Aiwa FR-A308U Operating Instructions Manual page 14

ALARM SETTING
To set the alarm timer to sound twice a day
1 Set two alarm times ALARM 1 and 2 respectively referring
to steps 1 and 2 on page 12.
2 Set ALARM/POWER to RADIO or BUZZER.
3 Set ALARM MODE to 1 + 2.
The ALARM 1 and ALARM 2 indicators (@) light up in the
display.
About the buzzer sound
QThe buzzer tones of ALARM 1 and 2 are different.
The buzzer volume is fixed and cannot be set with the
VOLUME control,
Note
When the alarm times set on ALARM 1 and 2 are the same,
the alarm timer functions once at the preset time.
You cannot set buzzer and radio alarms at the same time.