Casio 3145 Manual page 13

• You can press the C button to go directly from the Timekeeping Mode to
the Altimeter Mode. To go to the Altimeter Mode from the Barometer/
Thermometer, World Time, Stopwatch, Countdown Timer, Alarm, or Data
Recall Mode, first enter the Timekeeping Mode and then press the C
button.
Timekeeping Mode
Altimeter Mode
Press C.
L
Press D.
Data Recall Mode
E-11