The inventor of the present invention has realized that, it usually takes a certain time period, such as about one minute and half, for the projector apparatus to turn off {HEAD ~ its power} when a user instruction for turning off {TAIL ~ the power} is received 
The inventor of the present invention has realized that , it usually takes a certain time period , such as about one minute and half , for the projector apparatus to turn off { HEAD ~ its power } when a user instruction for turning off { TAIL ~ the power } is received
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH