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M.DEL 4oo r^lo*r"rrut*
l
l
C .
O P E R A T I O N
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
o p e r a t e d l r o m
l I 7 v o l t s , a c , 5 0 t o 6 0
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
1 2 , 6 v o l t d c s o u r c e w i t h t h e S w a n
M o d e l l 4 - l l ? p o w e r s u p p l y .
Before connecting any cableE to the
Swan 400, perforrn
th€ foilowing
stepB:
l
R o t a t e t h e P A B i a s c o n t r o l o n t h e
rear chassis apron,
fuUy counter
c loc kwi s e.
2.
Rotate the Function
Switch located
on the lower IeJt of the front panel
c o u n t e r c l o c k w i 6 e t o S T B Y .
3.
Rotate the AF Gain Control
countei
clockwise
to operate the power
switch to OFF.
POWER SUPPLY
AND
ANTENNA
CONNEC TIONS
l .
C o n n e c t e i t h e r t h e S w a n 4 0 6 8 o r
410 Frequency
Control
Unit to the
9 pin connector
near the center of
t h e r e a r c h a s s i s a p r o n .
2.
Connect a 50 to 75 ohln antenna to
the coaxial connector
on the rear
c h a s s i s p a n e 1 .
3.
Connect the power supply cable to
the Jones connector
on the rear
c h a s s i s a p r o n .
t 2
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
o p e r a t i n g l e r n p e r a t u ! e .
D u r i n B
t h i s p e r i o d , p e r l o r m
t h e f o l l o w r n g
s t e p s :
(a) Rotate the Sideband Selector to
the c ounte r -clockwise
position,
providing
lower
sideband on 40
a n d 8 0 m e t e r s .
a n d u D D e r s i d e -
b a n d o l r 2 0 , 1 5 , a n d I 0 m e t e r s .
The oppo6ite 6ideband will be
s e l e c t e d w h e n t h e 6 w i t c h i s i n
t h e c l o c k w i s e p o s i t i o n ,
(b) Rotate the Phone-CW
switch to
Phone,
(c) Rotate the Bandswitch
to desired
band.
(d) Rotate Mic.
Gain fully counter-
clockwis e.
( e ) R o t a t e C a r . B a l . c o n t r o l t o t h e
midscale
position,
with \rhite
dot on knob aligned
with the
r n d e x m a r k o n t h e p a n e l .
( f )
P r e s e t P A P l a t e c o n t r o l t o
rnid-position.
(g) Pre set PA
posrrlon,
(h) Preset
PA
po sition,
Glid
Control
to rnid-
Load Fine to rnid-
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