Yaesu FT-767GX, Руководство по эксплуатации

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4. 7
.
3
CW Transmission
The FT -767GX i nc l u d e s a n i n t er n a l e l ec t ro n ic
keyer, w h ich can b e used by connec t i n g keyer
paddles to t h e KEY j ack ( § 2. 2 (8 ) ) . You can
a l so use a s t r a i g h t key o r an ex t e r n a l e l ec ­
t ro n ic keyer, in w h ich cases t h e i n t e r n a l
keyer must be switched off.
Set up t he fo l low i n g con t ro l s :
MODE swi tches
. . • •
press CW
DR IVE control clockwise ( m ax )
VOX switch . . . . ON ( depressed)
FULL BK- IN switch
. • . • . • .
OFF (ou t )
/
( to the right of t h e VOX swi tch )
METER s e l ec to r . . . . . . A L C
MONI swi tch . . . . . . . . ON ( depressed )
A l so, i f you a r e u s i n g keyer p a d d l e s a n d t h e
internal keyer, press t h e KEYER swi tch on the
r i g h t s i d e of the p a n e l .
O t h e rw i s e, w i t h a
s t r a i g h t key or ex t e r n a l keyer, m ake s u r e t h e
KEYER switch i s OFF (out ) .
Wi t h t h e con t ro l s s e t as above, you are r e a d y
fo r s e m i b r e ak - i n o p e r a t ion. When you c lo s e
t h e key t he t r a ns m i t t er w i l l b e ac t i v a t ed, a n d
when you r e l e a s e t h e key the t r anscei v e r wi l l
r e t u r n to r ece i v e a f t er a s l i g h t de l ay ( se t b y
the DELAY control on the rear panel ) .
You shou l d b e ab l e t o h e a r t h e s i d e to n e f ro m
the loudspeaker (or headphones) when you close
the key.
If not, advance the MONI control for
com fortable sidetone volume.
To s e t t h e k e y e r s p e e d ( a nd to p r actice CW
t r an s m i ss ion ) , set t h e D R IV E con t ro l f u l l y
counterclockwise. Now when you close the key
the s i d e tone w i l l be h e ar d, b u t no pow e r w i l l
be transmitted. Adjust the KEYER control for
the d e s i r e d speed.
On t he a m a t e u r bands b e low 30 M H z you can
act i v a t e fu l l b r e a k - i n ( Q SK ) op e r a t io n b y
p r e s s i n g t h e FU L L BK - IN swi tch. T h i s a l lows
you to lis t e n to s i g n a l s on t h e channel be­
t w e e n do t s a n d dash es.
Whi l e t r a ns m i t t i n g, no t e t he i ndic a t ion on t h e
AL C scale of the meter. I f the meter deflects
f a r t h e r than the AL C zone reduce the O R I V E
co n t ro l set t i ng. A l so reduce the DR IVE l e v e l
if you want to reduce power output.
Yo u can a l so ac tiv a t e t h e c l a ri fier as des ­
cribed previous l y for S S B to retune on l y t h e
r ece i v i ng frequency.
4. 7 . 4 FM Transm i ssion
Fo r FM t r ans m i s s ion, j u s t s e l ect the FM mo d e
and close t h e P T T s w i tc h t o t r a ns m i t . Be low
30 MHz, power output should be held below 50
w a t t s.
Use t h e PO func t ion of t h e m e t e r to
observe power o u t p u t, or press the R F PW R
swi tch to d i s p l a y pow e r o u t p u t d i g i t a l l y, a n d
adjust the DR IVE control for 5 0 watts.
Power
o u t p u t is 10 w a t t s on V H F and U H F (wi t h t h e
o p t io n a l B a n d Mo d u l e s i n s t a l l ed ) .
T h e M I C
g a i n con t ro l, speech p rocessor and TX S H I FT
con t ro l s do no t f u nc t io n d u r i n g FM t r a n s m i s ­
sion, but you can u s e t h e VOX sys t e m a n d I F
monitor to lis t e n t o you r t r an s missions a s
described for S S B t r a ns m i s s ion ( § 4. 7. 2 ) .
I f wo rking t hrou g h rep e a t e rs t h a t requi r e a
Burst tone ( and you have t he FTE-2 Burst U nit
i ns t a l l ed ) , set the T EN C s wi tch on an d clo s e
the PTT to send the tone. Then set the T ENC
s wi tch o f f. The to n e is t r a n s mi t t e d whi l e t h e
T ENC switch and PTT are both depressed.
I f the optional FTS - 8 C T C S S Unit is installed,
a f t e r set ting t h e to n e f r e q u e ncy as desc r i b e d
i n § 4.12, turn t h e T EN C swi tch on i f you
require a C T C S S tone. When you transmit, the
subaudib l e to ne wi l l be s e n t a long wi t h you r
voice.
S e e § 4.11 fo r de t a i l s of s p l i t - frequency s e l ­
ectio n.
4. 7. 5
AM
Transm ission
Preset the MI C gain and OR I VE controls fully
counterclockwise ( m inimum ), and set the METER
selector to PO. Also, press the RF PWR switch
so you can observe pow e r o u t p u t on bo t h t h e
m e t e r a n d digi t a l dis p l ay.
C lose the PTT swi tch o n the micropho ne a n d
advance the DR IVE control while watching the
digi t a l disp l a y :
pow e r s hou l d be h e l d be low
25 w a t t s on H F, a n d b e lo w 3 w a t t s on V H F o r
24 -