Datavideo PTC-285TW Instruction Manual page 51

5. When the tracking target is lost, the PTC-285T will stay at the position
where the tracking target is lost for a few seconds and then go back to the
initial position. When the tracking target appears again, the PTC-285T will
track the target automatically.
Note: Please pay attention that when the AI Auto-Tracking function is turned
on, the PTC-285T will not receive the control commands from other controllers,
which is the normal situation.
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