The backlight can be turned on by turning the dial, or by
pushing the backlight button as shown in Fig. 1.
Display Temperature Setting
Your temperature setting can be set anywhere from
40°F to 90°F (4°C to 32°C) in heating and 45°F to 99°F
(7°C to 37°C) in cooling (T8775C only)
Turn the dial one click to display
the current temperature setting.
indicator points to Set
when the temperature setting is
displayed. If a change to the
temperature setting is not made
within five seconds, the mode
will switch to the room
indicator points to Room
when the room temperature is