The device can use RADIO and BUZZER as the alarm sound source. 1) Push the source slider to ALARM RADIO or ALARM BUZZER. * ALARM RADIO - Tune to your desired radio station and adjust the sound volume to a suitable level * BUZZER- The buzzer is set at a fixed volume and cannot be adjusted 2) Press and hold ALARM SET for more than 2 seconds until digits flash on the display. 3) Press HR or MINrepeatedly, or hold down HR or MIN to adjust hour and/or minute. 4) Press ALARM SET to confirm the setting.

The information on this page applies to the following models: AJ3122/12 .