Dst (Daylight Saving Time) Setting; Time Reception On/Off Setting - La Crosse Technology WS-9031U Instruction Manual

DST (DAYLIGHT SAVING TIME) SETTING:

Note: The DST default is "ON", meaning that the received time will
automatically be adjusted according to Daylight Saving Time in the spring and
fall. For areas that do not recognize DST changes (Arizona and parts of
Indiana) turn the DST "OFF".
1. The digit "ON" will start flashing on the LCD.
2. Use the CH/+ key to turn OFF the DST function.
3. Confirm with the SET key and enter the Time Reception ON/OFF
setting.

TIME RECEPTION ON/OFF SETTING:

Flashing
Digits
flashing