Sensaphone 1800 - Manual (Page 39)

Chapter 4: Zone Programming
37
CONFIGURE TEMPERATURE SCALE
The 1800 can read temperature in degrees Fahrenheit or Celsius.
The default is degrees Fahrenheit.
To change the Temperature Scale:
1. Press the SENSOR ON/OFF key.
2. Press the F/C key.
The 1800 will say “degrees F” or “degrees C” to indicate the
current setting. Repeat the key sequence to change.