Operation
−
The display shows » 000 «, with the
first digit flashing.
•
Use the
key to set the flashing digit.
•
Press the
key, the second digit
OK
starts flashing.
•
Use the
key to set the flashing digit.
•
Press the
key, the third digit starts
OK
flashing.
•
Use the
key to set the flashing digit.
•
Press the
key to confirm the pass-
OK
word once it has been set completely.
−
The calibration menu functions can
now be selected by pressing the
key.
•
Press the
key to call the selected
OK
function.
Calibration menu functions
Fresh air calibration, refer to page 38
1-button calibration, refer to page 40
Single gas calibration, refer to page 42
•
Press the
key to cancel the active function.
−
If no key is pressed for 10 minutes, the device automatically returns to measuring
mode.
18