If there is no video signal, {HEAD ~ the present invention} displays a predetermined pattern, thereby outputting a pleasant screen to {TAIL ~ a user} 
If there is no video signal , { HEAD ~ the present invention } displays a predetermined pattern , thereby outputting a pleasant screen to { TAIL ~ a user }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL