4.2.8 Calling Linear ScanFollow the procedure to call the linear scan in the predefined scan range.Steps:1. Click the button PTZ in the lower-right corner of the PTZ setting interface;Or press the PTZ button on the front panel or click the PTZ Control icon in the quick setting bar toenter the PTZ setting menu in live view mode.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 toreboot to make settings take effect.4.2.9 One-touch ParkFor 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).Steps:1. Click the button PTZ in the lower-right corner of the PTZ setting interface;Or press the PTZ button on the front panel or click the PTZ Control icon in the quick setting bar toenter the PTZ setting menu in live view mode.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 thepark 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.NOTEThe park time can only be set through the speed dome configuration interface, by default the value is5s.4. Click the button again to inactivate it.32