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