Subsonic Filter; Adjusting The Volume Level - Yamaha C-5000 Manual De Instrucciones

Subsonic filter

Turn on the SUBSONIC FILTER switch to apply the
subsonic filter, as needed.
A resonating turntable tone arm or a warped vinyl record
could cause a very low frequency rumble (subsonic noise)
that might apply load and damage to the speakers. A
subsonic filter will cut such noise to protect the speakers.
Note
The subsonic filter is disabled whenever any audio source
other than the turntable (connected to the PHONO jacks) is
selected as the input source, even if the SUBSONIC FILTER
switch is turned on .
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Adjusting the
volume level
Set the gain using the GAIN selector so that you can
make fine volume adjustments.
Gain
Adjust the volume level using the VOLUME control.
Note
If you still hear distortion even if the VOLUME control is
turned down, the signal might exceed the allowable input
level . If the audio source is being input at the balanced
input jacks (BAL 1 or BAL 2), set the ATTENUATOR selector
to ATT . (−6 dB) .