Source 1 S1-TBSU304-S Owner's Manual & Installation Instructions page 9

Get To Know Your Thermostat
Display Features
8
6 Desired Set Temperature
Indicates desired room temperature(s). Also displays
the highest and lowest temperatures for the day.
7 Wi-Fi icons
One dot indicates the thermostat recognizes the wireless module.
The full icon indicates the thermostat is currently connected to
the Local access point, via the optional Wi-Fi Module.
8 Setup Step icon
Indicates the step number when the thermostat
is in the setup mode.
9 2nd Stage icon
Indicates what stage of cooling or heating is currently energized.
10 icon
Indicates the keypad has been locked.
9
2nd
18:88
Am
Stage
Pm
188
Setup Step
Day Night
Morning
Evening
Fan On
Outdoor
188
188
C L
OO
Override
A H
UX EAT
88
4
6
10
7
6