Avtech AVC792 - Page 4

FRONT AND REAR PANELS
-4-
1.2 Rear Panel
INPUT
HI-IMPEDANCE
LOOP
1
EXTERNAL I/O
LAN
ACT.
LINK
DC 19V
INPUT LOOP INPUT LOOP INPUT
43
CALLMONITOR
IN OUT
1
2
1
2
IN
AUDIO
LOOP
2 4
3
4
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING : TO REDUCETHE RISKOF ELEC TRIC SHOCK,
DONOT REMOVE COVER (OR BACK).
NO U SER-S ERVICE ABL E PARTS I NSIDE .
REFER SERVICING TO QUALIFIE D
SERVICE PERSONNE L.
IR
VGA
1 2 3 4 5 6
7 8 9 10 11 12
1) 75Ω / HI-IMPEDANCE
When using Loop function, please switch to HI-IMPEDANCE. When you don’t use Loop function, please switch to
75Ω.
2) INPUT (1 ~ 4CH): Connect to video sources, such as cameras.
LOOP (1 ~ 4CH): Video output.
Note: The DVR will automatically detect the video system of the camera, please make sure that the
cameras are properly connected to the DVR and power-supplied before the DVR is turned on.
3) MONITOR
Connect to a CRT monitor for video output.
4) CALL
Connect to a call monitor.
5) Audio IN (1 / 2 / 3 / 4)
Connect to audio sources, such as cameras equipped with the audio function.
When users start recording, the audio input will also be recorded with corresponding video channel.
Note: The audio source connected to the “Audio 1” will be recorded with the video of the “CH1”.
The audio source connected to the “Audio 2” will be recorded with the video of the “CH2”.
The audio source connected to the “Audio 3” will be recorded with the video of the “CH3”.
The audio source connected to the “Audio 4” will be recorded with the video of the “CH4”.
6) Audio OUT
Connect to a monitor or speaker with 1 mono audio output.
7) VGA
Connect to the TFT monitor directly
8) IR
Connect the IR receiver extension line for remote control.
9) EXTERNAL I/O
Insert the supplied 15 PIN DSUB to this port for connecting external devices (external alarm, etc).
For detailed I/O port PIN configuration, please refer to “APPENDIX 1” in the user manual.
10) LAN
Connect to Internet by LAN cable.
11) LINK / ACT LED light:
When the Internet is activated, the LED light will be on.
12) DC 19V
Connect to the supplied adapter.