Fig.3 – Adcom 2-CHANNEL GFA-5275 User Manual
Page 7
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INPUT SENSITIVITY SETTING;
Located on the amplifiw end-^Mnel, along wi№ the input connectors, are two
small openings that allow access to the
ktfxA senslMty (xmtrola.
These controls
are shipped from the factory in the
FuU-On
(clockwise) position. The sensitivity
controls on the amplifler should always be kept PULL when used in a balanced
system. These conbols should be ac^usted ONLY when you are using the
amplifier In an unbalanced mode (see Unbalaitced Operation). If there is a need
to adjust these controls, use a fla(*head screwdriver no wider than Vs inch (and
V32 inch thick). These controls should move freely, do not
force or apply
excessive pressure fo acQust them.
To adjust the
aensS^K
of the BALANCED SYSTEM, use the level conbols
on the GFI unit Instead of die omaSer.
To set the input, start by turning input
level controls all the way down (oourtter«ctockwi$e}. Turn up the volume on your
head uitit to apprwdma^
75% of
lUit voluma. Start to increase the GFI's input
conbols until you hoar distortion. At that point, turn down the input controls
slightly
until you don't hear the distortion. The inputs levels are now set.
STEREO CONFIGURATION;
SplotConMcigra
I
a
OG Il04.3«r*l nrn
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^ OElEltail
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Fig.3