background image

CONTENTS 

Section 

Page 

§1.0 

SPECIFICATIONS 

.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  2 

1.1 

General 

1.2 

Transmitter 

1.3 

Receiver 


§'l.O 

CONTROLS,  SWITCHES 

CONNECTORS 

2.1 

Front  Panel  Controls 

2.2 

Rear  Panel  Jacks 

Switches 

10 

tn.O 

INSTALLATION 

..

.

..

.

.....

.

.

.

... 14 

3.1 

Preliminary  Inspection 

14 

3.2 

Power  Connection 

14 

3.3 

Transceiver  Location  and  Grounding 

14 

3.4 

Antenna 

�d

erations 

14 

3.5 

Interconnection  of  Accessories 

14 

3.6 

Memory  Backup 

15 

3. 7 

Tuning  Knob  Steps 

15 

§4.0 

OPERATION 

.  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  16 

4.1 

Preliminary  Steps 

4.2 

Initial  Power  Up,  Band  Selection 

4.3 

Mode  Selection 

4.4 

Tuning  Methods 

4.5 

Keypad  Frequency  Entry 

4.6 

Controls  for  Enhancing  Reception 

4.6.1 

Noise  Blanker 

4.6.2 

RF  Gain  Control 

4.6.3 

NARrow  IF  Filter  Selection 

4.6.4 

RF  AMP  Switch 

16 
16 

17 
17 
18 

18 
18 
19 

19 
19 

4.6.5 

ATTenuator  Switch 

19 

4.6.6 

APF  (Audio  Peak  Filter) 

19 

4.6.7 

IF  Passband  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  Transmission 

24 

4. 7 .4 

FM  Transmission 

24 

4. 7 .5 

AM  Transmission 

24 

4. 7 .6 

RTTY,  HF  Packet 

SSTV 

Transmission 

25 

4.8 

Programmable  Tuning  Steps 

25 

4.9 

Memory  Operation 

26 

4.9.1 

Memory  Storage 

26 

4.9.2 

Memory  Recall 

26 

4.9.3 

Changing  Memory  Frequency 

26 

4.10 

Scanning 

27 

4.10.1 

Memory  Channel  Scanning 

27 

4.10.2 

Programmable  Memory  Scanning 

27 

4.11 

Split  Frequency  Operation 

27 

4.11.1 

Offset Frequency  Memory 

28 

4.12 

Tone  Squelch  Operation 

29 

4.13 

Tips  for  SSB  (LSB/USB)  Operation 

29 

4.13.1 

Weak  Signal  SSB  Reception 

4.13.2 

Strong  Signal  SSB  Reception 

4.13.3 

Suppressing  Interference 

4.13.4 

Miscellanea 

4.14 

Tips  for  CW  Operation 

4.15 

Tips  for  AM  Broadcast  Reception 

4.16 

Tips  for  FM  Communications 

4.17 

VHF  Packet  (F2  Mode)  Operation 

4.18 

CAT  System  Computer  Control 

29 

30 
30 
30 

31 
32 
32 

33 
34 

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...

Reviews: