To Reset The Altitude Differential Value To Zero - Casio 3069 Manual

To reset the altitude differential value to zero

Altitude differential
Using Altitude Differential Measurement While Mountain
Climbing or Hiking
After you zero reset the reference altitude value at a particular location while
mountain climbing or hiking, you easily can measure the change in the
altitude between that point and another point.
E-80
In the Altimeter Mode, press E.
• This will start altitude measurement. The
altitude differential value will show 0 after
measurement is complete.
• You must perform altitude differential
measurement whenever you select format
number 3 or 4 as the Altimeter Mode display
format (page E-68).