Kramer Electronics, Ltd.
Contents Contents 1 2 2.1 3 3.1 3.2 3.3 4 5 5.1 5.2 5.3 5.
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.
Getting Started 2.1 Quick Start This quick start chart summarizes the basic setup and operation.
Overview 3 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.
Overview • Supports standard, enhanced, high-definition video, and multi-channel digital audio1 on a single cable • Transmits all ATSC HDTV standards and supports 8-channel digital audio, with bandwidth to spare to accommodate future enhancements and requirements • Benefits consumers by providing superior, uncompressed digital video quality via a single cable2, and user-friendly connector • Is backward-compatible with DVI (Digital Visual Interface) • Supports two-way CEC communication between the video sou
Defining the VM-24HC 2 Input 1:4 HDMI Distributor 4 Defining the VM-24HC 2 Input 1:4 HDMI Distributor Figure 1 and Table 1 define the VM-24HC.
Using the VM-24HC 2 Input 1:4 HDMI Distributor 5 Using the VM-24HC 2 Input 1:4 HDMI Distributor This section describes: • Connecting the VM-24HC (see Section 5.1) • Selecting an Active Input (see Section 5.2) • Connecting a PC/Controller via RS-232 (see Section 5.3) • Acquiring the EDID (see Section 5.4) 5.1 Connecting the VM-24HC 2 Input 1:4 HDMI Distributor Figure 2: Connecting theVM-24HC 2 Input 1:4 HDMI Distributor To connect1 the VM-24HC as illustrated in the example in Figure 2: 1.
Using the VM-24HC 2 Input 1:4 HDMI Distributor 2. Connect the HDMI OUTPUT connectors1 to up to 4 HDMI acceptors using Kramer HDMI copper cables. In this example2, connect: OUTPUT 1 to display device 1 (for example, an LCD TV) OUTPUT 2 to display device 2 (for example, an LCD TV) OUTPUT 3 to display device 3 (for example, an LCD TV) OUTPUT 4 to display device 4 (for example, a plasma display) 3. If required, connect a PC and/or controller to the RS-232 port (see Section 5.2). 4.
Using the VM-24HC 2 Input 1:4 HDMI Distributor 1 The EDID can be acquired from: • One output • The default EDID • Up to four connected outputs using the Auto-mix Mode2 Repeatedly pressing the EDID SELECT button cycles through the EDID sources in the following order3: • Output 1 (Output 1 LED lights) • Output 2 (Output 2 LED lights) • Output 3 (Output 3 LED lights) • Output 4 (Output 4 LED lights) • Default EDID (all LEDs light) • Auto-Mix EDID (the LEDs flash in a running sequence) To store the selected ED
Technical Specifications 6 Technical Specifications Table 2 includes the technical specifications1 of the VM-24HC 2 Input 1:4 HDMI Distributor. Table 2: VM-24HC Technical Specifications INPUTS: OUTPUTS: BANDWIDTH: COMPLIANCE WITH HDMI STANDARD: CONTROLS: INDICATOR LEDs: POWER SOURCE: OPERATING TEMPERATURE: STORAGE TEMPERATURE: HUMIDITY: DIMENSIONS: WEIGHT: ACCESSORIES: OPTIONS: 7 2 HDMI connectors 4 HDMI connectors Supports up to 2.
Default EDID 8 Default EDID Monitor Model name............... VM24HC Manufacturer............. KRM Plug and Play ID......... KRM0023 Serial number............ 505-707455010 Manufacture date......... 2009, ISO week 10 Filter driver............ None ------------------------EDID revision............ 1.3 Input signal type........ Digital Color bit depth.......... Undefined Display type............. RGB color Screen size.............. 520 x 320 mm (24.0 in) Power management.........
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) NB: NTSC refresh rate = (Hz*1000)/1001 CE audio data (formats supported) LPCM 2-channel, 16/20/24 bit depths at 32/44/48 kHz CE vendor specific data (VSDB) IEEE r
Communication Protocol 9 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 DESCRIPTION DEFINITION FOR SPECIFIC INSTRUCTION INPUT OUTPUT NOTE 1 SWITCH VIDEO Set equal to video input which is to be switched (0 = disconnect) Set equal to video output which is to be switched (0 = to all the outputs) 2, 15 31 REQUEST WHETHER PANEL IS LOCKED 0 0 16 61 IDENTIFY MACHINE 1 - video machine name 2 - audio machine name 3 - video software version 4 - audio software version 5 - RS422 controller nam
LIMITED WARRANTY We warrant this product free from defects in material and workmanship under the following terms. HOW LONG IS 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 the warranty: 1.
For the latest information on our products and a list of Kramer distributors visit 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. Web site: www.kramerelectronics.com E-mail: info@kramerel.
