Microphone with preamp and BNC connector for oscilloscope.  Remove the BNC cable, and the microphone can be used with a computer and the Soundcard Oscilloscope app.  When using "Scope":

1. Sign in to the computer.
2. Turn on the microphone preamp.
3. When your desktop appears, plug in the microphone in to the computer's front headset jack.
   Select "Mic In" and click on <OK>.
4. Start the Scope application.  If Scope does not react to the microphone:
   Select the "Settings" tab and then Input:   Jack mic (Realtek Audio).
5. If Scope still does not show a microphone signal, check the Windows Recording level.​​​​​​
   Control Panel | Sounds | Recording | Jack mic
   <Properties>
       Levels
           FrontMic:                    90
           Microphone Boost:  +30.0dB
6. If you still do not have a microphone signal, then Windows Microphone Privacy Setting my be Off.
   Search for "Privacy Settings" and select Microphone. Switch on:
       Allow apps to access your microphone                   <On>
       Allow desktop apps to access your microphone    <On>
7. You may need to close Scope and then open it again.

A Pasco Microphone (Sound Sensor) can be connected to a Pasco interface.  Run Capstone to display the output.