45 | Chapter 1 : DVR User’s Manual
3.2.3 Sensor
Type: Select from [OFF], [N.O], and [N.C].
Cam: Select the associated camera.
Notify: Click the down arrow button below Notify to select how to be alerted when a sensor is activated or a motion is
triggered. The system can generate a buzzer sound and/or popup the screen of the camera in alarm.
Preset: User can select which camera to move to a specific preset position, when a sensor is triggered. User should
setup the preset position. See section 3.2.6 PTZ for more information.
Multi-preset can be set with a single PTZ camera, so users can cover a multi-preset zone with a single PTZ camera.
Relay: Turn on or turn off the Relay Output.
Dwell Time: Set the time of recording when a sensor is activated. During the Dwell Time, cameras will record according
to the frame and alarm (relay) output set. The recording stops, and alarm output turns off when the dwell time elapses.
Relay contact can handle up to 24V/1A of other devices. If connected to a circuit that is
Over 24V/1A, the system may experience problems.
If the sensor does not operate properly, check the setting of the sensor type (N/O or N/C).
The alarm might not function if the actual connecting sensor type and the sensor type in the system setting are
inconsistent.
[CAMERA POP-UP] means that multi-screen live video mode will be switched automatically to single channel mode,
when an alarm is triggered. This single channel video will be the channel triggered by alarm.