FYI: I found it
1) Function display
Shows the function names.
1 Touch the source icon and then touch
“SOURCE OFF” to turn source off.
When the source icon is not displayed, you
can display it by touching the screen.
2 Touch “A.MENU” and then touch
“INITIAL” to display the function names.
The function names are displayed and operable
ones are selected.
When “A.MENU” is not displayed, you can
display it by touching the screen.
To return to the previous display, touch
To return to the display of each source, touch
Switching the auxiliary setting
It is possible to use auxiliary equipment with navigation
unit. Activate the auxiliary setting when
using auxiliary equipment connected to navigation
1 Touch “AUX” in the INITIAL menu.