best modes for carrying out the present invention	{{邽߂̍ŗǂ̌`
operation manual screen display function	ʕ\@\
operation manual screen display means	ʕ\i
display changing function	\ؑ֋@\
image display apparatus	摜\u
operation manual screen	
screen display function	ʕ\@\
display changing means	\ؑ֎i
main control function	吧@\
the present invention	{
operation input unit	͕
main control means	吧i
first embodiment	P̎{̌`
operation screen	
control program	vO
control unit	䕔
display unit	\
storage unit	L
touch panel	^b`pl
predetermined	
embodiment	{̌`
area	̈
icon	ACR
user	[U