HOW TO SET THE ALARM RING & ALARM VOLUME
1.Press "Alarm 1" on the speaker for three seconds to set alarm, the marker of "Alarm 1" will light up and time flash on the led.
2.Turn Rotary button to set alarm time.
3.Press and turn Rotary button to set alarm sound (from FM radio or TF card).
4.Press and turn Rotary button to set alarm volume.