Surveillance Systems 4CH MPEG4 DVR Bedienungsanleitung Seite 10

4) CALL
Connect to CALL monitor to show the channel display one by one.
When any alarm is triggered, CALL monitor will show the image of the triggered channel for a period of time.
5) AUDIO IN
Connect to audio sources, such as cameras equipped with the audio function.
When users start recording, the audio input will also be recorded.
6) AUDIO OUT
Connect to a monitor or speaker with 1 mono audio output.
7) USB (Model 3, 4 & 5 only)
To quickly backup or upgrade firmware/OSD, you can insert a compatible USB flash drive into this USB port.
Before using the USB flash drive, please use your PC to format the USB flash drive as "FAT32" first.
Note: For the list of compatible USB flash drives, please refer to "APPENDIX 2 COMPATIBLE USB FLASH
DRIVE BRAND" at page 57.
8) IR (Model 3, 4 & 5 only)
Connect the IR receiver for remote control.
9) EXTERNAL I/O
Insert the supplied 15PIN DSUB to this port for connecting external devices (external alarm, PTZ camera, etc).
For detailed I/O port PIN configuration, please refer to "APPENDIX 1 PIN CONFIGURATION" at page 56.
10) VGA (Model 4 & 5 only)
Connect to a LCD monitor directly.
11) LAN
Connect to Internet by LAN cable.
12) LINK ACT.
When your DVR is connected to the Internet, this LED will be on.
13) DC 19V
Connect to the supplied adapter.
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FRONT AND REAR PANELS