HDMI 8x8 Matrix Switcher User Guide
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and displays are connected to the matrix switcher, they share the EDID/DDC
information with the matrix switcher. The communication solution is as follows:
Figure 6: EDID communication
The EDID database includes the most common display data (but not all), due to
capability and firmware limitations. You can manually refresh the EDID data to
update the EDID database.
EDID management of the matrix switch
The RS232 commands for EDID management of the HDMI 8x8 matrix switch
include: ”EDIDMInit.” and ”EDIDM[X]B[Y].” (Note the period at the end of the
command.)
When the "EDIDMInit." command is sent, all connected displays display
blank for two to three seconds, and then recover. The EDID management
resets to the factory default. The HDMI 8x8 matrix switcher sends the
RS232 feedback command “EDIDMInit.”
You can also restore the matrix EDID to factory default by pressing INITIAL
on the front panel.
When the “EDIDM[X]B[Y].” command is sent to the HDMI matrix switcher,
the matrix learns the EDID of output [X] to input [Y]. The switch sends the
feedback "EDIDM:[X]To[Y].
Note:
If the output[X] does not connect to an active display, the EDID
management takes no action.
