Technoline WS 9750 Manuel D'utilisation page 68

Press the + key to select the unit as F or C.
2.
Confirm by pressing the SET/CH key to enter the 12/24 hour time display
3.
setting.
12 / 24- HOUR TIME DISPLAY SETTING AND TEMPERATURE UNIT (C/F)
SETTING
User may choose to display the time in 12-hour or 24-hour mode:
1. The "12h" or "24h" digit will be flashing.
flashing
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