Check of audio devices

Loudspeaker check

VHF radios should issue noise in loudspeaker or headphones, once a radio is on.
VHF radio is switched on by rotating its VOLUME knob clockwise. You should hear noise after. If not, check computer volume level

  • by the switch on the headphone wire, if any
  • in Start->Settings->Control panel->Sounds and Audio Devices->Audio-> Sound playback->Volume. The panel should looklike this :


  • Microphone check

    Radio should be able to record voice from the microphone or headphones.
    Go to Start->Settings->Control panel->Sounds and Audio Devices->Audio-> Sound recording->Volume.The panel appeared should look like this :



    - microphone volume should be high enough and "Microphone" should be checked.

    Check if microphone is really working by using Windows Sound recorder. Go to Start->Programs->Accessories->Entertainment->Sound Recorder. Click on the button marked by a red point (recording) and speak something the the microphone. The screen should show voice samples like that :