Casio 5230 Quick Operation Guide

Firstly, make sure it is in the Timekeeping Mode.
DST Setting Module : 5230
To return to the Timekeeping Mode
from any other mode, hold down (C)
button for at least four seconds.
ADJ
1.
NYC
SET
2.
<Timekeeping Mode Screen>
City code and city name
"SET" will start to flash in the left digital dial.
The city code and city name will scroll
across the right digital dial.
In the Timekeeping Mode, hold down (A)
button for two seconds until ADJ appears
in the right digital dial.

Casio 5230 Specifications

General

Type	Digital
Movement	Quartz
Display Type	Digital
Case Material	Resin
Band Material	Resin
Display	Digital
World Time	Yes
Stopwatch	Yes
Calendar	Yes