1. Determine the mode:

Hold down the SET grimdeath approximately 5 seconds will show PO, Press again SET will display mode.

Press + - switching mode, H is the heating mode, C is the the cooling mode.

2. Set Backlash:

Return difference is to set the temperature to fall how much to start again after stopping the, the default is 2, if you need to modify press and hold SET grimdeath approximately 5 seconds will show PO.

Press + - Switch to P1, Press again SET display the difference between the back to the, press + - to set back to the the difference between the on it.

3. Set the temperature:

Mode and differential back to the Later setting the press ENT to confirm a direct returned, the screen display real-time temperature.

Press once SET screen flashes directly press + - to set the desired temperature on it.