Brand
Model
Capacity
Speed
Seagate
ST3120023A
120GB
7200rpm
Seagate
ST380020A
80GB
7200rpm
Maxtor
6Y120L0
120GB
7200rpm
Maxtor
6Y080L0
80GB
7200rpm
5. Backup
6. Alarm control
The DVR Provides composite signal output for back up use . You can keep the image
data .and simply just connected BNC connector ,at the Back Panel of , with MONITOR
OUT Connector .Press VCR REC button , after decided what recording data need to
keep during Play-back Mode .
There are three types of alarms that the system can be configured to handle .They are
9
external alarm ,video lost alarm and alarm of motion detection .
When types of alarm above were triggered, it changes recording speed as alarm record-
ing speed .Video Lost alarm is enable as default and cannot be changed .The buzzer
will action and V.LOSS sign will be indicated on the screen
.
7
External alarm function only when DVR been set under recording mode .4 input ports to
receive signals from external alarm and 4 GND port for termination ,When external
alarmis triggered ,currents will be grounded through GND port to activate the external
alarm .
a) Text ALM will be displayed on OSD corresponding channel .
b) Relay action .
c).Recording speed will be switch from normal mode to alarm mode (refer to chapter 4
about recording setting ).
d).If setting A has been set in schedule recording ,will only perform recording when
alarm is triggered during schedule A period .
.External alarm connector
Terminal connector :
1
2
3
4
N.C N.O
GND COM
Pin 1-4 ------ ALARM 1-ALARM 4 Camera alarm input
GND
------ GND
N.C
------ Relay N.C, Alarm output N.C
COM
------ Relay COM
N.O
------ Relay N.O, Alarm output N.O
CHAPTER 5
Specifications
