Casio 3069, Manual, Page: 82 / 163

E-80
To reset the altitude differential value to zero
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).
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.
Altitude differential