In one example, a zoom in command is generated and transmitted when {TAIL ~ the camera based device} 115 is moved along {HEAD ~ the axis}, towards the display device 105 
In one example , a zoom in command is generated and transmitted when { TAIL ~ the camera based device } 115 is moved along { HEAD ~ the axis } , towards the display device 105
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH