Casio WSD-F10 User Manual page 26

Note
Depending on the smartphone the watch is paired with, some of the apps
●
in the list above may not be available, and/or apps other than those above
may be available.
To start up an app
1. Hold down the power button for about two seconds to
display a list of apps.
2. Scroll the list of apps upwards or downwards until the
one you want is displayed, and then tap it.
Note
You can start up the watch's TOOL app by pressing the TOOL button.
●
Pressing the APP button will start up the app currently assigned to the
button.
App Operation Examples
Example Operation 1: Using Stopwatch
1. Hold down the power button for about two seconds to
display a list of apps. Next, tap "Stopwatch".
2. To start measurement, tap F.
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