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REAR PANEL DESCRIPTION
5
MONITOR
QUAD
IN4
G4
IN3
G3
IN2
ALARM
OUT
OUT
1
2
3
4
1. ALARM
: It's 9 Pins D-SUB connector for alarm input-output , as -
This signal commands the unit to :
a. Go into full screen mode for single alarm or go into quad for Multiple
alarm .
b. Turn on the front panel indicator light which correspond to the alarm
camera .
c. The alarm out Relay (NC.C.NO.) active to trigger an external source
such as a VCR .
d. To reset the alarm function , by short circuit of "RESET" and "GND"
these 2 points , then the picture goes to QUAD again .
Alarm Connector
Pin Out : ( Rear View )
2. MONITOR OUT
: BNC connector for output signal to monitor . When connected, monitor
will display either quad screen or full screen as selected by the front
panel or by an alarm condition .
3. QUAD OUT
: BNC connector for output signal to video input of VCR . When connected,
VCR will receive quad video .
4. CAMERA INPUT : BNC connectors for four camera input signals to the unit by means of
coax cable .
- 3 -
G2
IN1
G1
12V
VCR
AC/DC
IN
LOOP
OUT
2
1
4 3
6
7
8
Alarm Reset
Alarm 1
Alarm1
Alarm3
Alarm 2
Alarm2
Alarm4
Alarm 3
Alarm 4
NC.
C. NO.
GND
Alarm Out
5. GAIN CONTROL
: It can be used to adjust the contrast for each camera input .
Any video system has several variables which affect picture brightness
and contrast .
There are -
a. Lens iris setting
b. Cable length / quality
c. Camera condition ( output level )
d. Monitor brightness and contrast setting
So before adjust the gain controls , check the above item .
* CQ4 , CQ4Z belongs to Auto Gain Control without this function .
6. POWER SUPPLY
: This unit can be operated on DC 12V or AC 12V from adaptor .
7. VCR IN
: Video input from VCR . Allows for viewing of VCR recordings through
The device either in normal or zoom mode .
* BQ4 , CQ4 are without this function .
8. LOOP OUT
: These connectors provide looping video signal from the corresponding
video input .
* BQ4 , BQ4AZ , CQ4 are without this function .
ALARM ACTIVITY :
Alarm1
Alarm2
Alarm input
CH 1
Monitor input
Full Screen
Alarm Out
NC. C. NO.
Alarm occur
- 4 -
CH 2
QUAD
Full Screen
Alarm
Duration
Alarm output relay active
Alarm off
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