Techno Line WT 768 Instruction Manual page 18

reception the time will be adjusted to the correct radio controlled
time according to the DCF-77 reception signal.
Note: The DCF-77 reception is only available in Europe.
Manual time setting
Press and hold the M.SET button until the desired time is set.
Alarm time setting
Turn the alarm set knob in indicated direction until the desired alarm time is
set.
EN6