Direct Keyboard Frequency Entry; A M Reception; Tr A N S M - Kenwood TS-440S Instruction Manual

3-2-3. Direct keyboard frequency entry

D i rect key b o a rd entry of the fre q u e n c y is p o s s i b l e u s ­
i n g t h e n u m e ri c k e y p a d on the TS-440S . T h i s a l lows
rapid changes in frequ e n c y w ithout the delays e nc o un ­
tered w h en u s i n g ot h e r t u ni ng m ethod s .
1 . S e lect t h e V F O m o d e .
2 . P ress the ENT key . The d i s p l a y w i l l i n d i c ate
VFO
A
3 . Enter t h e d e s i red o perating f re q u e n c y from Most
S i g n if i c a n t D ig it to the L e a st S i g n if i c a n t D ig i t . You
d o not have to ente r tra i l i n g zeros , but you m u st
enter a l e a d i n g ze ro for fre q u e n c ies between 1 a n d
3 . 9 9 9 9 9 M Hz o r t w o l e a d i n g zeros f o r fre q u e n c i e s
between 0 . 1 a n d 0 . 9 9 9 9 9 M Hz . ( 0 3 . 500. 00 M Hz ) .
VI()
A
� '- -
-'· _,
4 . After t h e l a st d i g it h a s been entered press t h e ENT
key a g a i n to s i g n ify you w a n t the r a d io to c h a n g e
fre q u e n c y . If y o u entered t h e freq u e n c y d o w n to
the n e a rest 1 0 Hz a b e e p w i l l sou n d a n d the r a d io
w i l l a utom a t i c a l l y c h a n g e to the new fre q u e n c y
w ithout t h e n e e d o f p r e s s i n g the E N T k e y f o r t h e
s e c o n d t i m e .
A
VI()
I_/ It /-/
I I I
I
/ .UUU. U
For example : To e n t e r 1 4 . 200. 00 M H z t h e re a re
two met hod s:
Method one : P ress [ENT] , [ 1 1, [4] , [2], [E N T] .
M ethod two : [E NT] , [ 1 J , [4] , [2], [ OJ , [ OJ , [ OJ , [ OJ .
A VFO
I
I/ I/ I/
I I
I
-1.C /_/ /_/./_/
I
Atte m p t i n g to e n t e r a fre q u e n c y outs i d e t h e t u n ­
i n g r a n g e o f t h e radio w i l l cause t h e display t o return
II • ' II '
to
5 . If you m ake a m i st ake w h i l e e nt e r i n g t h e f re q u e n ­
c y a n d h a ve n o t y e t pressed the ENT key , or e n ­
tered t h e f i n a l d ig it , you m a y c a n c e l t h e i n put by
press i n g e i t h e r t h e C L EA R key o r sta n d b y s w i tc h .
,-,

3-2-4. A M reception

There a re cases d u ri n g A M broad c a st reception , w h e re
i nterference in noticeable w h e n S EL ECTIV ITY is W , but
the i n te l l i g i b i l ity i s poor w i t h the r a d i o in the M 2 posi­
t ion , d u e to a l a ck of high freq u e n c y response . If this
con d ition occ u rs p l a c e the S EL ECTIV ITY s w it c h to M 2
a n d rotate the TU NING d i a l
freq u e n c y . It s h o u l d be poss i b l e to f i n d a point w here
t h e i nterfere n c e w i l l be a l ittle g reate r , i n te l l i g i b i l ity
s h o u l d be i mproved .
A n ot h e r method u t i l ize s t h e exece l l e nt rec e i v e r stabil­
ity of t h e TS -440S b y s e l e ct i n g U SS o r LSB a n d t u n ­
i n g to one of t h e s i d e b a n d s of the A M s i g n a l . The o n l y
disa d v a n t a g e to t h i s m e t h od i s t h a t a 5 Hz b e a t tone
m ight be d etected along with the d e s i red receive signal.
3-3. TRANSMIT
3-3-1. S S B ( U S B, L S B ) mode
1 . S et the MOD E keys to U S B o r LS B . By i nt e r n a t i o n ­
a l con vention fre q u e n c i e s b e low 1 0 M H z util ize the
LSB (lo w e r S i d e b a n d ) m od e , a n d freq u e n c i e s
a bove 1 0 M Hz use U S B ( U p p e r S i d e b a n d ) . T h e a c ­
t u a l s w itchover poi n t o n t h e TS -440S is 9 . 5 M H z .
T h e TS -440S w i l l select t h e proper mode w h e n you
tune to the desired freq u e n c y . You c a n override this
b y s i m p l y p r e s s i n g t h e d e s i red mode key .
2 . S et t h e M et e r s w i t c h to A L C .
A L C PWR
3. Press the m i c rophone PTT sw itc h , or set the Stand­
by switch from R EC to S END .
4 . S pe a k into the m i c rophone a n d adjust t h e M IC g a i n
cont rol s o t h a t t h e m e t e r deflection d o e s n o t e x ­
ceed t h e A L C z o n e on voi c e pe aks .
A dj u st m e n t u s i n g t h e A LC meter p ro v i d e s g re a t e r a c ­
c u ra c y t h a n if you try a n d use the p o w e r m e t e r f o r a d ­
j u st m e n t . N e v e r adjust f o r A L C d e f l e c t i o n a bove t h e
A L C zon e , a s t h i s w i l l c a use d i stort i o n of the t r a n s m it­
ted audio s i g n a l .
3 5 7
s
A L C z o n e
Note :
D o not exceed t h e A L C zone on voice peaks .
+I
1 kHz from the center
-
SWR
9
13