15
PIN 12. DISK FULL (OUTPUT)
When HDD is full, it sends a signal to trigger next DQR record mode, if you install
another DQR. Under normal operation, the signal remains “High”. But when disk full,
DVR will send the “Low” signal.
PIN 13. REC START (INPUT)
This pin can accept the external trigger signal to activate record mode from external
device. When the external signal turn to “Low”, it will trigger DQR record mode. When
the external signal back to “High”, it will stop recording action.
The default normal operation remains “High”.
PIN 14. ALARM RESET (INPUT)
To connect wire from
ALARM RESET ( PIN 14 )
to
GND ( PIN 9 )
connector, it can
disable ALARM. An external signal to
ALARM RESET ( PIN 14 )
can be used to reset
both
ALARM OUTPUT
signal and DQR’s internal buzzer. When alarm has been
triggered, signal becomes “Low”, and it will stop all alarm activities. Under normal
operation, signal remains “High”.
PIN 15. EXTERNAL ALARM COM
Under normal operation COM connect with NC and disconnect with NO. But when
alarm triggered, COM disconnect with NC, and connect with NO.
3.4 Menu setup