To Perform A Countdown - Casio GB-6900B User's Manual For Watch Functions

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3
. U se.B.and.D.to.change.the.hours.and.minutes.settings.
•
Holding down either button scrolls the setting at high speed.
•
To specify a start time of 100 hours, set the timer to 0H00'00".
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4
. A fter.all.the.settings.are.the.way.you.want,.press.A.to.exit.the.setting.
screen.

To perform a countdown

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. T he.following.shows.button.operations.for.a.countdown.
D
Start
Note
•
A tone/vibration alert is performed for about 10 seconds when the end of the
countdown is reached, and the display returns to the screen that was shown
before the countdown was started.
E-42
D
Stop
D
(Restart)
D
(Stop)
B
Reset