Yaesu FT-767GX, Руководство по эксплуатации

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(8)
2- Position Pushbutton Switches
VO X: e n a b l e s a u t o m a tic voic e - a c t u a t e d
transmit/receive switching i n SSB, A M and
FM modes; semi break-in keying in CW mode;
and t o n e-a c t u a t e d t r a n s m i t/receive s wi t ­
ch i n g i n F S K mode. Thi s button mus t be
pressed together with the Full BK - IN but ­
ton for QSK operation.
F ULL BK-IN:
activates full break -in CW
( Q S K ) on the hf b ands. When a c tiv a t ed,
the receiver wi l l b e a u dib l e b e t ween di t s
and dahs. The VOX button must b e depres­
sed for this swi t ch to func t i on.
PRO C:
enables the rf speech processor in
S SB and
AM
modes. Processing level is set
by the control with the same name.
MONI: enables the C W sidetone monitor in
CW mode, and the transmit ( I F ) m onitor in
other modes. Volume is set by the control
with the sa me nam e.
TX SH IF T : e n ab l es c u s to m s e t t i n g of t h e
t r ansm i t te r I F b a ndpass i n S S B modes,
using the control of the same name.
T ENC:
gene r a tor
installed ) ,
gene r a tor
o p t io n a l
i n s t a l l ed.
act i v a t es e i t h e r the Burst Ton e
( w hen t h e FTE - 2 Burst U n i t i s
o r the C T C S S ( subaudible) tone
on FM t r ans m i s s i on s when t h e
F T S - 8 To n e S q u e l c h U n i t i s
NAR: se l ec t s n a r row I F f i l t e r i n g i n C W
and AM modes. Narrow
AM
- 6dB bandwidth is
2. 7 kHz, and narrow C W is 600 Hz.
RF AMP: activates the receiver front - end
RF a m p l i fier for e x t r a s e n s i t i v i ty on H F
bands, when needed.
ATT: adds a 20dB attenuator between the
a n t e n n a and the receiver f r o n t end for
e x t r a i m m u n i ty to ove r load on the HF
b a nds, when needed. The ' ATT' i ndic a t or
LED b e lo w t h e d i sp l ay w i n dow i s l i t w h e n
th i s b u t ton i s depressed.
(9) Pushbuttons wi th LED I ndicators
D LO CK ( w i th red LED ) :
d i s a b l e s the
t u ning knob t o p r e v e n t inadve r t e n t f r e ­
quency changes.
MUTE ( wi th yel low LED ) : disables receiver
a u d io , for k e e p i n g t h e r e c e i v e r on i n
s t an dby.
NB
( wi th green LED ) : ac t i v a t e s t h e noi s e
b l a n k er.
APF ( with green LED ) : activates the audio
p e a k f i l t e r ( for C W reception ) .
NOTCH ( with green LED ) : activates the I F
no t c h fi
1
t er.
( 10)
Tuning Knob
Con t ro l s d i s p l ayed frequency i n s e l e c t ab l e 10
Hz or 100 Hz steps.
(11) T DOWN .A. UP PROGRAM Keys
T u n e dis p l ayed frequency i n p r o g r a m m ab l e
s t e ps, which m ay be di f fe r e n t f o r e a ch m ode.
P r essi n g and ho l di n g one o f these k eys for
m o r e th an o n e h a l f second a c t i v a t e s m u l ti p l e
s t e ppi n g in the p r o g r a m m ed s t eps.
S t e p s are
o r i gi n a l ly pre:3e t at the f a c t o ry t o 5 kH z for
a l l m o des.
( 1 2 ) SH IFT --@--TONE
The i n n e r S H I FT c o n t ro l a l l ow s the c e n t e r o f
the r e c eiver I F p a s s b a n d t o be posi t i oned
above o r b e l ow th at o f the received si g n a l , to
e li mi n a t e i n t e r f e r ence from sig n a l s on adj a ­
c e n t f r e q u e nci es. N o r m a l s e t ti n g i s the 12
o ' c l o c k position.
The outer TONE control adjusts receiver audio
ch a r a c t eri s tics i n a l l m o des.
(13) BAND
I
MCH Keys
U s e th es� k eys t o s e l e c t o p e r a ti n g f r e q u e n cy
band or memory channel ( according to the o per­
ating st atus selected by the keypad).
The key
011
the l e f t s t e p s down, and the key on the
ri gh t s t e ps up. P ress and ho l d for a h a l f
second for multiple stepping. I n General Cov­
erage m ode, steps are 500 kHz.
I n Ham mode,
s t e ps a r e i n 500 k H z h a m b a n d se g m e n t s. I f
the F T S - 8 Tone S q ue l ch Unit is i n s t a l l ed,
the s e k eys a l so s e l e c t tone f r e q u e n cy.
(14) NOTCH--@-- APF
The inner NOT C H control adjusts the frequency
o f the I F n o t ch wi thi n the r eceiver p a s sband
when the NOT C H button is depressed, except in
the FM mode.
The outer APF ( Audio Peak Filter) control ad­
j u s t s the f r e q u e ncy o f the fi l t er p assband
d u ri n g C W ope r a tion whe n the APF bu t t on is
d e p r e s s e d.
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