Casio 3069 To set a reference altitude

To set a reference altitude

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

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

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

•Pressing A and C at the same time returns to OFF (no reference altitude), so the watch performs air pressure to altitude conversions based on preset data only.

3.Press E to exit the setting screen.

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