Steren CLK-150 Manual De Instrucciones página 13

If you want to deactivate the tone, press again SPLIT / RESET and
without release, press the MODE button. The days of the week will be
disappear, which indicates that the tone will be deactivated.
1
PRESS AND
HOLD
ALARM
To configure alarm, press the MODE button twice from the initial mode. The
hours and the MO icon will appear flashing
The flashing digit is the one that is ready to be modified. Use the
START/STOP button to change it, pressing the necessary times or if you
want to adjust digits quickly, press and hold the START/STOP button.
When the hours are adjusted, press SPLIT/RESET to scroll to the
minutes and fix them.
In the moment that you start adjusting
digits, the alarm icon appears, which
indicates that it is activated
At the end, press the MODE button to return to the initial mode.
2
PRESS
4
ACTIVATED
ALARM
ICON