HONDA P-81ACRD - Manual (Page 102)

 P ress “S tart“ to begin touch screen calibration .
 P ress and hold the “+“ mark on the screen for a brief moment then relea se.
 As the mark moves around the screen continue to press and hold briefly until the s creen
reads “New calibration settings have been mea sured“
 Touch screen calibration is now complete.
 Touch the screen again to exit calibration
B rightness:
S ource display
Automatic dimmer options
B rightness Tab selected
Manual brightness options
Automatic
 T he Automatic D immer options tab allows the user to s et times for the brightness to
change.
 S elect the time you wish the dimmer to adjust in the upper location
 S elect the brightness of the screen adjustment in the location directly below the time
 T he first setting will affect the brightness in the morning and should be set to
approximately the same time as sunrise.