Knox Video DIGI-88 - Manual (Page 19)

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Method 2: Manually connect HDMI displays to HDMI input ports
1. Power up the matrix. Connect the HDMI display that its EDID needs to be learned to any of
the HDMI INPUT1-INPUT8 port where your source device has trouble to show the picture
normally.
2. To learn the display’s EDID for source device connected to respective HDMI INPUT1-INPUT8
port, pull both pins of respective DIP switch SW1-SW8 up-and-down to stay at ON[!]-ON[!]
and wait for about 5 seconds to complete the EDID learning process. You DON’T NEED to
pull up the DIP switch again unless you want to learn another display’s EDID by pulling both
DIP switch pin-1 & pin-2 of SW1-SW8 up-and-down one more time.
3. Repeat step1 & step2 if you want to learn the EDID of this HDMI display on any other HDMI
input ports that have same trouble playing the audio/video properly.