q
SUPPLY LED (Lights when "supply air temperature" is indicated.)
w
RETURN LED (Lights when "return air temperature" is indicated.)
e ALARM LED (Lights when alarm is generated.)
r R.H.LED (Lights when "relative humidity" is indicated.)
t COMP.LED (Lights when the compressor is running.)
y
DEFROST LED (Lights when the unit is under the defrosting operation.)
u
IN RANGE LED (Lights when the control temperature is in range.)
i DE-HUMID.LED (Lights when the controller is the
dehumidification control optional.)
o Temperature base (Used for the graphic chart indication
on the LCD.)
!0
Time base (Used for the graphic chart indication on the LCD.)