13
In real-time monitor mode it works as left/right direction key.
Playback mode, counter clockwise to forward and clock wise to
backward.
Up/down direction key.
Playback mode, turn the inner dial to realized frame by frame
playback. (Only applies to some special versions.)
To connect USB storage device, USB mouse and etc.
It becomes on when system is recording.
It is to receive the signal from the remote control.
Remote control
indicator light
Remote control indicator light.
If there is Fn indicator light, current status indicator light is null.
HDD abnormal
indicator light
The indicator light is on when there is no HDD, HDD error
occurred or HDD capacity is below specified threshold value.
2.1.3 NVR 724 Series
The front panel is shown as in Figure 2-5.
Figure 2-5