4.
LOCK
：
Press this button to lock all the buttons on the panel,
press again to unlock. The red LED will illuminate when the
button is locked, on the contrary, turn dark when unlock.
5.
HDMI output selection button area
：
HDMI output selection button 1 to 8
：
Press to select the output
from 1 to 8.
All button for HDMI outputs
：
Press to select all of the outputs
from 1 to 8.
6.
HDMI input selection button area
：
HDMI input selection button 1 to 8
：
Press to select the input
from 1 to 8.
7.
PTP button
：
Press to mirror all inputs and outputs (e.g.
output 1 to input1, output 2 to input2 and so on).
8.
EDID control area
：
Menu button
：
Press to enter EDID set mode.
Enter button
：
Press to con firm and save the setting.
UP button
：
Press to change segment's value.
Down button
：
Press to change segment's value.
Note: The EDID mode table
Page 5 of 13
