Sangean WR-22 (V1) - Manual (Page 22)

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4. Rotate the Tuning control rotary to choose the required alarm
type, and then press the Tuning control rotary to confirm the
setting. The alarm can be set to buzzer, FM, AM or USB.
When radio mode is selected, the radio frequency and the preset
number on the display will begin to flash. Rotate the Tuning control
rotary to adjust the required radio frequency or the required preset
number for the radio alarm, then press the Tuning control rotary
to confirm the setting.
5. Rotate the Tuning control rotary to choose the required sound
level for the alarm. Press the Tuning control rotary to confirm the
setting. The alarm has now been set. Symbol for active alarm is
shown on the display.
Note:
If USB is selected as your alarm type, but USB is not inserted when
the alarm is sounding, the buzzer alarm will be used instead.