Low Filter Switch; Hi Filter Switch; Muting Switch And Level Control; Main Controls And Switches - Marantz 2210 Instructions Manual

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LOW FILTER SWITCH
The low frequency filter can be used to reduce
turntable rumble and low frequency noise. It
will also, however, slightly attenuate program
material, and should therefore be used judiciously.
The "out" position switches the filter out of the
circuits.
Hi FILTER SWITCH
AM radio reception is sometimes subject to a
high pitched interference "whistle" from a nearby
adjacent AM channel. The high frequency filter
will suppress this interference, the "scratchy"
noise from phonograph records, and tape "hiss. "
The filter will also , however, slightly attenuate
high frequency program material. The "out" posi­
tion switches the filter out of the circuits.
MUTING SWITCH AND LEVEL CONTROL
When tuning to FM broadcasts with the MUTING
switch in its "in" position, the muting circuit will
eliminate interstation noise. The muting threshold
can be varied by rotation of the MUTING LEVEL
control on the rear panel. To prevent muting very
weak stations along with the noise , the muting
function may be turned off by releasing the MUTI N­
G pushswitch to "out" position, thus switching
all muting out of the FM circuits.
figure 5. front Panel Controls and Jacks
MAIN C O N TROLS
AND WIT HES
SELECTOR SWITCH
The selector switch selects the program source for
listening or recording. With tape recorder's outputs
connected to the rear panel TAPE RECORDER
PLAY (1, 2) jacks, you can select tape Iisten­
ing by rotating the selector switch to the "
TAPE" position (with the MONITOR (TAPEI
SOURCE) pushswitch "out". The MONITOR (1/2)
pushswitch then selects between tape units plugged
into rear panel PLAY 1 or PLAY 2 jacks.
BALANCE CONTROL
This control simultaneously alters the output level
of both channels. As the knob is turned away
from the normal 12 o'clock position, it decreases
the level in one channel , while it increases the
level in the other channel. (Because the balance
control knob has been set for precise electrical
balance when the po inter is at the indicator dot
at the 12 o'clock position, there may be slightly
greater mechanical rotation off center in one
direction than in the other.)
VOLUME CONTROL
This dual control maintains stereo balance at all
normal settings. It controls the level of both output
channels simu ltaneously and has no effect on the
recording outputs.
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