GarageInstruments FADED-50 Manual del usuario - Página 14
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Imprimir páginaF. Ground loop protection (GROUND LIFT)
FADED-50 amplifier is equipped with GROUND LIFT function, which
can be activated/deactivated by switch n.19.
The meaning of this function is to disconnect the ground
loop which most likely comes from using the effect loop (different
grounding points) to eliminate disturbing hum noise.
The GROUND LIFT function disconnects this disturbing
ground loop together with preserving all safety measures.
There is no need to use this function if disturbing hum is not
present.
Please do not mistake common signal noise/hum of the
amplifier itself or noise of single coil guitar pickup with noise caused
by GROUND LOOP. Identifying the ground loop:
Compare the hum noise of amplifier without (only guitar,
amplifier and speaker) and with respective effects connected to the
effect loop or directly to the amplifier input.
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