L'l.o Controls, Switches & Connectors; F'ront Panei Controls - Yaesu FT-767GX Operating Manual

2.0 CONTROLS, SWITCHES
2.1 FRONT PANEL CONTROLS
(1) POWER
This button turns the transceiver on and off.
(2)
MOX
Tbis buuon manually
when depressed. This buuon must
undepressed posltion
au1omatlc transmltter actlvation via the VOX
and semi brealt-ln or QSK systems.
(3) MIC Jack
This 8-pln jack accepts 1he MD-188 Desktop
Microphone, MH-188 Handie Scanning Mlcrophone,
or the YM-48A 1-landle DTMF Scanning Mlcrophone.
Mie plnouts are shown on page
microphone input lmpedance Is
(4) PHONES
Jack
This 3-contact Jack accepts either stereo or
monaural headphones with a
When a plug Is inserted lhe Internai or
plug.
externa! loudspeaker is d1sabled.
(5) MIC-@- DRIVE
The inner Ml C control
auclio ampUfter galn during SSB and
misslon. Output power for SSB transmlssion
and modulation levei for AM transmission are
set by this control when the speech processor
is o f f .
Th e DRIVE control sets the ttansmltter carrler
levei for CW, AM, FSK and FM Lransmiss1on.
when the speecb processor is used ln SSB
Also,
or AM modes, thls control sets the processor
drive levei.
activates the transmitter
be
in the
for receptlon, and for
9.
Acceptable
600
500 to ohms.
2-
or 3-contact
sets the transmiuer
AM
trans­
& CONNECTORS
(6)
SQL% NB
The inner SQL (squelch) control sets the slg­
nai threshold leve! at wbicb receiver audlo is
ali
muted, ln modes.
Tone Squelch Unit i s installed,
knob fully .counterclockwlse
posltlon actlv8les
Set thls control counterclockwise but not loto
the cllclt-stop for unsquei.hed receptlon.
The outer NB (Noise 61anker) control adjusu
the width of the blanking pulse when the noise
blanker i s actlvated durlng receptlon.
very far clockwise recelver audio may be dis­
torted.
AF
(7)
�- RF
The lnner AF gain control adjusts the audlo
volume of the receiver output ln the speaker
or headphones.
The outer RF galn control adíusts the gain of
lhe receiver RF and IF amplifiers.
trol is normally
maxlmum sensitivily.
clockwlse from maximum, the S-meter minimum
deflection poinl will move up the sc11-le.
peak deflection
remam the same
levei set by this
wlll be insensltlve to weaker slgnals.
control also afreccs
should be preset fuJly clockwise when setting
the squelch threshold.
-4-
When tbe optlonal FTS-8
turnlng thls
loto the T S Q L
tone squelch (FM
Tbls con­
set f u l l y clockwlse
When rotaced counter­
for a particular signal
if lt Is greater than
control, but the receiver
the SQL settlng,
only).
lf set
for
The
will
the
This
and