Button Function - Dostmann Humidcheck Mode D'emploi

MAX/MIN Button
LCD Display
Power ON/OFF Button
Backlight Button
MEAS Button
Battery Cover

Button Function

Power Button
Turn the meter power ON or OFF.
MEAS Button
Press the MEAS button, the instrument will start
measuring. Release this button the HOLD icon will
appear on the LCD indicating that the current reading
is being held.