R Ec E Iv; I N Itial Sett Ing; Cw Zero-Beat O Peration - Kenwood TS-440S Instruction Manual

3-2. RECEIVE
POWER s w i t c h: OFF.
PO
St a n d b y s w it c h :
REC

3-2-1. I n itial sett ing

1 . P reset the controls as sh o w n i n t h e a c c o m p a n y i n g
i l l ust r a t i o n a bove .
2 . Plac e t h e P O W E R sw i t c h to O N . (D u r i n g f i x e d ­
sta t i o n o p e r a t i o n y o u m ust fi rst t u r n O N y o u r D C
p o w e r su p p l y , t h e PS - 5 0 is re c o m m e nd e d . )
3 . The m e t e r w i l l i l l u m i n ate a n d a f r e q u e n c y w i l l a p ­
p e a r i n t h e d ispl a y .
4. Set t h e B A N D sw itches for the desired b a n d . If you
desire to tune a f r e q u e n c y other than o n e of the
amateur rad i o f r e q u e n c ies, place t h e 1 MHz sw i t c h
O N . W i t h t h e 1 M H z sw i t c h O N t h e U P /D OWN
sw i t c h e s w i l l advance t h e frequency i n 1 M H z
ste ps, r a t h e r t h a n t h ru t h e a m a t e u r r a d i o b a n d s .
5 . S e l e c t t h e d e s i r e d M O D E usi n g o n e of t h e m o d e
sw itches.
1 . By i n t e r n a t i o n a l c o n v e n t i o n a m at e u r ra d i o f r e ­
q u e n c ies b e l o w 1 0 M H z u t i l i z e t h e LS B (lo w e r
S id e b a n d ) m o d e , a n d f r e q u e n c ies of 1 0 M H z
a n d a bove u se U S B (U p p e r S i d e b a n d ) .
2 . The TS-440S a u t o m at i c a l l y se l e cts t h e n o r m a l
m o d e f o r y o u . The e x a c t c h a n ge o v e r p o i n t i s
9 . 5 M H z . Y o u c a n o v e r r i d e t h i s s e l e c t i o n by
p ress i n g t h e d e s i red m o d e swit c h .
6 . A dj ust t h e A F g a i n c o n t r o l for t h e desired vol u m e .
7 . S lo w l y rotate t h e TU N I N G d i a l u n t i l t h e desired sig ­
n a l c a n be h e a r d c l e a r l y .
8 . T h e d e s i red rece i ve f re q u e n c y c a n a lso be entered
d i re c t l y b y using t h e n u m e r i c keypad . F o r d et a i l s
of t h i s o p e r a t i o n p l e a s e refer t o t h e "D i rect key­
b o a rd f re q u e n c y e n t ry" se c t i o n o n p a g e 1 3 .
12
ER
MODE k e y s
RIT s w i tch: OFF
TUNING d i a l (VFO)

3-2-2. CW zero-beat o peration

Zero-beat o peration w ith a station during CW mode
o peration
1 . S e t the R IT/X IT switches to O F F .
2 . W h e n a n o p t i on a l f i lt e r i s n ot u se d , t u n e t h e TU N ­
I N G d i a l so t h a t t h e receive beat freq u e n c y i s a p ­
proximately 8 0 0 H z . You c a n c h e c k t h i s b y t u r n i n g
t h e V OX O F F , a n d t h e n c l o s i n g y o u r CW key . Then
b y using t h e s i d e t o n e osc i l l at o r , a n d t h e i n c o m i n g
receive s i g n a l y o u c a n zero-beat b y t u r n i n g t h e
TU N I N G d i a l u n t i l t h e two t o n e s a re t h e sa m e fre­
q u e n c y .
3 . When the Y K -88C f i lter is used t h e sim p lest method
t o use is t o adjust the TU N I NG d i a l f o r a m a x i m u m
S -meter d e f l e ct i o n .
Reception at the de sired pitch after zero -beat
o peration .
1 . A ft e r zero-beat i n g t u r n t h e R IT swit c h O N , a n d a d ­
j u st t h e R IT c o n t r o l for t h e d e s i red p i tc h .
2 . A djust t h e I F S H I F T c o n t r o l for t h e strongest s i g ­
n a l l e ve l .
Your frequency
Receiver carrier frequency
(BFO)
Tunin g for CW Operation
SOL c o n t r o l :
Fu l l y c o u n t e rc l o c k w i s e .
1
A F ga i n control:
Fu lly counter­
clock wise.
Displayed frequency
Transmit-Receive frequency
(Displayed frequency)
I
I
-I
l-
800Hz
Beat note