ELRO FA420DVR 4-ch digital recorder + 500 gb hard disc USERS MANUAL - Manual (Page 20)

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Figure 3.9 Alarm Output
【
Configuration
】
Generates alarm signals in accordance with the configuration
；
【
Manual
】
Regardless of the current status of the channel, selecting “Manual” will generate alarm
signals on the corresponding channel
；
【
STOP
】
Regardless of the current status of the channel, selecting “STOP” will stop the output of
alarm signals on the corresponding channel.
3.5.5 PTZ Control
Control Pan/Tilt/Zoom connected to the device. Use desktop quick launch to enter the menu.
Control interface is shown as in Figure 3.10. Functions supported: Control PTZ directions, step
length, zoom, focus, aperture, operating preset, point-to-point patrol, trace, boundary line scanning,
auxiliary switch, light switch, and horizontal rotation.
Note 1. Before operating, make sure the A/B cables of the dome are properly connected to the DVR
A/B jacks
；
2. Setup PTZ parameters in
【
Main Menu
】
>
【
System Setup
】
>
【
PTZ Setup
】 ；
3. Functions supported by PTZ depend on the features supported by PTZ protocol.
Figure 3.10 PTZ Control