Samsung DVW-707/707P - Manual (Page 256)

Chapter 6 Maintenance
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2
Set the AUDIO SELECT CH-1/CH-2 switches to MANUAL.
3
Adjust the MIC AUDIO LEVEL control on the front of the
camcorder. Check that the level indications increase as the control is
turned counterclockwise.
4 Testing the earphone and speaker
1
Turn the MONITOR control and check that the speaker volume
changes accordingly.
2
Connect an earphone to the EARPHONE jack. Check that the
speaker sound is cut off and that you can hear the sound from the
microphone in the earphone.
3
Turn the MONITOR control and check that the earphone volume
changes accordingly.
5 Testing external microphones
1
Set the LINE/MIC selectors to MIC.
2
Connect external microphones to the AUDIO IN CH-1/CH-2
connectors.
3
Set the AUDIO IN switches to REAR.
4
Aim the microphones at a sound source.
5
Check that the audio level meter in the display panel and the audio
level indication in the viewfinder reflect the changing sound level.
Alternatively, with a single microphone, check each channel in turn.