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ADVANCED PROGRAMMING OPTIONS
Advanced programming display codes chart
You can customize several features of your thermostat. This chart shows which
features you can change and the codes associated with them. The codes will be
shown on the display when you follow the instructions.
Feature Configuration Code Change Indication
Fahrenheit to Celsius U1 ForC
backlighting U2* On or Of
keypad lockout U3 padlock
programmable or non-
programmable
U4 PornP
number of program
periods
U5 4or2
* Not available when batteries are installed.