Heathkit SW-7800 - Initial Control Settings

Heathkit
ALIGNMENT
An RF
detector
circuit
is
built
into
your
Receiver
Refer
to Pictorial
7-2
and
place
a
small
tape
to aid
you
in
the
alignment
procedure.
The
only
“flag”
near
the
center
of
the
longer alignment
equipment
you
will need
is
a
DMM
(digital
multime-
tool
as
shown.
This
will
help
you
count
the
ter)
or
VIVM
(vacuum-tube voltmeter)
number
of
turns
of
the
tool
during
alignment.
CAUTION:
When
the
line cord
plug
is
connected
to
an
AC
outlet,
the
AC
voltage
will
be
present
on
SSS
the Receiver
chassis,
as
shown
in
Pictorial
7-1
(Illus-
IN
tration
Booklet,
Page
35).
Be
careful that
you
do
not
contact
this
voltage
because
an
electrical
shock will
result.
=
il
TAPE
PICTORIAL
7-2
INITIAL
CONTROL
SETTINGS
|
Refer
to
Pictorial
7-3
(Illustration
Booklet,
NOTES:
Page
35)
and
set
the
Receiver
controls and
switches
as
follows:
1,
If
you
fail
to
obtain the
desired
readings
in
each
of
the
following
steps,
immediately
turn
DX/LOCAL
(on
rear
panel)
—
DX
the
power
off
(VOLUME
control
fully
counter-
clockwise)
and refer
to
the
“In Case
of
Diffi-
AGC
—
FAST
culty”
section
of
this
Manual.
RF
ATTEN
~
Fully
clockwise
Set
your
voltmeter
to
the
proper
DC
voltage
range
to
obtain
meaningful readings
in
the
fol-
BAND
—
16
(MHz)
lowing
steps.
Be
sure
to
switch
your
voltmeter
leads
or
voltmeter
polarity
switch
to
check
for
VOLUME
-
Fully
counterclockwise
negative
(—)
voltages.
(power
off).
MODE
—
AM WIDE