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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 

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) 

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 

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. 

5  -

Summary of Contents for FT-767GX

Page 1: ...FT 767GX OPERATING MANUAL YAESU MUSEN CO LTD TOKYO JAPAN...

Page 2: ...ssband Shift 20 4 6 8 IF Notch Filter 20 4 6 9 AGC Automatic Gain Control 20 Section Page 4 7 Transmitter Operation General 21 4 7 1 SWR Measuring Ant Matching 21 4 7 2 SSB Transmission 22 4 7 3 CW Tr...

Page 3: ...lating digital SWR meter digital RF watt meter synchronous tracking VF Os and autospeed AGC when tuning or scanning Popular operating conveniences such as dual A B independent VF Os ten memories stori...

Page 4: ...9 MHz option Transmitting frequency ranges 1 5 to 1 99999 MHz 3 5 to 3 99999 MHz 7 0 to 7 49999 MHz 10 0 to 10 49999 MHz 14 0 to 14 49999 MHz 18 0 to 18 49999 MHz 21 0 to 21 49999 MHz 24 5 to 24 99999...

Page 5: ...ance 500 600 ohms 1 3 RECEIVER Circuit type trip l e c onversion superheterdyne Intermediate frequencies 45 03 MHz 8 215 MHz and 455 kHz Sensitivity see chart below Image rejection 1 5 to 30 MHz 70dB...

Page 6: ...SB or AM m odes this control sets the processor drive level 6 SQL NB The inner S Q L sq ue l c h con t ro l sets the sig nal threshold level a t which receiver audio is muted in all modes When the opt...

Page 7: ...dvertent fre 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 andby NB wi th green LED activates the noise b l anker APF with green L...

Page 8: ...n of this key right arrow causes the b linking dis p l ay digit selected for keypad frequency e n t ry to shif t one pl ace t o the righ t K eypad frequency entry is described later in the Operation s...

Page 9: ...pres sed this key must be pressed to return the display and keypad to normal default oper a tion 7 AC 0 The defau l t function requires two presses o f this key in succession and cancels c l arifier...

Page 10: ...spl ayed par ameter 20 MODE Selector Pushbuttons These six m o m en t ary but t ons select the oper ating mode of emission 21 Display The diagram below shows the various segments of the displ ay 22 CA...

Page 11: ...C button causes the meter to indicate FM discriminator cen te r tuning ins t e ad o f signal strength in the F M mode Meter func tions in other modes are unaffected The dis c rimina t o r meter indic...

Page 12: ...while receiving 4 n RX front end RX ANT phono jack TX PA 11 12 4 RF OUT EXT ALC TX GND Jacks The RF OUT phono jack provides a low level 6dBm 50 ohms 0 1 Vrms output of the t r ansmit signa l HF only T...

Page 13: ...wit h t h e MO X swi tch a n d a l l ows act i v a t ion of t he t r ansmit te r by external devices such as a packet TNC or a footswitch Open circuit vol tage is 8V DC and closed circuit current is...

Page 14: ...changing the taps 1 Disconnect all cables from the transceiver 2 Remove the two screws affixing each VHF or UHF Band Module and slide the modules out of the transceiver Figure 1 3 Remove the two screw...

Page 15: ...g 0 4ft cooooo 0 0 0000 Figure 1 Figure 2 Figure 3 00 0 0 0 000 effr c 0 Figure 4 Figure 5 Figure 6 Figure 8 Figure 7 Figure 10 AC AC AC AC AC AC 234V 220V 200V 117V 110V 100V 13 Figure 11 Figure 9 PO...

Page 16: ...air in at the lower rear of the transceiver and to expel warm air out of the top toward the back Do not place the transceiver on top of another heat generating device such as a linear amplifier and do...

Page 17: ...sceiver is to be stored for an extended period After five or more years of operation the transceiver may fail to retain memories at which time the lithium battery should be replaced Contact your deale...

Page 18: ...s 4 1 Preliminary Steps Before plugging in the power cord to the wall outlet double check that the AC voltage label on the rear panel match your line voltage Also set the BACKUP switch on undepressed...

Page 19: ...767GX the tuning k nob the DOWN UP keys just above the tuning knob labelled PROGRAM and the microphone mic u p down but tons The tuning steps an d rates for each tuning method have both a norm al and...

Page 20: ...urther to the righ t press the TRA C K key to shift the b linking digit one p l ace to the right To shift the b linking digi t one p l ace to the le ft press t he PMS V U key Notice that this key must...

Page 21: ...as t R eception 4 6 4 R F AMP Switch This switch l eft side of the panel second from righ t activates the receiver RF a m p li fier fo r incre ased sensitivity below 30 M H z However the receiver also...

Page 22: ...e s a m e n a m e to the left of the t u n i ng k nob and adj usted b y the inner knob of the middle control at the bottom right Whi l e activated the indicator n ex t to the NOTC H switch glows green...

Page 23: ...he transmitter In t his c ase however b e careful not to speak or m ake noises in the microphone when transmitting as that cou l d c ause severe inter ference t o o t her s t ations on ne a rby freque...

Page 24: ...ode and proceed with normal operation I f WARN is indicated the tuner cou l d no t find an acceptable m atch you wil l need to find another frequency where the antenna does m a tch or rep lace or read...

Page 25: ...you just as you hear yourse l f if they have a good receiver VOX Voice actuated Transmit Switching I n any of the voice modes you can activate the VOX system to auto m atica l l y activa t e the t ran...

Page 26: ...an the AL C zone reduce the O R IV E contro l set t i ng Also reduce the DR IVE level if you want to reduce power output You can also activa t e the clari fier as des cribed previously for S S B to re...

Page 27: ...AFSK at the PATC H IN jack o n the rear panel Remove the m icro phone fro m the M I C j ack so that ext r a n eous sounds do not i n ter fere with your trans m i t ted signal The PRO C and TX SHIFT s...

Page 28: ...rating on a VFO the selected fre quency and mode wil l be ins t a n t l y writ ten into the l as t selected m e mory In any case storing a memory overwrites all data previously s tored in t h a t chan...

Page 29: ...ed 2 Press MR to recall the memories 3 Press S CAN to start the scanner T h e f i r s t c h a n n e l h a v i ng a s i g n a l s t r o ng enough to o pen the squelch will halt the scan ner which can b...

Page 30: ...l ay press O FFSET again To cancel sp lit t r ack o f fset or clarifier operation or any co m bination o f these press either the keys of the same name or press the A C key t w ice which cancel s a l...

Page 31: ...sec tion are p rovided to your experimentation and hopefu l l y shorten learni ng tim e 4 1 3 1 Weak S ignal S SB Reception guide he l p Weak S S B signals b y de finition are very c lose to the backg...

Page 32: ...s e t p ro p e r l y sig n a l to noi s e q u a li t y should be almost as good as FM 4 1 3 3 Suppressin g Man m ade I nterference I f unwanted s t a tions are heard near the s igna l you are lis ten...

Page 33: ...tivate QSK 2 Set the DRIVE control to minimum and squee z e the keyer paddles Tune the receiver for a heterodyne of the s a m e pitch o n the nearest 25 kHz marker 3 Turn on the APF and adjust the con...

Page 34: ...tuned to the carrier channels when you change stations Note When the FT 767GX is first turned on about 15 to 30 minutes may be required f o r t h e o s ci l l a t o r s t o s t a bi liz e T h e receiv...

Page 35: ...such as the GLB PKT I connect the center contact of the DATA IN OUT jack to the recei ving input on t he t n c output level is 800mV at 10 kilohms so make sure your tnc can han dle this h i gh l evel...

Page 36: ...such I n s t ructions are execut ed so their value is irrelevant they need not be z eroed A fter the computer sends the first Com m an d Block the 767 should echo the same Block back to the com puter...

Page 37: ...1 2 3 4 LSD S i z e C A T S W O O h o 1 xx xx xx o 1 va lue O O ON 0 1 0FF 8 6 CHECK 0 1 h xx xx xx xx No oo return S t a t u s On l v 8 6 UP 1 0 H z 0 2 h xx xx xx xx Sten freauencv u o 1 0 H z 5 DN...

Page 38: ...w i t h l e a d i n g z e r o f i l l t o t h e 1 O O s o f M H z d i g i t EXAMPLE 0 1 2 3 4 5 6 7 MHz Addr e s s Addre s s 3 0 1 h 4 5h Addre s s 2 Addre s s 4 2 3 h 6 7h TABLE _ __ CTCSS TONE DATA...

Page 39: ......

Page 40: ...YA E SU v E2 2 0 0 1 0 0 9 0 3 Q EK...

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