Casio 5146 - Quick Operation Guide Manual

Firstly, make sure it is in the Timekeeping Mode.
City Code
2.
City code will flash in the
upper display.
DST Setting Module : 5146
1.
In the Timekeeping Mode, hold
down (A) button for about three
seconds.
To return to the Timekeeping Mode,
press (C) button several times.
<Timekeeping Mode Screen>
- Day of the week
- Seconds
- Date or Time
3.
Press (C) button once.