Gefen 1:4 Splitter for HDMI® GTB-MHDMI1.3-144 GTB-MHDMI1.3-144-BLK User Manual www.gefentoolbox.
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CONTENTS 1 Introduction 2 Operation Notes 3 Features 4 Panel Layout 5 Panel Descriptions 6 Connecting And Operating The GefenToolBox 1:4 Splitter for HDMI 7 EDID Management 7 EDID Mode Selection 8 Audio Channel Selection 9 External EDID Management 10 Internal EDID Specification 11 Fast Switching Technology 12 Wall Mounting Instructions 13 Specifications 14 Warranty
INTRODUCTION Congratulations on your purchase of the GefenToolBox 1:4 Splitter for HDMI. Your complete satisfaction is very important to us. About Gefen We specialize in total integration for your home theater, while also focusing on going above and beyond customer expectations to ensure you get the most from your hardware. We invite you to explore our distinct product line. Please visit http://www.gefen.
OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE GEFENTOOLBOX 1:4 SPLITTER FOR HDMI • EDID contains the A/V capabilities of a display device in regards to video resolutions and audio formats supported. This information is used by the source device to determine the format of the A/V signal it outputs. The GefenToolBox 1:4 Splitter for HDMI has advanced EDID management features to ensure complete compatibility with all sources and display devices. See pages 7-10 for more details.
FEATURES HDMI 1.3 Features • • • • 225 MHz (up to 12 bit YUV 444 @ 1080p) Deep Color Dolby TrueHD and DTS-HD Master Audio Lip-Sync Features • Simultaneously displays a single Hi Def source on up to four (4) HDTV displays without signal loss. • Maintains high resolution video - beautiful, sharp HDTV resolutions up to 1080p and 1920x1200@60 Hz. • 3DTV Pass-Through • Fast Switching Technology for quick and responsive HDMI signal routing.
PANEL LAYOUT 1 2 3 7 5 4 4 6
PANEL DESCRIPTIONS 1 HDMI Output Ports 1-4 Connect HDMI-compliant display device(s) to any of these output ports. 2 Audio Channel Selection Switch This switch will modify the EDID to specify the number of supported audio channels when using the INTERNAL EDID mode. This setting will not affect the EDID information when using the EXTERNAL EDID mode. 3 EDID Mode Selection Switch This switch will control the location of the EDID that will be sent to the source device. The options are EXTERNAL and INTERNAL.
CONNECTING AND OPERATING THE GEFENTOOLBOX 1:4 SPLITTER FOR HDMI How to Connect the GefenToolBox 1:4 Splitter for HDMI 1. Use the supplied HDMI cable to connect the source device to the HDMI input port of the GefenToolBox 1:4 Splitter for HDMI. 2. Use additional user-supplied HDMI cables to connect up to 4 HDMIcompliant displays to the output ports on the 1:4 Switcher for HDMI. 3. Connect the included 5V DC power supply to the power receptacle on the Splitter. 4.
EDID MANAGEMENT EDID Mode Selection 1. EXTERNAL MODE: See page 9 for details on using the External EDID. 2. INTERNAL MODE: In Internal EDID Mode, a generic EDID is used for all connected devices. This is useful when sufficient EDID data is unavailable from display devices or EDID-related problems are encountered. The generic EDID is compatible with most A/V equipment on the market. Set the EDID Mode Switch on the front panel to the INT position.
EDID MANAGEMENT Audio Channel Selection The GefenToolBox 1:4 Splitter for HDMI features a switch that will modify the supported audio formats listed in the pre-programmed EDID. This feature is useful for limiting the output of the source device to either 2 or multi-channel audio formats. NOTE: This selector switch will only affect the pre-programmed EDID in the INTERNAL (INT) EDID Mode. The GefenToolBox 1:4 Splitter for HDMI can use either of the following settings for audio format support: 1.
EDID MANAGEMENT External EDID Management The GefenToolBox 1:4 Splitter for HDMI features EDID Management. Before the source can send video or audio signals to the display, the source devices reads the EDID (Extended Display Identification Data) of each device connected to an output. The EDID contains information about what type of A/V data that the source can send to each display. GefenToolBox 1:4 Splitter for HDMI distributes a single source to multiple output devices.
EDID MANAGEMENT Internal EDID Specifications The table below lists the settings that comprise the built-in Internal EDID data structure: Video Data Block 1080p@60Hz Audio Data Block Speaker Allocation xvYCC 2-channel: 2-channel: xvYCC 709 LPCM 2CH FL/FR xvYCC 601 Multi-channel: Multi-Channel: LPCM 2CH LPCM 8CH AC-3 6CH DTS 7CH Dolby Digital+ 8CH Dolby TrueHD 8CH DTS-HD 8CH MAT(MLP) 8CH RLC/RRC RL/RR FC LFE FL/FR 1080p@50Hz 1080i@60Hz (native) 1080i@50Hz 10
FAST SWITCHING TECHNOLOGY FAST SWITCHING TECHNOLOGY Fast Switching Technology Fast Switching Technology (FST) is a Gefen software implementation for HDMI 1.3 products. FST was created to improve the inherited lengthy HDMI authentication process, based on the HDMI and HDCP specifications. FST provides quicker A/V source switching and greatly improves the overall A/V system behavior and performance when more than one HDTV display is used in the system setup.
WALL MOUNTING INSTRUCTIONS The GefenToolBox 1:4 Splitter for HDMI should be mounted vertically in a wall or cabinet with wood/drywall screws as shown in the diagram above. There should be an inch or two of clearance between the edges of the unit and any walls or vertical surfaces to allow for enough clearance for insertion and retraction of cables at the HDMI connectors. For installation on a drywall surface, use a #6 drywall screw.
SPECIFICATIONS Single Link Bandwidth ............................................................................. 225 MHz Pixel Clock / Speed .................................................................................. 165 MHz Maximum Video Resolution ................................... 1080p, 1920x1200@60Hz, 2K Input Video Signal .............................................................................. 1.2 volts p-p Input DDC Signal ..............................................................
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Rev C2 1.1A 20600 Nordhoff St., Chatsworth CA 91311 1-800-545-6900 818-772-9100 www.gefentoolbox.com Pb fax: 818-772-9120 support@gefentoolbox.
