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