On the back of your remote you will find a button (should be placed right next to your index finger) which can be used to toggle the Air Mouse ON and OFF.
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On the Center Wheel of the remote you will find a key with a mouse logo which you can use to toggle the Air Mouse ON and OFF.
Press the Mouse key on the remote to turn On the Air Mouse function.
While the Air Mouse is active, the Mouse key works as the OK/Left-Click.
To turn off the Air Mouse function you should click on the Microphone button on the top right corner of the remote.