Casio 3518 User Manual page 13

3. When the setting you want to change is flashing, use B and D to change it as
described below.
Screen
Reset the second to 00
Toggle between Daylight Saving Time (On) and
Standard Time (OF)
Change the hour or minute
Change the year
Change the month or day
To do this: Do this:
Press D.
Press D.
Use B (–) and D (+).
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