Logitech G633 - Headset Button Layout; PC;3.5 mm Mode Switch; G3 Programmable Button; G2 Programmable Button

1. Click Start > Control Panel > Hardware and Sound > Sound. Select the
Recording tab. Make sure the G633 microphone is selected as the Default Device
and the Default Communication Device.
2. Right-click on the microphone, then left-click on Properties. Select the Levels
tab and make sure the microphone gain is at least 50% (recommended 100%).