: Press and hold the △ and ▽ keys simultaneously for 10 seconds . A dot or specific indicator will appear on the display.

The Intronics Digital Room Thermostat allows you to program a schedule for your heating and cooling system. To program the thermostat:

Backlit display, 3 fan speeds, compressor time delay, and non-volatile memory (EEPROM) that saves settings during power loss. 2. Installation Guide