LOCKSTATE LS-90 Operation Guide User Manual
Page 16
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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 (±1-5°C).
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 (or 0.5° C) adjustment. The large display will show the modified temperature reading that
will be displayed on the HOME screen and used as the new room temp.
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.
MENU
Calibrate controls
1 2 : 3 0 pm
W ED
CALIBRATE
DISPLAYED TEMP
<CONTRAST 5> BACK>
DELTA
FACTOR
-2
A C T U A L
T E M P
7 7
.
o
F
7 7