Our 1,000-plus different models now appear in 11 groups that are clearly defined by function. Thank you for purchasing your Kramer VM-24HC 2 Input 1:4 HDMI Distributor which is ideal for: • Home theater, presentation and multimedia applications •...
Overview Overview Each high quality VM-24HC accepts one of two HDMI inputs and distributes the selected signal to up to four outputs. The VM-24HC features: • Support for up to 2.25Gbps bandwidth per graphic channel • I-EDIDPro™ Kramer Intelligent EDID Processing™ – Intelligent EDID handling &...
) is a data-structure, provided by a display, to describe its capabilities to an HDMI source. The EDID enables the VM-24HC 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.
Figure 1 Table 1 define the VM-24HC. Figure 1: VM-24HC 2 Input 1:4 HDMI Distributor Rear Panel Table 1: VM-24HC 2 Input 1:4 HDMI Distributor Front and Rear Panel Features Feature Function IR Receiver IR signal sensor for the IR Remote Control...
INPUT 1 and INPUT 2 connectors, respectively. 1 Switch off the power on each device before connecting it to your VM-24HC. After connecting your VM-24HC, switch on its power and then switch on the power on each device...
• Press the INPUT SELECTOR button to toggle between inputs 1 and 2 Connecting a PC/Controller via RS-232 You can connect a PC or serial controller to the VM-24HC using the RS-232 connection. Note that a null-modem adapter/connection is not required.
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Using the VM-24HC 2 Input 1:4 HDMI Distributor The EDID can be acquired from: • One output • The default EDID • Up to four connected outputs using the Auto-mix Mode Repeatedly pressing the EDID SELECT button cycles through the EDID sources in the following order •...
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Default EDID 1920 x 1080p at 60Hz - HDTV (16:9, 1:1) 1920 x 1080i at 60Hz - HDTV (16:9, 1:1) 1280 x 720p at 60Hz - HDTV (16:9, 1:1) [Native] 720 x 480p at 60Hz - EDTV (16:9, 32:27) 720 x 480p at 60Hz - EDTV (4:3, 8:9) 720 x 480i at 60Hz - Doublescan (16:9, 32:27) 720 x 576i at 50Hz - Doublescan (16:9, 64:45) 640 x 480p at 60Hz - Default (4:3, 1:1)
Communication Protocol Communication Protocol The VM-24HC is compatible with Kramer’s Protocol 2000 (version 0.50). This RS-232/RS-485 communication protocol uses four bytes of information as defined below. The default data rate is 9600 baud, no parity, 8 data bits and 1 stop bit.
Communication Protocol Table 5: Instruction Codes for Protocol 2000 INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION NOTE DESCRIPTION INPUT OUTPUT SWITCH VIDEO Set equal to video input Set equal to video output which is to 2, 15 which is to be switched be switched (0 = disconnect) (0 = to all the outputs)
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1. Any product which is not distributed by us 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.
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For the latest information on our products and a list of Kramer distributors 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: 2900-000717 REV 1...
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