BenQ FP91R User Manual page 46

Always keep the monitor controller in the attached dock while it is not in use.
To store the controller, follow the procedures below:
1. Disconnect the cable attached on the controller from the controller jack on the monitor.
2. Wind the cable in direction into the space between rubber suckers around the sensor and the
controller.
3. Place the controller plug in place as illustrated, so that the plug won't get damaged.
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