7) / -
Press “ ” button to show the 4 channel display modes.
Press “-” button to change the setting in the menu.
8) SEQ /+
Press “SEQ” button to activate the call monitor function, and press again to quit.
Press ”+” button to change the setting in the menu.
9) or POWER
Press this button long enough to turn on/off your DVR.
Note: Under the recording mode, please stop recording before turning off your DVR.