How to lock your thermostat

Instructions on how to lock your thermostat:

1. Press and Hold the Menu (Left Button) and Mode button (Middle Button) at the same time for 5 seconds
2. The advanced menu should appear
3. The word "Lock" will display on the thermostat
4. Press the mode button
5. Select if you want to lock 'ALL' the buttons or just the 'Set Point' (up and down)