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First Alert DVRAHD-0820 Manual

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Page 27
PTZ CONTROLS
Customizing Linear Scan Limit
The Linear Scan can be enabled to trigger the scan in the horizontal direction in the predefined range.
This function is supported by some certain models.
Calling Linear Scan
Follow the procedure to call the linear scan in the
predefined scan range.
1. Click the button PTZ in the lower-right corner of the
PTZ setting interface;
2. Click the button to show the one-touch function
of the PTZ control.
3. Click Linear Scan button to start the linear scan and
click the Linear Scan button again to stop it.
You can click the Restore button to clear the defined
left limit and right limit data and the dome needs to
reboot to make settings take effect.
One-touch Park
For some certain model of the speed dome, it can be configured to start a predefined park action (scan, preset, patrol
and etc.) automatically after a period of inactivity (park time).
1. Click the button PTZ in the lower-right corner of the PTZ setting interface;
2. Click the button to show the one-touch function of the PTZ control.
3. There are 3 one-touch park types selectable, click the corresponding button to activate the park action.
Park (Quick Patrol): The dome starts patrol from the predefined preset 1 to preset 32 in order after the park time. The
undefined preset will be skipped.
Park (Patrol 1): The dome starts move according to the predefined patrol 1 path after the park time.
Park (Preset 1): The dome moves to the predefined preset 1 location after the park time.
The park time can only be set through the speed dome configuration interface, by default the value is 5s.
4. Click the button again to inactivate it.
1. Enter the PTZ Control interface.
Menu > Camera > PTZ
2. Use directional button to wheel the camera to the
location where you want to set the limit.
Click Left Limit or Right Limit to link location to
corresponding limit.
The speed dome starts linear scan from the left
limit to the right limit, and you must set the left
limit on the left side of the right limit, as well the
angle from the left limit to the right limit should be
no more than 180º.
NOTE:
NOTE:
NOTE:
… 27 …


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