Approach Tech DVR-3704T - Manual (Page 17)

3.4 KEY LOCK OPERATIONS
To activate the key lock function:
Press the “v” button for at least 3 seconds to activate the key lock function. The device will
emit a “beeping” sound signal and show the message of “KEY LOCK”.
To deactivate the key lock function:
Press the “v” button for at least 3 seconds to deactivate the key lock function. The device will
emit a “beeping” sound signal and show the message of “KEY UNLOCK”.
3.5 TRIPLEX OPERATIONS
The Live, Play and Record modes act simultaneously to comprise the Triplex function.
The three modes played together comprise the “Triplex” function.
CH1 CH2 CH3
CH4
CH1
CH2 CH3 CH4
08/25/2006
06:27:20
0 8/24/2006
05:24:14
PLAY MODE
LIVE &
RECORD
MODES
15