K R A ME R E LE CT R O N IC S L T D .
Contents 1 Introduction 1 2 2.1 2.2 Getting Started Achieving the Best Performance Recycling Kramer Products 2 2 2 3 3.1 4 Overview Defining the VM-73 Multiformat 1:3 Distribution Amplifier Installing in a Rack 3 3 5 5 5.
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.
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 cables • Use only the power cord that is supplied with this machine i 2.1 Go to http://www.kramerelectronics.com to check for up-to-date user manuals, application programs, and to check if firmware upgrades are available (where appropriate).
3 Overview The VM-73 is a high-performance distribution amplifier for HDMI, computer graphics, component video, s-Video and composite video signals. The unit takes one input of each video format and distributes each input to three identical outputs. Specifically, the VM-73 features: • • Multiformat operation: composite, component, Y/C, XGA and HDMI High bandwidth (-3dB) of 430MHz for composite video, 440MHz for Y/C, 430MHz for component video, 405MHz for XGA and 2.
4 Figure 1: VM-73 Multiformat 1:3 Distribution Amplifier Front Panel # VM-73 – Overview 4 Feature Function 1 POWER LED Lights green when receiving power 2 HDMI INPUT Connector Connects to the HDMI source 3 HDMI OUT Connectors Connect to the HDMI acceptors (1 to 3) 4 PC INPUT 15-pin HD Connector Connects to the computer graphics source 5 PC OUT 15-pin HD Connectors Connect to the computer graphic acceptors (1 to 3) 6 COMP.
4 Installing in a Rack This section provides instructions for rack mounting the unit.
5 Connecting the VM-73 i Always switch off the power to each device before connecting it to your VM-73. After connecting your VM-73, connect its power and then switch on the power to each device. To connect the VM-73 as illustrated in the example in Figure 2: 1. Connect the HDMI input source (for example, a DVD player) to the HDMI INPUT connector. 2. Connect the three HDMI OUT connectors to up to three HDMI acceptors, (for example, LCD televisions with speakers). Not all outputs need to be connected.
11. Connect the power cord to the mains electricity (not shown in Figure 2). 12. Turn the POWER on.
5.1 Reading the EDID The VM-73 PC input directly reads the EDID from the PC OUT 1 output (see Section 5.1.1), and allows the HDMI input to read the EDID of the HDMI outputs (see Section 5.1.2). 5.1.1 Reading the EDID from PC OUT 1 The EDID information of the output connected to PC OUT 1 goes directly to the PC input via pins 12 and 15 of the 15-pin HD connectors. 5.1.
6 Technical Specifications Composite Y/C Component XGA HDMI INPUTS: 1 composite on a BNC connector 1 s-Video on a 4-pin connector 1 component (Y, Pb/Cb, Pr/Cr) on 3 RCA connectors 1 XGA on a 15-pin HD connector 1 HDMI on an HDMI connector OUTPUTS: 3 composite on BNC connectors 3 s-Video on 4-pin connectors 3 component (Y, Pb/Cb, Pr/Cr) on 3 RCA connectors each 3 XGA on 15-pin HD connectors 3 HDMI on HDMI connectors OUTPUT LEVEL: 1.8Vpp 1.9Vpp 2.0Vpp 2.
10 VM-73 - 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. Web site: www.kramerelectronics.com E-mail: info@kramerel.
