Casio 5146 User guide

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.

6.
Press (A) button to exit the
setting screen.
5.
OFF ON
Press (D) button to toggle ON and OFF.
4.
DST setting (ON or OFF) will
appear in the lower display.