the current temperature calibration setting will flash in the lower display in this time
4. Press D to move the flashing between the temperature and barometric pressure value display units as shown below
to return the currently flashing value to its initial factory default setting , press a and c at the same time .OFF will appear at the flashing location for about one second, followed by the initial default value.
6. prees e to return to barometer/thermometer mode screen.