Mitsubishi Electric PAR-U02MEDA Instruction Book page 53

Function settings
▌ Invalid item setting (option settings)
Button operation
The energy-save control assist function can be
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set to deactivate during vacancy at the specified
time periods on the specified days or when the
brightness sensor detects "Light" or "Dark."
To specify time periods and days, touch [Day and
time] from the list. (See step 2 below.)
To set the detection conditions for the brightness
sensor, touch [With Brightness sensor] from the
list. (See step 3 below.)
These two different types of settings can be made
in combination. The energy-save control assist
function will be deactivated when one of the
conditions for the above items is met.
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