Stopwatch
Click on the “Stopwatch” to enter the stopwatch mode.
Press the power button or click 
once to start
counting time, click 
to pause it and click once again to resume counting. Press the power button or
click 
once again to finish the time counting. Click 
to reset the current time count to be zero.
Operation of Settings Mode
Double click the Settings icon on the main menu to enter the Settings mode. Once you've entered the settings menu, the following screen would show up.
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