Marathon NIGHT OWL 86 Manual De Usuario página 6

2. Press " " or " " to change the minute setting.
3. Press " " button, "L01" will blink on the screen,
press " " or " " to select "L01" (low volume),
or "L02" (high volume) to adjust the alarm volume.
4. After finishing the alarm setup, press " " button
to save.
EN