Casio 3069 Manual page 76

a. When you hold down A to start a save session (page E-70), the watch
will clear data that is already stored in the current session record.
b. The watch will measure altitude and calculate data as described below,
and update the current session record accordingly. Note that measurement
and saves depend on whether or not the watch is in the Altimeter Mode.
• In the Altimeter Mode
Altitude Measurement
Type
0'05
2'00
• Outside the Altimeter Mode
The measurements are taken and session data is updated every two
minutes, and at 00, 15, 30, 45 of each hour.
E-74
First 3 minutes
Updated every 5
seconds
Updated every 5
seconds
After 3 minutes
Updated every 5 seconds
Updated every 2 minutes, and
at 00, 15, 30, 45 of each hour