... mobile phones/digital products. 3.RadioTurn the radio switch to "ON" position to start radio , and the indicator ... VOL-" to adjust the volume . Turn the radio switch to "OFF"position to shut down radio. 5. ... and blinkSwitch to " ", siren & blink will be on , Switch to " ",siren and blink will be off. 7. ... Battery Capacity IndicatorTurn on the light to Active the indicator , which has ...