Radio Thermostat CT80 Operation Manual page 13

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CALIBRATE
Your thermostat was accurately calibrated at the factory to ±1° F of actual ambient
temperature. You do have the option, however, to change the display temperature to match that of a
previous thermostat, or to match another thermostat already in your home, from ±1 - 9°F.
To change your Thermostat Calibration:
1. Press MENU and then touch CALIBRATE.
2. Use the + / - buttons to adjust the displayed temperature up or down, as desired.
3. The DELTA FACTOR that appears on the screen will also automatically increase or decrease
for each 1°F adjustment. The large display will show the modified temperature reading that will be
displayed on the HOME screen in normal operation.
4. Press HOME to return to the Home screen.
LCD Screen CONTRAST can be
adjusted.
To change LCD Screen CONTRAST
From the CALIBRATE screen:
1. Select CONTRAST and adjust by
touching the on-screen < and > controls
for best viewing.
2. Press HOME to return to the Home
screen.
NIGHT LIGHT turns on/off the night light
function of the backlight.
Calibrate controls
CALIBRATE
DELTA
FACTOR
-2
ACTUAL
TEMP
77
o
DISPLAYED TEMP
<CONTRAST 5>
[NIGHT LIGHT]
12:30pm WED 77
o
12
- 24 CLOCK
o
F
BACK>
MENU
13
PG

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