Firstly, make sure it is in the Timekeeping Mode.
DST Setting Module : 3198/3299
1.
<Timekeeping Mode Screen>
- Upper display
Current time
- Lower display
Day of week and Date
If you don't know which mode it is,
press (C) button to change the mode.
Hold down (A) button until the
seconds start to flash.
2.
Press (C) button to display the
DST setting screen.