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Front Panel - Heathkit GR-54 Assembly And Operation Manual

Deluxe swl receiver

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Gag
e4tTHKiT
OPERA
es.
switches, and connectors,
FRONT PANEL
Ot a
ee
dal
RF
Gain
-
Varies
the loudness
of the sound
from
the speaker
or headphones by controiling
the amount
of RF
amplifier
gain,
NOTE:
It
may be desirable to set this control toward full
Mode - Selects the following types of reception:
AM
(amplitude
moduiation),
USB
(upper side
band), LSB (lower side band), CW
(continuous
wave) ean
be heard
in either
the
LSB
or USB
SP
Weeks
Bee
seer
ff,
ELUM?
re
in
position,
Ant Trim
- Provides a means
of peaking the
antenna
circuit
to the
signal being received,
Main
Tuning
Tunes
the
Receiver
to the
desired station,
TION
Bandspread
- A fine tuning adjustmen
used in conjunction with the Main Tuning to help
separate
close-together
signals on crowded fre-
DR ES
Ue
ee
quency bands, This control is normally left in
the SET
position,
when
not
in use,
since
it
affects the main dial calibration, It will seldom
be necessary to use this control on Bands A and
Bb
position,

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