Planet Technology DVR-471 - Manual (Page 24)

DVR-471 / DVR-1671 User Guide 24
3.5 Relay Output
The relay device should be set to NO (Normal Open) and it will change to NC (Normal
Close) when an event has been triggered.
Enter EVENT -> RELAY OUTPUT menu to select the Relay type which connected with
DVR.
DVR provides a relay output interface; the following events will trigger off the relay signal:
RELAY SELECT
ALARM: Sensor Input
LOSS: Video Loss
MOTION: Motion Detection
RELATY OUTPUT TIME: 1~30 sec.
According to the time set, the buzzer starts beeping while the event is happening.
RELAY SELECT
HDD ERROR: Once hard disk has failed, it will change the relay device to NC.
POWER (NC): Please set the relay device to NC so that once power-loss occurs, it will
change to NO.
USER: The relay output can be manully changed. To change NO to NC, press FUNC and
then press F(+). Changing NC to NO, press FUNC and then press F(-).
REC: Once recording has stopped, it will change the relay device to NC.
NOT USED: Disable relay output function.