Yaesu FT-991 Operating Manual Download

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HF/VHF/UHF A

ode

rAnsceiVer

FT-991

perATing

AnUAl

YAESU MUSEN CO., LTD.

Tennozu Parkside Building

2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan

YAESU USA

6125 Phyllis Drive, Cypress, CA 90630, U.S.A.

YAESU UK

Unit 12, Sun Valley Business Park, Winnall Close

Winchester, Hampshire, SO23 0LB, U.K.

Summary of Contents for FT-991

Page 1: ...anual YAESU MUSEN CO LTD Tennozu Parkside Building 2 5 8 Higashi Shinagawa Shinagawa ku Tokyo 140 0002 Japan YAESU USA 6125 Phyllis Drive Cypress CA 90630 U S A YAESU UK Unit 12 Sun Valley Business Pa...

Page 2: ......

Page 3: ...tion 37 CONTOUR Control Operation 38 IF SHIFT Operation SSB CW RTTY PKT Modes 39 WIDTH IF DSP Bandwidth Tuning SSB CW RTTY DATA Modes 40 NARROW NAR One Touch IF Filter Selection 41 IF NOTCH Filter Ope...

Page 4: ...5 Standard Memory Operation 76 Memory Groups 80 Operation on Alaska Emergency Frequency 5167 5 khz U S Version Only 81 VFO and Memory Scanning 82 VFO Scanning 82 Memory Scan 83 PMS Programmable Memory...

Page 5: ...3 FT 991 Operating Manual Accessories Options Supplied Accessories Hand Microphone MH 31A8J 1 pc A07890001 DC Power Cord 1 pc T9025225 Spare Fuse 25A 1 pc Q0000074 Operating Manual 1 pc Warranty Card...

Page 6: ...o Headphone FH 2 Remote Control Keypad VL 1000 VP 1000 Linear Amplifier AC Power Supply FC 40 External Automatic Antenna Tuner FP 1030A External Power Supply 13 8 VDC 25 A CT 118 VL 1000 Linear Amplif...

Page 7: ...e transceiver on Once the transceiver comes on you may release the buttons Full Reset Use this procedure to restore all Menu and Memory set tings to their original factory defaults All Memories will b...

Page 8: ...oupler must be used with this antenna type Any antenna to be used with the FT 991 must be fed from the transceiver with 50 Ohm coaxial cable Therefore when using a balanced antenna such as a dipole re...

Page 9: ...d in a V configuration and bonded together at the base of the V which is nearest the station location Use a heavy braided cable such as the discarded shield from type RG 213 coaxial cable and strong c...

Page 10: ...aused by application of AC voltage re verse polarity DC or DC voltage outside the specified range of 13 8 V 10 When replacing fuses be certain to use a fuse of the proper rating The FT 991 requires a...

Page 11: ...Page 9 FT 991 Operating Manual Installation and Interconnections Connection of Microphone and Headphone DOWN UP 5V MIC GND MIC PTT GND FAST...

Page 12: ...panel KEY jack according to the device you wish to connect For example you may connect your keyer paddle to the front panel KEY jack and use Menu item 018 F KEYER TYPE for paddle input The KEY jack o...

Page 13: ...nstallation and Interconnections VL 1000 Linear Amplifier Interconnections Be sure that both the FT 991 and VL 1000 are turned off and then follow the installation recommendations contained in the ill...

Page 14: ...lizing different ALC voltages will not work correctly with the FT 991 and their ALC lines must not be connected if this is the case Important Note Do not exceed the maximum voltage or current rat ings...

Page 15: ...uter keying interface operation via Menu item 011 F CW KEYER see page Note You cannot use a 2 contact plug in this jack to do so produces a constant key down condition PHONES Jack A 1 4 inch 3 contact...

Page 16: ...tton MENU This button is used to access the Menu system The various transceiver characteristics may be config ured SETUP Pressing and holding this button will BAND Button These keys allow one touch se...

Page 17: ...in line between the transmitter final amplifier and the antenna jack The TUNER icon will ap pear in the display Reception is not affected Pressing and holding in this button for two seconds while rece...

Page 18: ...on Pressing this switch during Split operation will change the tuning rate of the CLAR VFO B knob VFO B to 100 Hz step When this function is activated the FAST indica tor in the LED indicators area il...

Page 19: ...5 kHz 100 kHz Numbers in parentheses indicate steps when the FAST button is On Front Panel Controls Switches CLAR VFO B Knob During the VFO A operation this knob tunes the Clarifier offset frequency u...

Page 20: ...tor appears whenever the Three Band Parametric Microphone Equalizer is activated via the Menu NAR This indicator appears whenever the receiver s narrow IF DSP filter is engaged REC This indicator appe...

Page 21: ...ion this indicates the received signal strength from S 0 to S 9 60dB On transmission this indicates the RF Power Output from 0 to 150 Watts Advice The S PO meters can be set to the Peak hold function...

Page 22: ...nel Main Band RX TX Indicators Green Left This indicator illuminates when the receiver is ac tive on the main band VFO A Red Right This indicator illuminates when the transmitter is active on the main...

Page 23: ...le for making ground connections and please refer to page for other notes about proper grounding To prevent damage from lightning atmo spheric electricity electrical shock etc be certain to provide a...

Page 24: ...ance at this jack is 4 8 Ohms and the level varies according to the setting of the front panel AF GAIN knob Inserting a plug into this jack disables the internal loudspeaker GPS CAT Jack This 9 pin se...

Page 25: ...k switch to start transmission DWN Button Press the DWN Down button to scan the frequency downward FST Button Press the FST Fast button to increase the tuning rate by a factor of ten when scanning the...

Page 26: ...up to 20 seconds of audio may be stored on each channel For CW Messages and CW Text Messages up to 50 characters PARIS specification may be stored into each channel t u p q Buttons Usually these butt...

Page 27: ...ear panel Antenna jack s See page for details Is your microphone and or key or paddle connected See pages for details If using a linear amplifier have all interconnections been successfully completed...

Page 28: ...nsceiver turns on After about five sec onds the transceiver is ready for full operation 3 The transceiver will start up on 7 000 00 MHz LSB or the previously used operating frequency and normal operat...

Page 29: ...available for each operating mode Pressing the FAST button en gages the Fast tuning selection see chart be low Main Tuning Dial Knob Tuning Rate Operating Mode 1 Step 1 Dial Rotation LSB USB CW RTTY D...

Page 30: ...that rotation of the MULTI knob will allow selection of the memory channel 3 Memory channels 501 through 510 are pre programmed at the factory with the permitted fre quencies in the 5 MHz band and th...

Page 31: ...the Clarifier 1 Press the CLAR button The RX notation will ap pear in the TFT Display and the programmed offset will be applied to the receive frequency 2 Rotation of the CLAR VFO B knob will allow y...

Page 32: ...via Menu items 009 and 010 To adjust the illumination level 1 Press the MENU button to enter the Menu mode 2 Rotate the MULTI knob to select Menu item 006 DIMMER LED for LED indicators or 007 DIM MER...

Page 33: ...14 on the LCD 3 Program 14 195 MHz SSB Mode press the BAND button then touch 14 on the LCD With this configuration successive momentary touches of 14 on the screen displayed by the BAND button will a...

Page 34: ...onstantly in the center of the screen for monitoring conditions on both sides of your operating frequency and the FIX mode where the frequency is fixed to the left side of the screen for convenience i...

Page 35: ...to begin the direct frequency entry process 2 Touch ENT on the LCD The first digit of the fre quency the leftmost digit will blink 3 Enter in order the digits of the operating frequency touching the k...

Page 36: ...ive frequency components on an incoming signal or you may peak those tunable frequency segments The level of the null or peak and the bandwidth over which it is applied are adjustable via the Menu IF...

Page 37: ...To restore full signal strength through the Attenuator circuit area touch ATT on the LCD to restore the ATT display to the OFF position Advice If background noise causes a high S meter indication on c...

Page 38: ...g signals using a 2 stage low distortion RF preamplifier total gain approx 20 dB IPO Bypasses the RF preamplifier yielding direct feed to the first mixer The selected receiver RF preamplifier will be...

Page 39: ...3 If desired you may adjust the Noise Blanker level via Menu item 024 NB LEVEL to the point where the offending noise is best reduced or eliminated See box below for details 4 To end Noise Blanker op...

Page 40: ...th over which the Contour filter effect is applied may be adjusted using Menu item 113 CONTOUR WIDTH The factory default setting is 10 When the set value is increased the bandwidth becomes wider Refer...

Page 41: ...inate the interference The total passband tuning range for the IF SHIFT system is 1 kHz 1 Touch SHIFT displayed by pressing the F M LIST button repeatedly to reduce the interference Advice The display...

Page 42: ...efault 2 4 kHz RTTY DATA Modes 500 Hz 2 4 kHz default 500 Hz Using IF SHIFT and WIDTH Together The IF SHIFT and Variable IF WIDTH features together form a very effective interference fight ing filteri...

Page 43: ...SHIFT system The factory default bandwidths are Depends on the WIDTH setting Default Bandwidth ON 200 Hz 1 8 kHz 1 5 kHz 50 500 Hz 500 Hz 50 500 Hz 300 Hz 6 kHz 9 kHz OFF 1 8 3 0 kHz 2 4 kHz 500 Hz 3...

Page 44: ...of the Notch filter 3 To cancel the NOTCH filter touch NOTCH on the LCD The graphic disappears from the NOTCH indicator on the display confirming that the NOTCH filter is no longer in operation Advice...

Page 45: ...turn off confirming that the Digital NOTCH Filter is not active Digital Noise Reduction DNR Operation The Digital Noise Reduction DNR system is designed to reduce the level of random noise found on th...

Page 46: ...eceiver as the gain will be greatly reduced In this case the S meter will appear to be pegged against the right edge of the analog S meter scale Quick Point Reception frequently can be optimized by ro...

Page 47: ...n touch APF on the LCD The APF indicator will appear in the DSP display Advice When APF is engaged the peak position of the APF is depicted graphically in the NOTCH indicator on the display 2 Touch AF...

Page 48: ...lection is satisfactory for most situ ations but in the event of operation on a crowded band where you wish to receive a weak signal you may wish to change the setting to FAST The AUTO mode selections...

Page 49: ...on the LCD 4 Rotate the MULTI knob to adjust the receiver audio response as desired 5 Touch ENTER on the LCD to save the new set ting 6 Press the MENU button or touch BACK on the LCD to exit to norma...

Page 50: ...voice level Advice The indicator will light up in the LED in dicators area confirming that transmission is in progress When transmitting in the AM mode set a maxi mum carrier power output of 25 Watts...

Page 51: ...n be sure to check the frequency be fore transmitting to avoid interference to others who may already be using the frequency Four techniques for exercising Transmit Receive control are provided on the...

Page 52: ...justment tuning will occur yet The TUNER icon will appear in the display Quick Point The momentary press of the TUNE button will turn the tuner on and the microprocessor will automati cally select the...

Page 53: ...3 1 A High SWR may indicate a mechanical failure in the feed system and can lead to the generation of spurious signals causing TVI etc About ATU Memories SWR After tuning Less than 1 5 1 The tuner se...

Page 54: ...h processor is disabled press the F M LIST button then touch MIC EQ to select ON To adjust the Parametric Microphone Equalizer with the speech processor engaged press the F M LIST button then touch PR...

Page 55: ...he MIC EQ icon disappears 3 Stage Parametric Equalizer Adjustments Speech Processor OFF Center Frequency 119 PRMTRC EQ1 FREQ 100 Hz 700 Hz OFF 122 PRMTRC EQ2 FREQ 700 Hz 1500 Hz OFF 125 PRMTRC EQ3 FRE...

Page 56: ...ession meter 3 Press the F M LIST button then touch PROC on the LCD to select ON The PROC will appear in the display confirming that the Speech Processor is engaged 4 Press the PTT switch on the micro...

Page 57: ...ed bandwidth The available selections are 100 3000 Hz 100 2900 Hz 200 2800 Hz 300 2700 Hz and 400 2600 Hz The default is 300 2700 Hz A wider bandwidth will provide greater fidelity A narrow bandwidth...

Page 58: ...in the display 4 Press any of the FH 2 s keys numbered 1 through 5 to select that memory storage register Advice If you do not press the PTT key see next step with in five seconds the memory storage p...

Page 59: ...elect the LSB USB AM or FM mode using the front panel MODE button 2 Press the front panel F M LIST button then touch BK IN on the LCD 3 Press the FH 2 1 5 key whichever one you just recorded in A PLAY...

Page 60: ...LTI knob to the point where the transmitter is quickly activated by your voice without back ground noise causing the transmitter to activate 5 When you satisfied with the setting touch EN TER on the L...

Page 61: ...to ad just the audio level in the Headphones or speaker Clockwise rotation of this knob will increase the vol ume level 3 To switch the Monitor off again touch MONI on the LCD once more Confirming th...

Page 62: ...ifferent operating modes for ex ample LSB and USB on the two VFOs used during Split operation During Split operation it is also possible to set VFO A and VFO B to different Amateur bands if you use a...

Page 63: ...page As shipped from the factory the FT 991 TX RX system for CW is configured for Semi break in operation However using Menu item 057 CW BK IN you may change this setup for full break in QSK operatio...

Page 64: ...on the LCD is touched When you press either the Dot or Dash side of your paddle the CW keying tone will auto matically be generated 5 Touch BK IN on the LCD to engage automatic ac tivation of the tran...

Page 65: ...or touch BACK on the LCD to exit to normal operation A number of interesting and useful features are available during Electronic Keyer operation Using the Built in Electronic Keyer CW Mode Operation...

Page 66: ...MULTI knob to set the keyer to the desired mode The available selections are OFF The built in Electronic Keyer is turned off straight key mode BUG Dots will be generated automatically by the keyer bu...

Page 67: ...precisely matched to that of the other station Touch SPOT on the LCD again to turn the Spot tone off Advice In a tough DX pile up you may actually want to use the SPOT system to find a gap in the spr...

Page 68: ...1 Press the F M LIST button then touch BK IN on the LCD to enable CW transmission Menu item 057 CW BK IN must be set to SEMI 2 Press the MENU SETUP button to enter the Menu mode 3 Rotate the MULTI kn...

Page 69: ...GE If you want to use your keyer paddle for message entry on all memories set all five Menu items 017 021 to MESSAGE 4 Touch ENTER on the LCD to save the new set ting 5 Press the MENU SETUP button or...

Page 70: ...y storage please note that a mes sage stored using keyer paddle input will not be trans ferred over when you select Text Memory technique on a particular memory register the Menu Mode Setting is set t...

Page 71: ...CW Memory Register into which you wish to store the message we are now setting the message entry technique to Text entry 017 CW MEMORY 1 018 CW MEMORY 2 019 CW MEMORY 3 020 CW MEMORY 4 021 CW MEMORY...

Page 72: ...may also use the Main Tuning Dial knob and the MULTI knobs to program the message characters 6 When the message is complete add the character at the end to signify the termination of the message 7 Pre...

Page 73: ...necessary to reach the desired number If you go too far use the Contest Number Programming technique described previously Contest Memory Keyer Using the Optional FH 2 Remote Control Keypad Transmitti...

Page 74: ...icrophone gain may be accom plished in two ways At the factory a default level has been programmed that should be satisfactory for most situations However using Menu item 077 FM MIC GAIN you may set a...

Page 75: ...ion not used on a repeater 6 Press and hold the microphone PTT switch to begin transmission You will observe that the frequency has shifted to correspond to the programming you set up in the previous...

Page 76: ...is desired needed press the F M LIST button then touch TONE on the LCD to engage the CTCSS mode 3 Touch TONE on the LCD repeatedly to choose T SQL from the available choices of OFF ENC Tone Encoder T...

Page 77: ...ory Bank The Quick Memory Bank consists of five memories labeled Q 1 through Q 5 independent from the regular and PMS memories These can quickly store operating parameters for later recall RCL STO But...

Page 78: ...e the data on 4 Press and hold in the A M button for one second to store the frequency and other data into the selected memory channel A double beep will confirm that you have held the A M button in l...

Page 79: ...on of the label touch ENT on the LCD 8 Press the F M LIST button to save the new setting and return to normal operation Checking a Memory Channel Status Before programming a channel into memory you ca...

Page 80: ...ress and hold in the F M LIST button 2 Rotate the MULTI knob to select the memory chan nel that you would like to erase 3 Touch ERASE on the LCD Advice The FT 991 can not erase the memory channels 01...

Page 81: ...memory channel frequency is chang ing Advice During Memory Tune operation you may change operating modes and engage the offset Clarifier if desired 5 Press the V M button momentarily to return to the...

Page 82: ...exit Operation will now be restricted to the six Memory Groups To cancel Memory Group operation repeat steps 1 through 4 above choosing DISABLE in step 3 Advice To avoid confusion note that the PMS m...

Page 83: ...touch MCH on the LCD 8 Rotate the MULTI knob to select the emergency channel EMERGENCY which is found between channels 510 and 01 Note The receive mode CLARIFIER functions normally while using this fr...

Page 84: ...seconds On the SSB CW and SSB based Data modes the scanner will pause on a received signal then will step across the signal very slowly giving you time to stop the scan if you like In these modes on...

Page 85: ...an has paused on a signal pressing the mi crophone UP or DWN button will cause scanning to resume instantly If you press the microphone PTT switch during scanning the scanner will halt at once However...

Page 86: ...he range within the P 1L P 1U limits until you press the V M button to return to memory channel or VFO operation 7 Press and hold in the microphone UP or DWN but ton for one second to start scanning i...

Page 87: ...mmunications TU Terminal Unit to the rear panel RTTY PKT terminal Be sure to read the in structions manual of the device to connect when connecting See page for details on the connections and settings...

Page 88: ...ee page for details on the connections and settings to use the optional USB Interface Unit SCU 17 DATA PSK Operation Advice You can set the data output level for data communi cations PSK31 SSTV etc us...

Page 89: ...e Menu mode The display will show the Menu Number the Menu Group Name and the Menu Item 2 Rotate the MULTI knob to select the Menu item you wish to modify 3 Touch SELECT on the LCD then rotate the MUL...

Page 90: ...RAL 023 NB REJECTION 10 30 50dB 30dB GENERAL 024 NB LEVEL 0 100 50dB GENERAL 025 BEEP LEVEL 0 100 50 GENERAL 026 TIME ZONE 12 00 0 00 14 00 0 00 GENERAL 027 GPS 232C SELECT GPS RS232C GPS GENERAL 028...

Page 91: ...USB DATA MODE DATA 075 DATA OUT LEVEL 0 100 50 MODE FM 076 FM MIC SEL MIC REAR MIC MODE FM 077 FM MIC GAIN MCVR 0 100 30 MODE FM 078 FM OUT LEVEL 0 100 50 MODE FM 079 REAR PTT SELECT DAKY RTS DTR DAR...

Page 92: ...Q2 LEVEL 20 0 10 5 TX AUDIO 124 PRMTRC EQ2 BWTH 1 10 10 TX AUDIO 125 PRMTRC EQ3 FREQ OFF 1500 3200 100 step OFF TX AUDIO 126 PRMTRC EQ3 LEVEL 20 0 10 5 TX AUDIO 127 PRMTRC EQ3 BWTH 1 10 10 TX AUDIO 12...

Page 93: ...al 1 8 A Rx signal present 2 2 A Tx HF 50 MHz 100 W 22 A 144 430 MHz 50 W 15 A Supply Voltage DC 13 8 V 15 Negative Ground Dimensions WxHxD 9 01 x 3 15 x 9 96 229 x 80 x 253 mm Weight Approx 9 46 lbs...

Page 94: ...2 ON 0 18 V 144 146 MHz RF AMP 2 ON 0 18 V 430 440 MHz RF AMP 2 ON There is no specification for frequency ranges not listed Selectivity WIDTH Center Mode 6 dB 60 dB SSB CW Width 2 4 kHz 2 4 kHz or be...

Page 95: ...ation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Howe...

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Yaesu FT-991, Operating Manual

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