Honeywell CT3600 Owner's Manual - Page 11

STEP 7. MOUNT THE THERMOSTAT A. ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. B. PRESS LOWER EDGE OF CASE TO LATCH. M12703 STEP 8. CUSTOMIZE YOUR THERMOSTAT Your Honeywell CT3600/CT3697 Thermostat comes preset to the most commonly used settings. The settings are: - Gas or oil forced air furnace. - Smart Response technology on. - Temperature °F. - 12-hour clock format. You can change any or all of these settings. IMPORTANT Always press the keys with your fingertip or a similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard. ❑ Press and hold down , , and , simultaneously until the screen shows. You now can change any of these settings. System Type (Feature Number 4) System type options are: - 1 = Gravity or steam system. 11 FEATURE NUMBER OPTION M13330 69-1642