Control panel
1.
Home: Android system home page.
2.
Back: Go back or return to menu.
3.
Menu: Show or hide menu.
ECO: Switch to ECO, Auto or Standard mode.
4.
5.
Source: Show or exit from the list of signal sources.
6.
VOL+: Increase volume.
7.
VOL-: Decrease volume.
8.
PC Power: Turn on/off OPS computer.
9.
Touch port 1 only supports 2m USB cable.
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