acquire or change the EDID of a new output display:  
1. Connect the power supply.  
The ON LED lights.  
2. Connect the new output display device.  
3. Press and hold the EDID button for more than three seconds and release.  
The INPUT LED blinks and the OUT 1 LED and OUT 2 LED blink  
alternately.  
4. Press the EDID button again when the appropriate OUT LED lights, that is,  
to copy the EDID from the display connected to the DVI:  
.
OUT 1 connector, press the EDID button when the OUT1  
LED is on  
.
OUT 2 connector, press the EDID button when the OUT2  
LED is on  
In either case, the VM-2HDCP copies the EDID from the display. If no  
display is connected to the selected DVI output, the default EDID will be  
chosen.  
Note that during the EDID setup, the respective OUT LED blinks. When that  
output is connected, that OUT LED illuminates  
5.1.2 Acquiring the Clone EDID  
To acquire the Clone EDID, do the following1:  
1. Connect the new output display device (for example, to OUT 1).  
2. Disconnect the power supply.  
3. Reconnect the power supply while pressing the EDID button.  
The ON LED lights and the OUT 1 and OUT 2 blink alternately.  
4. Release the EDID button when the OUT 1 LED blinks.  
The Clone EDID is stored in the non-volatile memory when the OUT 1  
LED ceases to blink.  
1 This example refers to OUT 1. The same applies for OUT 2 if the acceptor is connected to OUT 2  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
8
     
Technical Specifications  
6
Technical Specifications  
Table 2 includes the technical specifications:  
Table 2: Technical Specifications1 of the VM-2HDCP 1:2 DVI Distributor  
INPUT:  
OUTPUTS:  
1 DVI, 1.2Vpp on a DVI Molex 24pin female connector; DDC signal 5Vpp (TTL)  
2 DVI, 1.2Vpp on DVI Molex 24pin female connectors; DDC signal 5Vpp (TTL)  
1.65Gbps  
BANDWIDTH:  
CONTROLS:  
POWER SOURCE:  
DIMENSIONS:  
WEIGHT:  
EDID button for selecting and storing EDID information  
12V DC, 180mA  
12.1cm x 7.18cm x 2.42cm (4.76” x 2.83” x 0.95”) W, D, H  
0.28kg (0.62lbs) approx.  
ACCESSORIES:  
OPTIONS:  
Power supply, mounting bracket  
RK-3T 19" rack adapter  
1 Specifications are subject to change without notice  
9
     
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)  
KRAMER: SIMPLE CREATIVE TECHNOLOGY  
10  
For the latest information on our products and a list of Kramer  
distributors, visit our Web site: www.kramerelectronics.com,  
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  
Kramer Electronics, Ltd.  
P/N: 2900-000268 REV 3  

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