To change pressure from PSI to Bar on TD1000 or TD1200 series

1. Press and hold the mute button for more than five seconds to enter the settings mode.
2. Use the temperature or backlight buttons to scroll through the pressure units psi, Kpa, bar, or Kg/cm2
3. When the desired pressure units are displayed, press no buttons for ten seconds to store the selection and exit settings mode or press the mute button again to move on to temperature units.