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1.7.4 Dip Switch for EDID & Audio Settings (SW1 – SW4)
DIP Switch Position
Video
Audio
Description
PIN # 1
PIN # 2
OFF
OFF
Up to 1080p
Surround
Default Mode 1 1 – EDID up to 1080p video & surround
sound audio output up to 7.1ch (DTS-HD Master &
Dolby TrueHD)
OFF
ON
Up to 1080p
Stereo 2
Default Mode 2 – EDID up to 1080p video and stereo
audio for basic compatibility among HDTVs
ON
OFF
Up to
720p/1080i
Stereo
Safe Mode 3 – EDID up to 720p/1080i video and stereo
audio for basic compatibility among HDTVs
ON
ON
Bypass 4
Bypass 4
EDID Learning Mode 5 – for learning EDID from the
display while playing any received HDMI audio format
1 Factory default setting of [SW1]-[SW4] is pin-1 at OFF [
] & pin-2 at OFF [
] for 1080p video and surround sound
audio.
2 If the HDTV shows video but without audio, please try to set audio mode to stereo.
3 If you encounter any unsolved audio/video output problem during system installation, please turn any [SW1]-[SW4]
to pin-1 at ON [
] & pin-2 at OFF [
] for safe mode to select the system EDID up to 720p(1080i) video and stereo
audio for system check. However, the safe mode cannot be initiated if your HDMI source is set to enforce 1080p
output. In this case, please reconfigure your HDMI source to all resolution output for troubleshooting.
4 Bypass means the matrix will maintain playing the original format of HDMI signals in video and perhaps audio. By
setting at this mode, the users may encounter compatibility issue among different kinds of HDMI sources and
displays. If you cannot get the audio and/or video output normally at the system installation, please change the
DIP switch setting to default mode or even safe mode to verify the functionality of the device.
5 To learn the EDID of HDMI display for respective HDMI source devices, please see the [EDID Learning] section in the
next page for more information