BSS Audio FDS-318 Owner's Manual User Manual
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Audio connections
9.4 Ground loop
control
Strict adherence to the wiring conventions noted above within a fully balanced
signal system will give the best possible results with none of the problems
normally associated with interconnected audio equipment. Wherever possible,
cable screens should not be connected to any signal pin, but rather left to
perform a cable shielding function only.
Where it is not possible to control all of the external cabling, it might become
necessary to have internal electronic ground of your unit separated from the
case safety ground. Provision is made internally within the FDS-318 to separate
these two grounds at a convenient point, and reference to section 12.1 will
explain the procedure.
Under no circumstances should the safety ground wire be removed from the
mains AC power connector as an interim measure to achieve similar results.