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Resumen del manual
2. Audio may not be heard on all output devices/displays. These symptoms usually arise from video resolution / audio format incompatibilities between the devices / displays connected to the splitter. TheGefenToolBox 1:4 Splitter for HDMI with FST can use one of two methods to acquire and retransmit an EDID to the A/V source device telling it about the kind of output devices that are connected to the Splitter, thus curing the incompatibility. Either the Splitter can obtain EDID from display devices and pass it on to source devices (External Mode), or the Splitter can use a factory- programmed EDID that is compatible with most display devices on the market (Internal Mode). 7 EDID MANAGEMENT EDID Mode Selection 1. EXTERNAL MODE: To use this mode, set the EDID Mode Switch on the front panel to the EXT position. In External EDID mode, the Splitter directly retrieves EDID data from each connected A/V display device and builds a new EDID created from the highest common video resolution that all display devices can use together and the highest audio capability. This new EDID is sent back to the source device. If sufficient EDID data is unavailable from external display devices or EDID- related problems are encountered, Internal EDID Mode should be used to provide a single compatible EDID for all connected devices. 2. INTERNAL MODE: To use this mode, set the EDID Mode Switch on the front panel to the INT position. This mode will use a preset EDID that is stored in the GefenToolBox 1:4 Splitter for HDMI with FST from the factory. This pre-programmed standard EDID data structure is compatible with most A/V display devices. All resolutions and audio formats specified in this EDID will be passed to the source device. See page 11 for a complete listing of the resolutions and audio formats listed in this EDID. NOTE: All other HDMI capable devices/displays connected to the output ports MUST be compatible with at least one resolution/audio format specified in this EDID. It is recommended to set, on the source device, a common resolution and audio format shared by all attached devices/displays. This is to ensure a compatible signal is output to all connected devices/displays. 8 EDID MANAGEMENT Audio Channel Selection The GefenToolBox 1:4 Splitter for HDMI with FST 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 multichannel 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 with FST can use either of the following settings for audio format support: 1. 2 Channel: This setting will limit the audio formats listed in the pre- programmed EDID to 2 channel LPCM. See page 11 for a full listing of the audio formats in this mode. To use this mode, set the Audio Selection Switch on the front panel to the 2 CH position. This mode is useful in scenarios where all output devices/displays are HDTV only support 2 channel LPCM. This setting will ensure that all connected devices will receive and produce sound. 2. Multi-Channel: This setting will enable all common audio formats in the pre- programmed EDID. See page 11 for a full listing of the audio formats in this mode. To use this mode, set the Audio Selection Switch on the front panel to the Multi CH position. This mode is useful in scenarios where the output devices/displays are varying devices (i.e. HDTV display and audio receivers). Please note that sound may not be heard from all output devices/displays if a shared common audio format is not used by the source device. 9 EDID MANAGEMENT External EDID Management The 1:4 Splitter for HDMI with FST 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. The 1:4 Splitter for HDMI with FST distributes a single source to multiple output devices. This involves reading EDID data from more than one device. Management of the EDID data is important to maintain compatibility between all devices. Display Connections • If a display is not connected to Output 1, then no EDID changes are made, meaning that the previous EDID information will be used. This state will be in effect until a display is connected to Output 1 and the Splitter is power- cycled. • EDID is copied from Output 1 to all other outputs. The audio block will be copied from Output 1. EDID-copying is performed only when the Splitter is reset or power-cycled. 3DTV Support • 3D signals are supported if a 3DTV is connected to Output 1. Deep Color • Deep Color will be disabled if one of more other displays connected to the Splitter do not support Deep Color. 10 EDID MANAGEMENT Internal EDID Specifications The table...
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