Citizen Eco-Drive BN4021-02E Instruction Manual page 33

4
Press button
Move the 100 m and 2.5 m hands to indicate an approximate value of the
altitude.
Indication keeps changing while you are pressing and holding the button.
Press button
5
Press and hold button
The corrected altitude is set as the current one and the hands return to measured
altitude indication.
The corrected altitude is set as the current one and the hands return to measured
altitude indication in 1 minute without any operation.
6
Press button
to correct the indication to the actual altitude.
and button at the same time to reset the calibration value.
for 3 seconds or more.
to finish the procedure.
Calibrating altitude indication
31