To specify a reference altitude

 

 

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1.In the Altimeter Mode, hold down A for about two seconds until either OFF or the current reference altitude value starts to flash. This is the setting screen.

2.Press E (+) or B (–) to change the current reference altitude value by 5 meters.

You can specify the reference altitude within the range of –10,000 to 10,000 meters.

To clear the reference altitude value (and return it to OFF so the watch performs air pressure to altitude conversions based on preset data only), press E and B at the same time.

3.Press A to exit the setting screen.

E-50