Button Operation Tone
Mute indicator | The button operation tone sounds any time you | ||||
press one of the watch’s buttons. You can turn the | |||||
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| button operation tone on or off as desired. | |
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| • Even if you turn off the button operation tone, | |
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| the alarm, Hourly Time Signal, and Countdown | |
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| Timer Mode alarm all operate normally. | |
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| To turn the button operation tone on and off | |
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| In any mode (except when a setting screen is on | |
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| the display), hold down D to toggle the button | |
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| operation tone on ( not displayed) and off ( | |
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| displayed). | |
•Since the D button is also the mode change button, holding it down to turn the button operation on or off also causes the watch’s current mode to change.
•The 
indicator is displayed in all modes when the button operation tone is turned off.