York LX series Owner's Manual page 12

Get to Know Your Thermostat
Display Features
Am
18:88
Pm
Setup Step
188
Day Night
Morning
1
5 Evening
Fan On
Outdoor
188
AuxHeat icon
Indicates 2nd stage electric strip heat is being used when the
thermostat is programmed for Heat Pump operation. Only the
Aux icon will appear during Cool to Dehumidify to indicate Reheat
operation.
Lo icon
Indicates the lowest recorded outdoor temperature for the day.
Hi icon
Indicates the highest recorded outdoor temperature for the day.
1
5
Fan On icon
Indicates constant, continuous fan operation.
When Fan On is not lit - indicates the fan will only operate when
necessary to heat or to cool.
Program ONOFF
2nd3rd
188
Stage
H
C L S
OO ET
A H S
UX EAT ET
88
Lo
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