OS80 & OS81 Operating Instructions continued . . .
To set the alarm:
1. Gently pull the crown to Position B.
2. Turn the crown clockwise to set the alarm hand to the desired set time.
The alarm will sound when the hour hand aligns with the alarm hand.
3. Push in crown to position A.
Note: Pressing the BL Button to the Alarm OFF position turns the alarm off when
the alarm is sounding.
Pull out BL Button = Alarm ON.
Push in BL Button = Alarm OFF.