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 2.3 3 3.1 Getting Started Achieving the Best Performance Safety Instructions Recycling Kramer Products Overview Defining the VM-4Hxl 1:4 HDMI Distributor 2 2 3 3 4 4 4 Installing in a Rack 6 5 Connecting the VM-4Hxl 7 6 6.1 6.2 6.
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 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).
2.2 Safety Instructions ! 2.3 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.
3 Overview The Kramer VM-4Hxl is a high-quality 1:4 HDMI distributor that accepts an HDMI input and distributes the signal to four outputs, allowing one or more of the outputs to be connected to receiving devices, thus making it a versatile, reliable component in a video system. The VM-4Hxl distributes signals having resolutions up to UXGA, including all HDTV formats. In particular, the VM-4Hxl features: • A maximum data rate of 6.75Gbps (2.
VM-4Hxl – Overview Figure 1: VM-4Hxl 1:4 HDMI Distributor Front Panel # Feature Function 1 POWER Switch Illuminated switch for turning the unit ON or OFF 2 EDID READ Button Press to read the EDID of the selected display 3 EDID SELECT Button Select the desired display for EDID information 4 OUTPUTS LEDs LEDs light when an output(s) is connected and active; LEDs flash when selecting EDID (see Section 6) 5 INPUT HDMI Connector Connects to the HDMI source 6 OUTPUT HDMI Connectors Connect to
4 Installing in a Rack This section provides instructions for rack mounting the unit.
5 Connecting the VM-4Hxl i Always switch off the power to each device before connecting it to your VM-4Hxl. After connecting your VM-4Hxl, connect its power and then switch on the power to each device. To connect the VM-4Hxl as illustrated in the example in Figure 2: 1. Connect an HDMI source (for example, a DVD player) to the INPUT connector. 2.
Figure 2: Connecting the VM-4Hxl 1:4 HDMI Distributor 8 VM-4Hxl - Connecting the VM-4Hxl
6 Acquiring an EDID The VM-4Hxl initially operates with the default EDID. This means that you can turn ON the power before connecting any of the acceptors or the source. You can acquire the EDID by sending the: • EDID from a selected output to the input (see Section 6.1) • Default EDID to the input (see Section 6.2) • Auto EDID to the input (see Section 6.3) The auto EDID is an adjusted calculation of the EDIDs of all the connected outputs. 6.
6.3 Acquiring the Auto EDID To acquire the Auto EDID, do the following: 1. Press the SELECT button several times until the OUTPUT LEDs flash in sequence. 2. Press the READ button. The READ button illuminates. The auto EDID is stored in the non-volatile memory when the READ button no longer illuminates as well as the output LEDs.
7 Technical Specifications INPUT: 1 HDMI Connector OUTPUTS: 4 HDMI Connectors MAX. DATA RATE: 6.75Gbps (2.
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.