Cw Mode; A ) Sem I-Automatic Break-In; (B) Full -Automatic Break-In; Fm Mode - Kenwood TS-440S Instruction Manual

3-3-2. CW mode

S et M O D E keys to CW and set the Mete r s w i t c h to
A L C .
A L C PWR
P l a c i n g the Standby switch to send and de pressing the
C W key w i l l c a u s e the r a d i o t o t r a n s m i t .
Tra nsm ission is also possible w h e n in the S E M I or F U L L
b re a k - i n m o d e by s i m p l y d e p r e s s i n g t h e k e y , w i t h t h e
S t a n d b y s w it c h i n t h e R EC posit i o n .
A dj u st t h e C A R control u n t i l t h e m e t e r d e f l e c t ion i s
w i t h i n t h e A L C zo n e .
3 5
s
A L C zo n e
•
S E M I and F U L L break-in
Two bre a k - i n methods a re p rov ided w i t h t h e TS -440S
transce ive r , S E M I and F U L L break-in . With e ither bre a k ­
i n operation d e press i n g t h e CW k e y w i l l c a u s e t h e ra­
d i o to t ra n s m it w ithout t h e need f o r m a n u a l l y s w i tc h ­
i n g t h e S END /R EC s w itc h . T h e d iffe rence between
FULL a n d S E M I bre a k - i n is t h at d u ri n g FULL b r e a k - i n
ope ration it is possible to l isten bet ween dots a n d d a s h ­
e s , a n d t h at d u ri n g S E M I bre a k - i n it is not .
N ote :
With e i t h e r S E M I or F U L L bre a k - i n operat i o n , c ross
b a n d /cross m o d e o p e rat i o n is n ot poss i b l e . A d d it i o n ­
a l l y , w h e n you are u s i n g F U L L b r e a k - i n o p e ration you
s h o u l d n ot w o r k c ross b a n d s p l its , o n l y i n t h e s a m e
b a n d .
The TS-440S a l s o provides a s i d e -tone o s c i l lator c i r ­
cuit to a l l o w m o n itoring of y o u r CW signal d u ring trans­
m i s s i o n .

( a ) Sem i-automatic break-in

D e p ressing the C W key w i l l automatica l l y place the
transceiver into the transm it mode . Tra n s m it mode
w i l l be m a i n t a i n e d for a period dete r m i n e d by t h e
setting of the V OX D ELAY control o n the rear p a n e l
of the t r a n s c e i v e r , e v e n a f t e r t h e CW key is
released .
OFF
C W
I:mlT
O F F
VOX
1 4
SWR
7 9
w
F U L L
S E M I
O N

(b) Full -automatic break-in

D e pressing the CW key will automatica l l y place the
t r a n s c e i v e r into t h e tra n s m it m o d e . R e l e a s i n g the
CW key will return the radio to receive immediately
e n a b l i n g r e c e p t i o n bet w e e n c h a racters .
Caution :
The TL - 9 2 2A / 9 2 2 l i n e a r a m p l ifer is not d e s i g n e d
for f u l l bre a k - i n type o p e rat i o n . Att e m pt i n g to use
t h i s a c c essory i n t h e FU L L break-in m o d e c a u se
d a m a g e to o c c u r to t h e l i n e a r a m p l i f i e r .
O F F
C W
O F F
V O X
O n occasion a n e l ectro n i c keyer may be used t h a t
h a s no m e t h o d of prod u c i n g a con t i n u o u s t r a n s ­
m it con d it i o n . I n order to obta i n a c o n t i n u o u s c a r ­
r i e r f o r t u n i n g s i m p l y p l a c e the Sta n d by s w it c h to
t h e S END posit ion .

3-3-3. FM mode

S e lect the d e s i red f r e q u e n c y w i t h i n the 28 M H z
a m ate u r r a d io band . P l a c e t h e M O D E key to F M a n d
t h e M e t e r s w i t c h to A L C .
A L C PWR
Press the m i c ro p hone PTT s w it c h or p l a c e t h e S t a n d ­
by s w i t c h to S END .
A d j u st t h e C A R c o n t rol u n t i l t h e meter d eflection is
within t h e A L C zone . This w i l l p rovide full powe r i n the
FM mod e .
To decrease the power, place t h e M eter s w itch t o PWR
a n d w h i l e o bs e r v i ng the meter rotate the C A R control
cou nterc loc k w i se until t h e d e s i red o u t p ut l e v e l is o b ­
t a i n e d .
s
A L C PWR SWR
1 . The F M power output m a y f l u ctuate if r u n n i n g less
than f u l l output .
2 . E n s u re t h at a n a n t e n n a w i t h a l o w SWR is used .
The TS - 440S provides severa l protect i o n c i rc u it s ,
cont i n u a l l y loading i nto an ante n n a w ith a h i g h S W R
(3 to 1 o r g re a t e r ) w i l l eventu a l l y c a u s e d a m a g e to
the final a m p l if iers .
3 . The PWR meter r e a d i n g m a y not be a c c u rate w it h
h i g h SWR v a l u e s . U se a g o o d ante n n a for the m ost
a c c u rate read i n g s .
S E M I F U L L
O N
SWR
5 7 9
3
w
ALC zo n e