M.DEL 4oo r^lo*r"rrut*
ll
C. OPERATION
WARNING
DANGEROUS
ruGH VOLTAGE IS
PRESENT
ON THE PLATE OF
THE
POWER
AMPLIFIER WHENEVER
THE POWER SUPPLY IS ENER.
GIZED. NEVER TURN POWER ON
WHEN THE POWER AMPLIFIER
COVER IS REMOVED.
HIGH
VOLT-
ACE
IS ALSO
PRESENT AT PIN
EIGHT
OF TIIE POWER
PLUG.
The
Swan Model 400 may
be operated
with either the Model 4068
or
Model
410
I.requency Control Unit, and may
be
operated lrom lI7 volts, ac, 50 to
60
cycle
power
with
the Model I l?XB
powe!
6upply
or the Model Il?XC
powe!
eupply.
The Model 400 may be
operated flom a
12,6 volt dc
source with the Swan
Model l4-l
l? power supply.
Before connecting any cableE
to the
Swan 400,
perforrn th€ foilowing stepB:
l Rotate
the PA Bias control on the
rear chassis apron,
fuUy counter
c loc kwi s
e.
2. Rotate
the Function Switch located
on the lower IeJt
of the front panel
counter
clockwi6e to STBY.
3. Rotate
the AF Gain Control
countei
clockwise to
operate the
power
switch
to OFF.
POWER SUPPLY AND
ANTENNA
CONNEC TIONS
l. Connect
either
the
Swan 4068
or
410
Frequency Control Unit
to the
9
pin
connector near the center
of
the
rear chassis apron.
2. Connect
a 50
to 75 ohln antenna to
the coaxial
connector on the rear
chassis
pane1.
3. Connect
the
power
supply cable to
the Jones
connector on the rear
chas sis
apron.
t2
4. Connect
the power supply
to the
proper
voltaSe
solrlce.
RECEIVE
OPERATION
L Rotate
the AF Gain Control
clock
-
wise
to about
the
3
orclock
poBition.
The
po*er switch will opelate
applying
filament, relay, bias, and
800 volt
high
voltage
to the tran8-
2. Wait approximately
one minute
to
allow the tube
filaments to reach
operating
lernperatu!e. DurinB
this
period, perlorm the followrng
steps:
(a)
Rotate the Sideband Selector
to
the c
ounte r
-clockwise
position,
providing lower sideband on 40
and 80 meters. and
uDDer side-
band olr 20,
15,
and
I0 meters.
The
oppo6ite 6ideband will
be
selected when the
6witch is in
the clockwise
position,
(b)
Rotate
the Phone-CW switch to
Phone,
(c)
Rotate the Bandswitch
to desired
band.
(d)
Rotate
Mic. Gain fully counter-
clockwis e.
(e)
Rotate Car.
Bal. control to the
midscale
position, with
\rhite
dot on
knob
aligned
with the
rndex mark on the
panel.
(f)
Preset
PA Plate control to
rnid-position.
(g)
Pre set PA
posrrlon,
(h)
Preset
PA
po
sition,
Glid Control
to rnid-
Load Fine
to rnid-