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Yaesu
Two-Way Radio
FT-991
Operating Manual

Yaesu FT-991 Operating Manual

Other manuals for FT-991: Operating Manual, Reference Book, Instruction Manual, Reference Book, Instruction Manual

Manual is about: HF/VHF/UHF All Mode Transceiver

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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.

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Summary of FT-991

Page 1
Hf/vhf/uhf a ll m ode t ransceiver ft-991 o perating m 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, hamps...
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A bout t his m anual . . . The ft-991 is a leading-edge transceiver with a number of new and exciting features, some of which may be unfamiliar to you. In order to gain the most enjoyment and operating efficiency from your ft-991, we recommend that you read this manual in its entirety, and keep it h...
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Page 1 f t-991 o perating m anual g eneral d escription built-in high-brightness tft full-color display with touch-panel functionality the ft-991 is equipped with a 3.5 inch full-color tft display. Functions, including the receiving band, the noise and signal interference reduction tools are graphic...
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Page 2 f t-991 o perating m anual g eneral d escription microphone amplifier that includes parametric equalizer (see page 63.) the microphone amplifier equalizer feature is equipped with a three-stage parametric equalizer that can alter the low, mid, and high frequencies of the audio separately; thi...
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Page 3 f t-991 o perating m anual t able of c ontents general description ..................................................... 1 table of contents ......................................................... 3 accessories & options ................................................. 5 supplied accessori...
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Page 4 f t-991 o perating m anual t able of c ontents operation on alaska emergency frequency: 5167.5 khz (u.S. Version only) ............................... 106 vfo and memory scanning ................................... 107 vfo scanning ...................................................... 107 me...
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Page 5 f t-991 o perating m anual a ccessories & o ptions s upplied a ccessories dc power cord han d microphone (mh-31 a8j ) spare fuse (25a) operating manual warranty card world map sticker the illustrations above may vary slightly from the actual accessories..
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Page 6 f t-991 o perating m anual a ccessories & o ptions a vailable o ptions for details, see “installation of optional accessories” on page 139 or the catalog. Ultra-high-fidelity desktop microphone md-200 a8x lightweight stereo headphone yh-77sta remote control keypad fh-2 linear amplifier/ac pow...
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Page 7 f t-991 o perating m anual b ase s tation w ire s tand the heavy wire stand on the bottom of the transceiver allows the transceiver to be tilted upward for better viewing. Sim- ply fold the stand forward to raise the front of the transceiver, and fold it back against the bottom case to lower ...
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Page 8 f t-991 o perating m anual b efore y ou b egin a djusting the c lock use the following procedure to adjust the clock shown at the top right of the lcd display. 1. Press and hold the menu(setup) button. 2. Touch [time/date] on the lcd. Menu(setup) button lcd 3. Enter the present time with the ...
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Page 9 f t-991 o perating m anual i nputting the c all s ign when turning on the power for the first time after purchase, or after resetting the transceiver, enter your own call sign. The call sign will be displayed on the start screen when turning on the power and will be used to identify the stati...
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Page 10 f t-991 o perating m anual b efore y ou b egin r esetting the m icroprocessor r esetting m emories (o nly ) use this procedure to reset (clear) the previously stored memory channels, without affecting any configuration changes you may have made to the menu settings. 1. Press the front panel ...
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Page 11 f t-991 o perating m anual a ntenna c onsiderations the ft-991 is designed for use with any antenna system providing a 50 ohm resistive impedance at the desired oper- ating frequency. While minor excursions from the 50-ohm specification are of no consequence, if the standing wave ratio (swr)...
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Page 12 f t-991 o perating m anual b efore y ou b egin g rounding the ft-991 transceiver, like any other hf communications apparatus, requires an effective ground system for maxi- mum electrical safety and best communications effectiveness. A good ground system can contribute to station efficiency i...
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Page 13 f t-991 o perating m anual b efore y ou b egin c onnection of a ntenna and p ower c ables please follow the outline in the illustration regarding the proper connection of antenna coaxial cables, as well as the dc power cable. The dc power connector for the ft-991 must only be connected to a ...
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Page 14 f t-991 o perating m anual c onnection of m icrophone , h eadphone and r emote c ontrol k eypad lightweight stereo headphone yh-77sta down up +5v mic gnd mic ptt gnd fast n ote : make sure to turn off the power of the transceiver before connecting or disconnecting the microphone. Remote cont...
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Page 15 f t-991 o perating m anual i nstallation and i nterconnections k ey , k eyer , and c omputer -d riven k eying i nterconnections the ft-991 includes many features for the cw operator. These functions will be detailed in the “operation” section later. Besides the built-in electronic keyer, two...
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Page 16 f t-991 o perating m anual vl-1000 l inear a mplifier i nterconnections be sure that both the ft-991 and vl-1000 are turned off, and then follow the installation recommendations contained in the illustration. N ote : refer to the vl-1000 operating manual for details regarding amplifier opera...
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Page 17 f t-991 o perating m anual i nstallation and i nterconnections p lug /c onnector p inout d iagrams mic gps/cat down up +5v mic gnd mic ptt gnd fast ① dcd ② serial out/rxd （gps data in） ③ serial in ④ dtr ⑤ gnd ⑥ dsr ⑦ rts ⑧ cts ⑨ ri ① ② ③ ④ ⑤ ⑧ ⑨ ⑦ ⑥ (as viewed from front panel) (as viewed fr...
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Page 18 f t-991 o perating m anual on/off switch press and hold in this switch for one second to turn the transceiver on. Similarly, press and hold in this switch for one second to turn the transceiver off. M connect the ft-991 transceiver to a commercial- ly available dc power supply. Turn the dc s...
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Page 19 f t-991 o perating m anual f ront p anel c ontrols & s witches f(m-list) button pressthebuttonbrieflytodisplaythefunctionmenu screenwheretheoperationsettingsforavarietyof functionsmaybeconfigured. Pressthisbuttonagaintoclosethefunctionmenu screen. Pressandholdthisbuttonformorethanonesecond t...
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Page 20 f t-991 o perating m anual a=b button pressing this button momentarily, sets the same fre- quency and data values of vfo-a to vfo-b. A/b button pressing this button momentarily, exchanges the frequency and memory channel data, of vfo-a and vfo-b. Rcl/sto button press and hold this button for...
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Page 21 f t-991 o perating m anual f ront p anel c ontrols & s witches main tuning dial knob this large knob adjusts the operating frequency of vfo-a. Rotate clockwise to increase the operating frequency and rotate counter-clockwise to decrease the operat- ing frequency. O perating m ode 1 s tep 1 d...
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Page 22 f t-991 o perating m anual operating mode indicators displays the current operating mode. Vfo-a operating in vfo-a mode mem operating in memory mode mt the memory tuning feature is in use qmb operating with the quick memory feature pms programmable memory scanning mck the memory check functi...
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Page 23 f t-991 o perating m anual tft l iquid c rystal d isplay a bout the d isplay play the voice memory/contest memory keyer func- tions are in use. Play: playing, rec: recording rec s-meter displays the reception signal strength. To change the meter peak hold time 1. Press the menu(setup) button...
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Page 24 f t-991 o perating m anual a bout the d isplay led i ndicators displays the transmit/receive status of the transceiver, and the main dial “fast” and “lock”. Rx indicator tx indicator lock indicators fast indicators main band rx/tx indicators sub band rx/tx indicators memory mode rx/tx indica...
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Page 25 f t-991 o perating m anual r ear p anel gnd use this terminal to connect the transceiver to a good earth ground, for safety and optimum performance. Use a large diameter, short braided cable to make the ground connections. For details on grounding the transceiver, see “grounding” on page 12....
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Page 26 f t-991 o perating m anual r ear p anel usb jack connect a computer with a commercially available usb cable to control the transceiver remotely from the computer using the cat command. Inputting/outputting audio signals and transmission control can also be done from the computer. N ote : to ...
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Page 27 f t-991 o perating m anual mh-31a8j m icrophone s witches ptt switch switches transmission/reception. Press to transmit and release to receive. Dwn button press the dwn (down) button to scan the frequency downward. Fst button allows switching the frequency variation (step), working in the sa...
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Page 28 f t-991 o perating m anual o ptional fh-2 r emote c ontrol s witches with the optional remote control keypad fh-2, you can record and transmit your voice (voice memory) and control the contest memory keyer during cw operation. M on ssb/am/fm modes, five channels of storage and playback of vo...
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Page 29 f t-991 o perating m anual the optional mh-36e8j is a handheld microphone equipped with the dtmf function that enables dtmf (dual tone multi frequencies) transmission. A lamp switch illuminates the dtmf keypad for easy viewing in the dark. O ptional mh-36e8j m icrophone s witches dwn button ...
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Page 30 ft-991 o perating m anual before turning on the main power, please verify the following items once more. Have you made all ground connections securely? See page 12 for details. Do you have your antenna(s) connected to the rear-panel antenna jack(s)? See page 13 for details. Is your microphon...
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Page 31 ft-991 o perating m anual 6. Pressthemodebuttontodisplaytheavailablese- lections. Touch the corresponding key to select the desired operating mode. A dvice : byconventionintheamateurbands,lsbis usedonthe7mhzandlowerbands(withthe exceptionof60meters),whileusbisutilizedon the14mhzandhigherband...
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Page 32 ft-991 o perating m anual 7. Rotatethemaintuningdialknobtotunearoundthe band,andbeginnormaloperation. A dvice : clockwiserotationofthemaintuningdialknob increasestheoperatingfrequency,one“step” of the synthesizer at a time; similarly, counter- clockwiserotationofthemaintuningdialknob willdec...
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Page 33 ft-991 o perating m anual o peration on 60-m eter (5 mh z ) b and (u.S. And u.K. Version only ) therecently-released60-meterbandiscovered,intheft-991,byfixedmemorychannels.Thesechannelsaresetto usborcw,andtheyappearbetweenthe“last”pmschannel(“p9u”)andthefirst“regular”memorychannel(channel 1)...
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Page 34 ft-991 o perating m anual b asic o peration : r eceiving on a mateur b ands clar (c larifier ) o peration the clarbuttonandclar/vfo-bknobareusedtooffsetthereceivefrequency,thetransmitfrequency,orboth, fromtheirsettingsonthevfo-afrequency.Foursmallnumbersonthetftdisplayshowthecurrentclarifier...
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Page 35 ft-991 o perating m anual b asic o peration : r eceiving on a mateur b ands lock youmaylockthesettingofthemaintuningdialknob(forvfo-afrequencytuning)topreventaccidentalfrequency change. Main tuning dial knob lock tolockthemaintuningdialknob,pressthelock buttonthatislocatedtotherightofthemain...
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Page 36 ft-991 o perating m anual b asic o peration : r eceiving on a mateur b ands vfo color thebackgroundcolorofthevfo-afrequencyinthetftdisplaymaybeselectedviamenuitem006. 1. Press the menubuttontoenterthemenumode. 2. Rotatethemultiknobtoselectmenuitem“006 display color ”. 3. Touch [select]onthel...
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Page 37 ft-991 o perating m anual c onvenience f eatures b and s tack o peration the ft-991utilizesatripleband-stackvfoselectiontechniquethatpermitsstoringofuptothreefavoritefrequencies andmodesontoeachbandvforegister.Forexample,onefrequencyeachon14mhzcw,rtty,andusbmaybe storedandthenrecalledbysucce...
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Page 38 ft-991 o perating m anual c onvenience f eatures ams (a utomatic m ode s elect ) o peration thetransceiverhastheams(automaticmodeselect)functionwhichenablesthetransceivertoautomaticallyselect the most appropriate option out of the three communication modes according to the received signal wh...
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Page 39 ft-991 o perating m anual c onvenience f eatures ams (a utomatic m ode s elect ) o peration setting the operation of the ams function usingtheamfunctionswitchesthecommunicationmodetomatchthereceivedsignalbutyoucanalternatively select and lock the transmission mode. Toggling to the digital co...
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Page 40 ft-991 o perating m anual c onvenience f eatures scope thescopefunctionprovidesaspectrumdisplayofthebandconditions.Bothstrongandweaksignalscanbeclearly displayedonthetftscreen.Inthemanualmode,thescopefrequencyspectrumisscannedonetimeanddisplayed. Inthe“continuoussweepingmode”,thescopespectru...
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Page 41 ft-991 o perating m anual c onvenience f eatures sweep mode threesweepmodesareavailableforthescopefunctionasdescribedbelow. Manual mode touch [sweep]onthelcdtosweepacrossthebandonetime,anddisplaybandconditions. Continuous sweeping mode touch and hold [sweep]onthelcdtomutethereceiverbeginthec...
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Page 42 ft-991 o perating m anual keyboard frequency entry theoperatingfrequencymaybeentereddirectlyinto thecurrentvfo,usingthedisplayscreenkeyboardby pressing the front panel bandbutton. Example: enter 14.250.00 mhz 1. Press the bandbuttontobeginthedirectfrequency entry process. 2. Touch [ent]onthe...
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Page 43 ft-991 o perating m anual using the up/dwn buttons of the supplied mh-31 a8j hand microphone the up/dwnbuttonsonthesuppliedmh-31 a8j hand microphonemayalsobeusedtomanuallyscanthefre- quencyupwardordownward. In modes other than am/ fm,thefrequencychanges bythesamestepasthemain dial. When the ...
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Page 44 ft-991 o perating m anual c onvenience f eatures r eceiver o peration (f ront e nd b lock d iagram ) the ft-991includesawiderangeofspecialfeaturestosuppressthemanytypesofinterferencethatmaybeencoun- teredonthehfbands.However,realworldinterferenceconditionsareconstantlychanging,sooptimumsetti...
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Page 45 ft-991 o perating m anual i nterference r ejection att (a ttenuator ) whenthedesiredsignalisextremelystrongorthenoiselevelishighonalowfrequencyband,activatetheattenuatorto reduce the incoming signal from the antenna. 1. Press the f(m-list)button,thentouch[att] on thelcd.The“att”indicatorwill...
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Page 46 ft-991 o perating m anual ipo (i ntercept p oint o ptimization ) the ipo feature allows the operator to optimize the characteristics of the receiver front end, contingent on the current noise level and the strength of incoming signals. Press the f(m-list)buttontodisplaythefunction menu list....
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Page 47 ft-991 o perating m anual if n oise b lanker (nb) o peration the ft-991includesaneffectiveifnoiseblanker,whichcansignificantlyreducenoisecausedbyautomotiveignition systems. 1. Press the f(m-list)buttontodisplaythefunction menu list. Touch the[nb]functioniconbrieflyto reduce short duration pu...
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Page 48 ft-991 o perating m anual i nterference r ejection contour c ontrol o peration thecontourfiltersystemprovidesagentleperturbationoftheiffilterpassband.Thecontourissettoeithersuppress, orboostspecificfrequencycomponents,andthusenhancesthesoundandreadabilityofareceivedsignal. 1. Press the f(m-l...
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Page 49 ft-991 o perating m anual if bandwidth desired signal desired signal desired signal qrm qrm if bandwidth if bandwidth multi multi multi if shift o peration (ssb/cw/rtty/pkt m odes ) ifshiftpermitsmovingthedspfilterpassbandhigherorlower,withoutchangingthepitchoftheincomingsignal, andthusreduc...
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Page 50 ft-991 o perating m anual width (if dsp b andwidth ) t uning (ssb/cw/rtty/data m odes ) theifwidthtuningsystemallowsyoutovarythewidthofthedspifpassband,toreduceoreliminateinterference. Moreover,thebandwidthmayactuallybeexpanded from its default setting, should you wish to enhance incoming si...
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Page 51 ft-991 o perating m anual a b c using if shift and width together theifshiftandvariableifwidthfeatures togetherformaveryeffectiveinterference-fight- ingfilteringsystem. For example, in figure “a”,youcanseehowin- terferencehasappearedbothonthehighandlow sides of the desired signal. Touch [wid...
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Page 52 ft-991 o perating m anual o perating m ode ssb cw rtty/data-lsb/ data-usb am fm/data-fm (28/50/144/430 mhz bands) narrow (nar) o ne -t ouch if f ilter s election press the f(m-list)buttontodisplaythefunctionmenulist.Touchthe[nar/wide]buttontoenableone-touch, mode-specific,selectionofanarrowi...
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Page 53 ft-991 o perating m anual if notch f ilter o peration (ssb/cw/rtty/data/am m odes ) theifnotchfilterisahighlyeffectivesystemthatallowscuttingoutaninterferingbeatnoteorothercarriersignal frominsidethereceiverpassband. 1. Press the f(mlist)buttontoshowthefunctions listed on the tft display. 2....
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Page 54 ft-991 o perating m anual d igital notch f ilter (dnf) o peration thedigitalnotchfilter(dnf)isaneffectivebeat-cancelingfilterthatcannulloutanumberofinterferingbeatnotes insidethereceiverpassband.Becausethisisanauto-notchfeature,thereisnoadjustmentknobassociatedwiththisfil- ter. A dvice : ifa...
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Page 55 ft-991 o perating m anual t ools for c omfortable and e ffective r eception rf g ain therfgaincontrolprovidesmanualadjustmentofthegainlevelsforthereceiverrfandifstages,toaccountfor noise and signal strength conditions at the moment. 1. The rf gainknobshould,initially,berotatedto the fully cl...
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Page 56 ft-991 o perating m anual t ools for c omfortable and e ffective r eception a udio p eak f ilter 1. Press the f(mlist)buttontorevealthefunctions listonthetftlcddisplay. 2. Touch [apf]onthelcd.Theapffunctionwillbe set to “on”. Multi knob f(m-list) button apf indicator apf level indicator 3. R...
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Page 57 ft-991 o perating m anual agc (a utomatic g ain c ontrol ) the agc system is designed to help compensate for fading and other propagation effects. The agc characteristics can beindividuallysetforeachoperatingmode.Thebasicobjectiveofagcistomaintainaconstantaudiooutputlevel once a certain mini...
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Page 58 ft-991 o perating m anual a djustable r eceiver a udio f ilter the ft-991includesanadjustablereceiveraudiofilter,thatprovidesprecise,independentcontrolofthelow;andupper audio ranges. T ools for c omfortable and e ffective r eception 1. Press the menubuttontoenterthemenumode. 2. Rotatethemult...
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Page 59 ft-991 o perating m anual 1. Press the band button to show the band list, and then touch a band key corresponding to the amateur band on which you wish to operate. Press the band button again, to close the band list screen. 2. Press the mode button to show the mode list, and then select the ...
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Page 60 ft-991 o perating m anual ssb/am m ode t ransmission a dvice : alc meter deflection may be caused by excessive drive power, but also by reflected power detected in the antenna system. If the antenna impedance presented to the transceiver is other than 50 ohms, alc meter action may be observe...
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Page 61 ft-991 o perating m anual the automatic antenna tuner (hereinafter referred to as the “atu”) built into each ft-991 is designed to ensure a 50- ohm load for the final amplifier stage of the transmitter. We recommend using the atu whenever operating the ft-991. A dvice : because the atu of th...
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Page 62 ft-991 o perating m anual a bout atu o peration figure 1 depicts a situation where normal tuning via the atu has been successfully completed, and the tuning data has been stored in the atu memory. The antenna system as seen by the transmitter is shown. In figure 2, the operator has changed f...
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Page 63 ft-991 o perating m anual p arametric m icrophone e qualizer (ssb/am/fm mode ) the ft-991 includes a unique three-band parametric microphone equalizer that provides precise, independent con- trol over the low, mid and treble ranges in the voice waveform. You may utilize one group of settings...
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Page 64 ft-991 o perating m anual 8. Press and hold the ptt switch, and speak into the microphone while listening to the effect of the changes you are making. Because the overall ef- fect on the sound will change with each adjustment, make several passes through each adjustment area, to be sure that...
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Page 65 ft-991 o perating m anual e nhancing t ransmit s ignal q uality p arametric m icrophone e qualizer (ssb/am/fm mode ) activating the parametric microphone equalizer 1. Adjust [mic gain] on the tft display, as described on page 59. 2. Press the f(m-list) button, then touch [mic-eq] on the tft ...
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Page 66 ft-991 o perating m anual u sing the s peech p rocessor (ssb m ode ) the ft-991 speech processor is designed to increase “talk power” by increasing the average power output (via a so- phisticated compression technique) and adjusting the audio quality to the menu settings (“130 p-prmtrc eq1 f...
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Page 67 ft-991 o perating m anual a djusting the ssb t ransmitted b andwidth (ssb m ode ) for ssb transmission, a default bandwidth of 2.4 khz is available. This bandwidth provides reasonable fidelity along with good talk power, and is the typical bandwidth used for decades for ssb transmission. The...
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Page 68 ft-991 o perating m anual v oice m emory (ssb/am modes ) you may utilize the voice memory capability of the ft-991 for repetitive messages. The voice memory system includes five memories capable of storing up to 20 seconds of voice audio each. The maximum that any memory can hold is 20 secon...
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Page 69 ft-991 o perating m anual t ransmitter c onvenience f eatures v oice m emory (ssb/am modes ) transmitting the recorded message 1. Select the lsb, usb, or am mode using the front panel mode button. 2. Press the front panel f(m-list) button to reveal the functions list on the tft lcd display, ...
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Page 70 ft-991 o perating m anual vox (ssb/am/fm m odes : a utomatic tx/rx s witching using v oice c ontrol ) instead of using the microphone ptt switch or the [mox] function (that may be displayed by pressing the f(m-list) button) to activate the transmitter, the vox (voice operated transmit) syste...
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Page 71 ft-991 o perating m anual t ransmitter c onvenience f eatures 5) when you are satisfied with the setting, touch [enter] on the tft lcd display to save the new setting. 81: &' # . ; ou e g 81: )# 0 + 81 5 . ' '%6 /+ +% : 6) press the menu(setup) button or touch [back] on the lcd to exit to no...
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Page 72 ft-991 o perating m anual t ransmitter c onvenience f eatures monitor (ssb/am/fm modes ) you may listen to the quality of your transmitted signal using the monitor feature. 1. Touch [moni] displayed by pressing the f(m-list) button to reveal the functions list on the tft lcd display. 2. Touc...
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Page 73 ft-991 o perating m anual s plit o peration u sing the tx c larifier for split tx/rx operation in “casual” pile-ups, where the split is less than 10 khz, the tx clarifier (offset tuning) fea- ture may be utilized. 1. Press the menu(setup) button to enter the menu mode. 2. Rotate the multi kn...
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Page 74 ft-991 o perating m anual s plit -f requency o peration a powerful capability of the ft-991 is its flexibility in split frequency operation using the vfo-a and vfo-b fre- quency registers. This makes the ft-991 especially useful for high-level dx-peditions. The split operation capability is ...
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Page 75 ft-991 o perating m anual 4. Touch [enter] button to save the new setting. 6: 616 ( 37+%- 2 5 +6 (4'3 . /' ) 1 4 72 &+5#$.' m 1( *\ / 5. Press the menu(setup) button or touch [back] on the lcd to exit to normal operation. T ransmitter c onvenience f eatures s plit -f requency o peration.
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Page 76 ft-991 o perating m anual the powerful cw operating capabilities of the ft-991 permit operation using an electronic keyer paddle, a “straight key”, or a computer-based keying device. S etup for s traight k ey ( and s traight k ey emulation ) o peration before starting, connect your key line(...
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Page 77 ft-991 o perating m anual t erminology : semi-break-in this is a pseudo-”vox” mode used on cw, whereby the closure of the cw key will engage the transmitter, and release of the key will allow the receiver to recover after a short delay. No signals will be heard during the spaces between dots...
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Page 78 ft-991 o perating m anual cw m ode o peration u sing the b uilt - in e lectronic k eyer connect the cable from your keyer paddle to the front panel key jack. 1. Press the mode button, then touch [cw-lsb] or [cw-usb] on the tft lcd display. The “c-l” or “c-u” icon will appear in the display. ...
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Page 79 ft-991 o perating m anual full break-in (qsk) operation as shipped from the factory, the ft-991 tx/rx system for cw is configured for “semi-break-in” operation. However, this setup may be changed to full break-in (qsk) operation by setting menu item “056 cw bk-in type ”. With full break-in q...
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Page 80 ft-991 o perating m anual selecting the keyer operating mode the configuration of the electronic keyer may be customized independently for the front panel key jack of the ft-991. This permits utilization of automatic character spacing (acs), if desired. This allows the use of an electronic k...
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Page 81 ft-991 o perating m anual reversing the keyer polarity for left-handed operators in a contest, for example, the polarity can be reversed easily in the menu mode without changing the keyer connection (the default setting is “nor”). 1. Press the menu(setup) button to engage the menu. 2. Rotate...
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Page 82 ft-991 o perating m anual cw s potting (z ero -b eating ) “spotting” (zeroing in on a received cw station) is a handy technique to ensure you and the other station are precisely on the same frequency. The tuning offset indicator in the display may also be observed so you can adjust the recei...
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Page 83 ft-991 o perating m anual cw d elay t ime s etting during semi-break-in (not qsk) operation, the hang time of the transmitter, after you have finished sending, may be ad- justed to a comfortable value consistent with your sending speed. This is the functional equivalent of the “vox delay” ad...
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Page 84 ft-991 o perating m anual cw c onvenience f eatures c ontest m emory k eyer the cw message capability of the ft-991 may be utilized from the optional fh-2 remote control keypad, which plugs into the rear panel rem/alc jack. Message memory five memory channels capable of retaining 50 characte...
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Page 85 ft-991 o perating m anual contest number programming use this process if you are starting a contest, or if you somehow get out of sync with the proper number in the middle of a contest. 1. Press the menu(setup) button to enter the menu mode. 2. Rotate the multi knob to select menu item “017 ...
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Page 86 ft-991 o perating m anual c hecking the cw m emory c ontents 1. Be sure that break-in is still turned “off” by [bk-in] on the lcd. 2. Touch [moni] on the lcd to enable the cw moni- tor. 3. Touch [ch1] - [ch5] on the lcd or press the fh-2 [1] - [5] key, whichever memory you just recorded in. ...
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Page 87 ft-991 o perating m anual cw c onvenience f eatures text memory the five channels of cw message memory (up to 50 characters each) may also be programmed using a text-entry tech- nique. This technique is somewhat slower than sending message directly from the keyer paddle, but accuracy of char...
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Page 88 ft-991 o perating m anual c ontest m emory k eyer t ext m essage p rogramming 1. Press the mode button to set the operating mode to cw. 2. Be sure t hat b reak-in is “off” with [bk-in] on the lcd, if necessary. 3. Touch [mem] on the lcd or press the fh-2 [mem] key. A blinking “rec” icon will...
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Page 89 ft-991 o perating m anual inputting the cw text directly on the screen without using the remote control keypad fh-2, you can also input the cw text directly on the screen. 1. Press and hold the menu(setup) button. 2. Touch [cw text] on the lcd. The cw text display screen will appear. Multi k...
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Page 90 ft-991 o perating m anual o n -t he -a ir cw m essage p layback 1. Touch [bk-in] on the lcd to enable transmission. Either full-break-in or semi-break-in will be en- gaged, depending o n the setting of menu item “056 cw bk-in type ”. 2. Touch [ch1] - [ch5] on the lcd or press an fh-2 [1] - [...
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Page 91 ft-991 o perating m anual fm m ode o peration b asic o peration 1. Press the mode button, then touch the correspond- ing key on the lcd to select the fm operating mode. The “fm” icon appears in the display. Multi knob mode button f(m-list) button 2. Set the transceiver to the desired frequen...
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Page 92 ft-991 o perating m anual r epeater o peration the ft-991 may be utilized on 29 mhz, 50 mhz, 144 mhz and 430 mhz repeaters. 1. Rotate the main tuning dial knob to set the ft-991 to the desired repeater’s output frequency (downlink from the repeater). 2. If ctcss tone operation is desired/nee...
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Page 93 ft-991 o perating m anual r epeater o peration fm m ode o peration automatic repeater shift (ars) the ft-991 ars feature causes the appropriate repeater shift to be automatically applied whenever it is tuned into the designated repeater sub-bands. If the ars feature does not appear to be wor...
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Page 94 ft-991 o perating m anual fm m ode o peration t one s quelch o peration the “tone squelch” may be activated to keep the receiver silent until an incoming signal modulated with a matching ctcss tone is received. The receiver squelch will then open in response to the reception of the required ...
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Page 95 ft-991 o perating m anual the ft-991 transceiver is capable of using 2, c4fm digital modes: the “v/d mode” which communicates voice and data simultaneously, and the “voice fr mode” which transmits digital voice data using the full 12.5 khz bandwidth. 1. Press the mode button, and then touch ...
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Page 96 ft-991 o perating m anual c4fm m ode (d igital m ode ) o peration notification when the contact station completes a transmission (standby beep function) when communicating in c4fm mode, an audible beep sounds to indicate that the contact station has completed a transmission (standby beep fun...
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Page 97 ft-991 o perating m anual c onvenient m emory functions the ft-991 contains ninety-nine regular memories, labeled “01” through “99”, nine special programmed band edge memory pairs, labeled “p-1l/p-1u” through “p-9l/p-9u”, and five qmb (quick memory bank) memories. Each memory stores various ...
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Page 98 ft-991 o perating m anual s tandard m emory o peration the standard memory of the ft-991 allows storage and recall of up to 99 memories, each storing frequency, mode, and a wide variety of status information, detailed previously. Memories may be grouped into as many as six memory groups.Addi...
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Page 99 ft-991 o perating m anual m emory o peration recalling the home channel 1. Press the f(m-list) button, then touch [home] on the lcd. The home channel frequency will be shown in the display. F(m-list) button changing the frequency of the home channel the default frequency setting of the home ...
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Page 100 ft-991 o perating m anual m emory o peration s tandard m emory o peration labeling memories an alphanumeric “tag” (label) may be appended to a memory or memories, to aid in recollection of the channel’s use (such as a club name, etc.). To do this: 1. Press and hold in the f(m-list) button. ...
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Page 101 ft-991 o perating m anual s tandard m emory o peration erasing memory channel data 1. Press 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. F(m-list) button multi knob 61-;1 e j e j e j %9 7...
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Page 102 ft-991 o perating m anual s tandard m emory o peration memory tune operation the frequency may be freely tuned off from any memory channel in “memory tune” mode; this is similar to vfo op- eration. So long as you do not over-write the contents of the current memory, memory tune operation wi...
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Page 103 ft-991 o perating m anual s tandard m emory o peration split memory separate frequencies for transmit and receive can be registered for each memory channel. 1. Set vfo-a up with the frequency, mode, and status, the way you want to have it stored. 2. Press the a m button momentarily; the cur...
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Page 104 ft-991 o perating m anual m emory g roups memorychannelsmaybearrangedintoasmanyassixconvenientgroups,foreasyidentificationandselection.Forex- ample, different memory groups may be designated for am bc stations, short-wave broadcast stations, contest frequen- cies, repeater frequencies, pms ...
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Page 105 ft-991 o perating m anual choosing the desired memory group if desired, memories just within a particular memory group may be recalled. 1. Press the v/m button, if necessary, to enter the “memory” mode. 2. Press the f(m-list) button, then touch [grp] on the lcd. The “grp” icon will appear o...
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Page 106 ft-991 o perating m anual section 97.401(d) of the regulations governing amateur radio in the united states permit emergency amateur commu- nications on the spot frequency of 5167.5 khz by stations in (or within 92.6 km of) the state of alaska. This frequency is only to be used when the imm...
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Page 107 ft-991 o perating m anual vfo and m emory s canning vfo s canning either the vfo or the memory channels of the ft-991 may be scanned, and the receiver will halt scanning on any fre- quency with a signal strong enough to open the receiver squelch. 1. Set the vfo-a to the frequency on which y...
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Page 108 ft-991 o perating m anual m emory s can 1. Set the transceiver to the “memory” mode by press- ing the v/m button, if necessary. 2. Press the f(m-list) button, then touch [sql] on the lcd. Rotate the multi knob so that the back- ground noise is just silenced. V/m button multi knob f(m-list) ...
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Page 109 ft-991 o perating m anual pms (p rogrammable m emory s canning ) to limit scanning (and manual tuning) within a particular frequency range, the programmable memory scanning (pms) feature utilizes nine special-purpose memory pairs (“p-1l/p-1u” through “p-9l/p-9u”). The pms feature is especia...
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Page 110 ft-991 o perating m anual u sing the gps f unction connecting a yaesu ft1dr, ftm-400dr or a commercially available gps receiver/antenna to the ft-991 will per- mit the transceiver to constantly receive and display the station location information. By utilizing the gps location information, ...
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Page 111 ft-991 o perating m anual u sing the gps f unction positioning using an external gps device a yaesu ft1dr/de, ftm-400dr/de or a commercially available gps receiver/antenna may be connected to the gps/cat jack on the rear panel. The gps/cat jack connector is illustrated below. C onnecting to...
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Page 112 ft-991 o perating m anual u sing the gps f unction d isplaying the p osition i nformation displaying the current station position information 1. Press and hold the menu(setup) button. 2. Touch [lat/lon] on the lcd. 3. Touch [gps] on the lcd. Menu(setup) button the latitude and longitude of ...
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Page 113 ft-991 o perating m anual w hat is the gm f unction ? Thegm(groupmonitor)functionautomaticallyinquirestofindifthereareanystationswiththegmfunctioninopera- tion on the same frequency within communication range. The ft-991 can then display the position and distance and other information for e...
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Page 114 ft-991 o perating m anual displaying all the stations where the gm function is in operation 1. Press the mode button, and then touch the corre- sponding key on the lcd to select the c4fm operat- ing mode. The “c4fm” icon appears in the display. Mode button f(m-list) button 2. Set the desire...
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Page 115 ft-991 o perating m anual displaying only partners registered in the gm group when a group that has been created beforehand is selected from the group list and the screen is touched, the status of the members registered in that group will be displayed. A total of up to 5 groups can be creat...
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Page 116 ft-991 o perating m anual rtty (r adio t eletype ) o peration e xample of c onnecting rtty c ommunications d evice connecting to the tu (terminal unit) connect the rtty communications tu (terminal unit) to the rear panel rtty/data terminal. Be sure to read the in- struction manual of the tu...
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Page 117 ft-991 o perating m anual connecting to your computer n ote : install the rtty application software and driver on your computer in advance. Rtty communication application (yaesu does not provide technical support for the use or operation of the application.) virtual com port driver (visit t...
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Page 118 ft-991 o perating m anual e xample of d ata c ommunications d evice use commercial or free computer software for psk data communications. See the illustration below for connecting the ft-991 transceiver to a computer. Be sure to read the instruction manual of the interface device to be conn...
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Page 119 ft-991 o perating m anual data (psk) o peration e xample of d ata c ommunications d evice software settings n ote : there are many good data mode operating software programs available on the internet. Each of these pro- grams will have their own setup instructions, therefore to assist you, ...
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Page 120 ft-991 o perating m anual the menu system of the ft-991 provides extensive customization capability; the transceiver may be setup to comple- ment personal operating preferences. Menu items are grouped by general utilization categories, and are numbered from “001 agc fast delay” to “151 emer...
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Page 121 ft-991 o perating m anual no. Menu function available settings default value 001 agc fast delay 20 - 4000 (20msec/step) 300msec 002 agc mid delay 20 - 4000 (20msec/step) 700msec 003 agc slow delay 20 - 4000 (20msec/step) 3000msec 004 home function scope/function scope 005 my call indication...
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Page 122 ft-991 o perating m anual no. Menu function available settings default value 053 cw hcut slope 6db/oct / 18db/oct 18db/oct 054 cw out level 0 - 100 50 055 cw auto mode off/50m/on off 056 cw bk-in type semi/full semi 057 cw bk-in delay 30 - 3000 (msec) 200msec 058 cw wave shape 2/4 (msec) 4m...
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Page 123 ft-991 o perating m anual no. Menu function available settings default value 104 ssb lcut freq off/100hz - 1000hz (50hz/step) 100hz 105 ssb lcut slope 6db/oct / 18db/oct 6db/oct 106 ssb hcut freq 700hz - 4000hz (50hz/step) / off 3000hz 107 ssb hcut slope 6db/oct / 18db/oct 6db/oct 108 ssb m...
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Page 124 ft-991 o perating m anual 001 agc fast delay function: sets the agc-fast delay voltage decay characteristics. Available values: 20 - 4000msec (20msec/step) default setting: 300msec description: sets the agc voltage decay characteristics in 20 msec steps after the input signal level becomes ...
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Page 125 ft-991 o perating m anual 012 keyer type function: switches the keyer operation. Available values: off/bug/elekey-a/elekey-b/ elekey-y/acs default setting: elekey-b description: switches the keyer operation. Off: disables the keyer function. Bug: functions as a “bug key”. Only the “dot” sid...
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Page 126 ft-991 o perating m anual 018 cw memory 1 function: selects the registration method for the contest memory keyer “cw memory 1”. Available values: text/message default setting: text description: selects how to register text to the contest memory keyer “cw memory 1”. Text: use the optional fh...
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Page 127 ft-991 o perating m anual 028 gps/232c select function: selects mode of gps/cat jack. Available values: gps/rs232c default setting: gps description: selects the device that is to be connected to the gps/cat jack on the rear panel. Gps: enables connection to an external gps device. Rs232c: e...
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Page 128 ft-991 o perating m anual 039 ref freq adj function: adjusts the reference oscillator. Available values: −25 - 0 - 25 default setting: 0 description: the frequency may be calibrated when connecting a frequency counter to the transceiver, or when receiving a standard frequency such as wwv or...
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Page 129 ft-991 o perating m anual 049 am data gain function: sets the level of the am signal input when “045 am mic select” is set to “data”. Available values: 0 - 100 default setting: 50 050 cw lcut freq function: sets the low-frequency cutoff audio filter in cw mode. Available values: off/100hz -...
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Page 130 ft-991 o perating m anual 059 cw freq display function: sets the pitch frequency offset. Available values: direct freq/pitch offset default setting: pitch offset description: sets the displayed frequency offset when switching the transceiver mode between ssb and cw. Direct freq: displays th...
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Page 131 ft-991 o perating m anual 071 data ptt select function: sets the ptt control during the sending/re- ceiving of data. Available values: daky/rts/dtr default setting: daky description: selects the ptt control method during the sending/receiving of data. Daky: controls the transmit from the rt...
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Page 132 ft-991 o perating m anual 081 rpt shift 50mhz function: sets the rpt offset frequency on the 50 mhz band. Available values: 0 - 4000khz (10khz/step) default setting: 1000khz description: sets the repeater offset frequency on the 50 mhz band. 082 rpt shift 144mhz function: sets the rpt offse...
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Page 133 ft-991 o perating m anual 092 ams tx mode function: sets the operation of the ams function. Available values: auto/manual/dn/vw/analog default setting: auto description: when using the ams (auto) function, the transceiver selects one of the three transmission modes automatically according t...
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Page 134 ft-991 o perating m anual 101 rtty out level function: sets the output level during the sending/re- ceiving of data in rtty mode. Available values: 0 - 100 default setting: 50 description: sets the data output level during the send- ing/receiving of data in rtty mode. The higher the setting...
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Page 135 ft-991 o perating m anual 112 ssb tx bpf function: sets the frequency characteristics of the dsp band-pass filter for transmitting in ssb mode. Available values: 100-3000/100-2900/200-2800/300- 2700/400-2600 default setting: 300-2700hz description: selects the frequency characteristics sett...
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Page 136 ft-991 o perating m anual 124 prmtrc eq2 freq function: sets the center frequency for the middle range of the 3 band parametric microphone equalizer. Available values: 700 - 1500 (hz)/off (100hz/step) default setting: off description: selects the center frequency setting for the middle rang...
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Page 137 ft-991 o perating m anual 135 p-prmtrc eq2 bwth function: sets the width (“q”) for the middle range of the 3 band parametric microphone equalizer when the speech processor is activated. Available values: 1 - 10 default setting: 1 description: activates when the speech processor is “on”, and...
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Page 138 ft-991 o perating m anual 146 vox delay function: sets the vox delay time. Available values: 30 - 3000 msec (10 msec/step) default setting: 500 msec description: while operating vox, the recovery time (delay time) before returning to receive mode from transmit mode may be set at 10 msec int...
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Page 139 ft-991 o perating m anual i nstallation of o ptional a ccessories fc-40 e xternal a utomatic a ntenna t uner ( for w ire a ntenna ) the fc-40 makes use of the control circuitry built into the transceiver, which allows the operator to control and monitor automatic operation of the fc-40, whi...
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Page 140 ft-991 o perating m anual i nstallation of o ptional a ccessories setup the ft-991 the optional fc-40 automatic antenna tuner provides automatic tuning of a coaxial line to present nominal 50-ohm impedance to the ft-991’s ant jack. Before operation can begin, the ft-991 microprocessor must ...
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Page 141 ft-991 o perating m anual i nstallation of o ptional a ccessories a ctive -t uning a ntenna s ystem (atas-120a) o peration atas-120a is a multi-band auto-tuning antenna that can be used in the amateur bands from the hf band to the uhf band (7/14/21/28(29) /50/144/430) using the active tunin...
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Page 142 ft-991 o perating m anual i nstallation of o ptional a ccessories settings before operating the tuner 1. Press the menu(setup) button to enter the menu mode. 2. Rotate the multi knob to select the menu item “143 tuner select ”. 3. Touch [select] on the lcd, then rotate the multi knob to set...
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Page 143 ft-991 o perating m anual mmb-90 is a mobile bracket used to mount the ft-991 series in an automotive vehicle. Installation procedure 1. Use the enclosed double-sided tape to temporarily mount the bracket at the installation location and then fasten the bracket securely with the enclosed sc...
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Page 144 ft-991 o perating m anual general rx frequency range: 30 khz - 56 mhz, 118 mhz - 164 mhz, 420 mhz - 470 mhz (operating) 1.8 mhz - 54 mhz, 144 mhz - 148 mhz, 430 mhz - 450 mhz (specified performance, amateur bands only) tx frequency ranges: 1.8 mhz - 54 mhz, 144 mhz - 148 mhz, 430 mhz - 450 ...
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Page 145 ft-991 o perating m anual receiver circuit type: ssb/cw/am: triple-conversion super heterodyne fm/c4fm: double-conversion super heterodyne intermediate frequencies: 40.455 mhz ssb/cw/am: 69.450 mhz/9.000 mhz/24 khz fm/c4fm: 69.450 mhz/450 khz sensitivity: ssb/cw (bw: 2.4 khz, 10 db s+n/n) 0...
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Page 146 ft-991 o perating m anual i ndex a a/b button ................................................................. 20 a=b button ................................................................ 20 about atu memories ................................................ 62 about atu operation .........
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Page 147 ft-991 o perating m anual i ndex i icons ........................................................................... 22 if noise blanker (nb) ............................................... 47 if notch filter........................................................ 53 if shift operation .......
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Page 148 ft-991 o perating m anual t table of contents ......................................................... 3 text memory ........................................................... 87 tft liquid crystal display ....................................... 22 to change the function assigned to the m...
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Page 149 ft-991 o perating m anual n ote.
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Page 150 ft-991 o perating m anual 1. Changes or modifications to this device not expressly approved by yaesu musen could void the user’s authorization to operate this device. 2. This device complies with part 15 of the fcc rules. Operation is subject to the following two conditions; (1) this device...