Consult the nearest observatory station to get the ambient
barometric pressure of your current position.
IMPORTANT: Input an incorrect pressure during the calibration
procedure, it results a mistaken pressure reading in future.
How to adjust the barometer by using absolute pressure
adjustment
1. The watch can adjust the current pressure reading to a absolute
pressure value.
2. To select the adjustment display, press and hold the B button in
barometer mode. Then press the B button to select between the
absolute pressure adjustment and factory default adjustment.
3. To adjust the watch by using absolute pressure adjustment,
press the E button in absolute pressure display and the pressure
reading will appear.
4. When pressure reading is appear, press the E or C button to
increase/decrease the number. (hold down the button changes the
number at a higher speed).
5. If the setting is completed, press and hold the B button to confirm
setting and exit the adjustment display.
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