Casio WSD-F10 User Manual page 74

Interpreting Graph Screen Data
Four concentric circles correspond to four activity types (rest, walking,
running, riding). Engaging in one of the four activities causes a color coded
arc to appear within the activity's circle.
A Time period running.
B Time period walking.
C Time period at rest. Includes the time when the watch is stationary while
you are not wearing it.
D Time period riding (bicycle, automobile, train, etc.)
To hide the current time and activity times
Tap the touch screen. To re-show the current time and activity times, tap the
touch screen again.
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