4. Carry out a manual autozero (MP 110, MP 120, MP 130)
During measurement:
Remove pressure tubes and press "OK".
The instrument makes an autozero then returns to the measurement display.
5. Hold the measurement
During measurement, press briefly on "Hold/min/max" to hold measurement: "Hold" appears on the screen and
measurements are fixed.
Press again briefly "On/Off/Hold" to exit the Hold function.
6. Display minimum and maximum values
When measurements are hold:
Press "On/Off/Hold": maximum value measured since the last questioning is displayed on the top of the screen and
minimum value measured since the last questioning is displayed on the bottom of the screen.
7. Set the auto-off
The device is on and displays the measurements.
Press "Select" until "AUTO OFF" blinks on the screen and follow the instructions above:
8. Activate or deactivate the keys beep
The device is on and displays the measurements.
Press "Select" until "BEEP" blinks on the screen and follow the instructions above:
9. Batteries replacement
The instrument is OFF.
Remove the front part at the back of the instrument.
Replace used batteries by new batteries AAA LR03 1.5 V.
Replace the front.
To ensure safety, replace batteries with the same type.
Not doing so might lead to explosion. Dispose of used batteries according to instructions.