Approach Tech DVR-3704T - Manual (Page 10)

18 █ (Stop) button:
Press to stop playing back a recorded video from a hard disk and the LED will emit green light.
19 button:
Press to start recording video into a hard disk while in the live display mode and the LED will emit
green light. Press again for at least 3 seconds to stop the recording.
20 POWER button:
Press this button for at least 3 seconds to switch off. Press again to activate the device.
21 (disk) Indicator:
The indicator shows the operation status of the unit’s hard-disk drives. The green light indicates the
hard-disk drive is storing or retrieving data.
22 USB port:
This is used for system software updating and archiving/accessing critical images.
Note: When turning on the DVR, a message of “SYSTEM INITIALIZING” will appear. The user can press and
hold the “^” button to change to the PAL system; or press and hold the “v” button to change to the NTSC
system.
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