Sharp Actius PC-GP20 Operation Manual page 66

Connecting a Microphone
You can input sound using an external microphone connected to the microphone jack.
Use an electret condenser microphone with an impedance of 2.2kΩ and an allowable
voltage of 2.5V.
Microphone Jack
To record sound:
1. Click start; then, point All Programs – Accessories – Entertainment.
2. Click Sound Recorder.
3. See Help for Sound Recorder for more details.
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