Yaesu FT-767GX, Operating Manual

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2.0
CONTROLS, SWITCHES
&
CONNECTORS
CD®®® ®
®
2.1
FRONT PANEL C ONTROLS
(1) POWER
This b u t t o n t u r n s t h e t r ansceiver on a nd o f f.
(2) MOX
This button m anually activates the transmitter
when d e p r e s s ed. This b u t t o n m us t be i n t h e
und e p r e ssed posi tion f o r reception, and fo r
a u t o m a tic t r a n s mi t ter a c ti v a tion vi a t h e VO X
and semi break-in or QSK systems.
(3) MI C
Jack
This 8-pin j ack accep t s t h e MD -188 D e s k t o p
Microphone, MH-1B8 Handie Scanning Microphone,
or the YM-48A Handie DTMF Scanning Microphone.
Mic pi n o u t s a r e shown on p age 9 . Accep t ab l e
microphone input impedance is 500 t o 600 ohm s.
(4) PHONES J ack
This 3 - c o n t a c t j ack accep t s ei t h e r s t e r eo o r
m on a u r a l h e ad p h o n e s wi t h a 2 - or 3 - c o n t act
p l ug. When a p l ug is i n s e r t ed t h e i n t e r n a l or
e x t e r n al l o ud s p e aker is disab l ed.
(5) MIC---@-- DRIVE
The inner M I C c o n t r o l s e t s t h e t ra n s mi t t e r
audio amplifier gain during S S B and AM trans­
mission.
O u t p u t power for S S B t r a n s mission
and m od u l a tion l eve l for A M t r a n s mission are
set by t his c o n t r o l when t h e spe ech processor
i s o f f .
The DR IVE control sets the transmitter carrier
l e v e l for C W, AM, F S K a nd FM t r a n s mission.
Also, when the speech processor is used in SSB
or AM m od e s , t his control sets t h e p r ocessor
drive l e v e l .
(6)
SQL---@-- NB
The i n n e r S Q L ( sq ue l c h ) con t ro l s e t s t h e sig ­
n a l t h r e sh o ld l e v e l a t which receiver audio i s
muted, i n a l l modes.
When the optional FTS -8
Tone S q u e l c h Unit is ins t a l l ed , t u r ni n g t his
knob fu l l y c o u n t e rc l ockwise into t h e T S Q L
pos1t10n a c tiv a t e s t one squelch ( F M o n l y ) .
S et t his c on t ro l c o u n t ercl ockwi s e b u t n o t i n t o
t h e c lick - s t o p f o r u n s q u e l ched r e c e p tion.
The outer NB (Noise Bl anker ) con t ro l ad j u s t s
the width o f t h e blanking pulse when the noise
b l an k e r is a c ti v a t ed during r e c e p tion.
I f set
very f a r c l ockwise receiver audio m ay b e dis ­
t o r ted.
(7)
AF% RF
The inner AF gain c o n t r o l ad j u s t s the audi o
vo l u m e o f the receiver o u t p u t i n the s p e a k e r
or he adphones.
The o u t e r RF gain c o n t r o l ad j u s t s t h e g ain o f
the receiver RF a nd I F a m p li fiers. This con ­
t r o l i s n o r m a l ly s e t f u l ly c l o c k wi s e f o r
m axi m u m sensi tivi ty.
When ro t a t ed co u n t e r ­
clockwise from m aximum, the S-meter minimum
d e f l e c tion poi n t wi l l m ove up th e s c a le. The
peak def l e c tion for a p a r ticu l a r sign a l wi l l
r e m ain the s a m e i f i t i s g r e a t e r th a n t h e
l ev e l s e t b y this c o n t r o l , b u t the receiver
wi l l b e i n s e n si tive t o weaker sig n a l s.
This
con t r o l a l s o a f f e c t s the S QL s e t ting, and
should b e p r e s e t fu l l y c l ockwise whe n s e t ti ng
the s q u e l ch t h r e sh o ld.
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