DVR systems DVRxx04LE-S(U) Series - Manual (Page 28)

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Jog(inner dial)
Up/down direction key.
Playback mode, turn the inner dial to realized frame by frame
playback. (Only applies to some special versions.)
USB port To connect USB storage device, USB mouse.
Remote control
indication light
ACT Remote control indication light
Status indication
light
Status If there is Fn indication light, current status indication light is null.
Power indication
light
PWR Power indication light
Record light 1-32
For 4/8/16-channel series
It becomes on when system is recording.
For 32-channel series
When the light flashes slowly, it means the corresponding
channel of 1-16 channel is recording now.
When the light flashes fast, it means the corresponding channel
of 17-32 channel is recording now. When the light becomes on,
It means the corresponding 2-channel is recoding now.
IR Receiver IR It is to receive the signal from the remote control.
2.2 Rear Panel
The 4/8/16-channel series DVR rear panel is shown as below. See Figure 2-3.
Figure 2-3
Please refer to the following sheet for detailed information.
1 Power button
2 Power input port
3 Fan
4
Loop video output
5 1 st to 4 th -channel audio input
6 Video input
7 DB25 port (5 th to 16 th -channel audio input port)
8 Audio output
9 Bidirectional talk input port