12/24-Hour Setting - La Crosse Technology WS-9031U Instruction Manual

In area where reception of the WWVB time is not possible, the WWVB time
reception function can be turn OFF. The clock will then work as a normal
Quartz clock. (Default setting is ON).
1. The digit "ON" will start flashing on the LCD.
2. Use the CH/+ key to turn OFF the time reception function.
3. Confirm with the SET key and enter the 12/24-HOUR setting.
Note:
If the Time Reception function is turned OFF manually, the clock will not
attempt any reception of the WWVB time as long as the Time Reception
OFF function is activated.
The Time Reception and the "WWVB" icons will not be displayed on the
LCD.

12/24-HOUR SETTING:

Flashing
The hour display can be selected to show hours in 12-hour or 24-hour
settings. (Default 12-Hour)
1. Use the CH/+ key to toggle between "12H" or "24H".
2. Confirm with the SET key and enter the Manual time setting.