NEC PowerMate Professional 9000E Series User Manual page 22

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Audio connectors
Find the following connectors on the sound board:
Microphone in jack
Connect a microphone for recording audio information
in your data system files.
Line in jack
Connect a stereo audio device such as a stereo
amplifier or a cassette for playback or recording.
Line out jack
The line out jack allows you to connect an amplified
output device, such as powered speakers, a stereo tape
recorder, or an external amplifier for audio output. If
you ordered speakers, use this jack to connect them.
Audio connectors
A – Line In Jack B – Microphone In Jack C – Line Out Jack
Reviewing System Features 1-9