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Pressing this button in any mode cycles between displays.
While a setting screen is displayed, pressing this button scrolls available menu items upwards.
Hold down this button for at least one second to return to the Timekeeping Mode. Pressing this button while a run timing operation is in progress returns to the run timing screen.
Pressing this button while a setting screen is displayed scrolls available menu items downwards.
Press to turn on illumination.
In the Timekeeping Mode, pressing this button enters the Training Mode.
Pressing this button while any mode’s setting screen is displayed applies all of the screen’s pending settings or changes.
In other modes, pressing this button returns to the Timekeeping Mode.
While configuring settings, pressing this button goes back to the previous screen.
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Adjusting the Current Time Setting