G-Shock MRG-8100B-1A - Manual (Page 73)

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9.
Use D (+) and B (–) to
change the day setting in
one-day increments.
10.
When everything is the way
you want, press A.
This will reset the seconds count • •
to zero and return to regular
timekeeping.
For best timekeeping accuracy,
• •
press A on a time signal from the
TV or radio.
The day of the week is calculated automatically.
• •
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