Planet Internet Camera ICA-110 User Manual page 50

When you enable RS485 function of the camera, the system will
provide the additional control buttons on the screen (as show
below).
You can use the Up, Down, Left, and Right buttons to move the
camera's lens to your desired position. Click the Home button to
return to the default home position.
When you select Popular protocol command setting in RS485
configuration window (see page43), you can use the Preset
Position pull-down menu to select one position, then click Go To
to move the camera's lens to your desired position.
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