
Kramer Electronics, Ltd. 
USER MANUAL 
Model: 
VM-24HDCP 
2 Input 1:4 DVI Distributor 

Contents 
Contents 
1  Introduction  1 
2  Getting Started  1 
2.1  Quick Start  2 
3  Overview  3 
3.1  About HDCP  3 
3.2  Defining EDID  4 
3.3  Recommendations for Best Performance  4 
4  Your VM-24HDCP 2 Input 1:4 DVI Distributor  4 
4.1  Using the IR Transmitter  6 
5  Installing in a Rack  7 
6  Connecting the VM-24HDCP  8 
6.1  Connecting via RS-232 (for example, using a PC)  10 
6.2  Operating the VM-24HDCP  10 
6.3  Using the EDID Buttons  10 
6.3.1  Acquiring / Changing the EDID from One Output  11 
6.3.2  Acquiring the Default EDID  12 
6.3.3  Acquiring the Auto-mix EDID from the Connected Outputs  12 
7  Technical Specifications  13 
8  Communication Protocol  14 
Figures
Figure 1: VM-24HDCP 2 Input 1:4 DVI Distributor  5 
Figure 2: Connecting a VM-24HDCP 2 Input 1:4 DVI Distributor  9 
Figure 3: Connecting a PC  10 
Tables 
Table 1: VM-24HDCP 2 Input 1:4 DVI Distributor Features  6 
Table 2: The EDID Modes  11 
Table 3: VM-24HDCP Techn ical Specifications  13 
Table 4: Protocol Definitions  14 
Table 5: Instruction Codes for Protocol 2000  15 

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 o f our line, making the best even better! Our 
1,000-plus different models now appear in 11 groups
1
 that are clearly 
defined b y function. 
Thank you for purchasing your Kramer VM-24HDCP 2 Input 1:4 DVI 
Distributor, whic h is ideal for: 
•  Home theater, presentation and multimed ia a pplications 
•  Rental and staging 
The package includes the following items: 
•  VM-24HDCP 
•  Power cord 
•  Infrared remote control transmitter 
2
•  This user man ual
2  Getting Started 
We recommend that you: 
•  Unpack the eq uipment carefully and save the original box and 
packaging materials for possible future shipment 
•  Review the contents of t his user man ual 
3
•  Use Kramer high-performance high-resolution cables
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; GR OUP 7: 
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Conne ctivity; GROUP 10: Accessories 
and Rack Adapters; GROUP 11: Sierra Products 
2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com  
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com