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Yaesu FT-847 Operating Manual

Manual is about: HF + V-UHF ALL MODE TRANSCEIVER

Summary of FT-847

  • Page 1

    Ft-847 operating manual yaesu musen co., ltd. 4-8-8 nakameguro, meguro-ku, tokyo 153-8644, japan yaesu u.S.A. 17210 edwards rd., cerritos, ca 90703, u.S.A. Yaesu europe b.V. P.O. Box 75525 1118 zn, schiphol, the netherlands yaesu uk ltd. Unit 12, sun valley business park, winnall close winchester, h...

  • Page 2: Table of Contents

    General description .................................................. 1 specifications ............................................................ 2 accessories & options .............................................. 4 plug pinout ............................................................... 5 ...

  • Page 3: Ft-847 O

    1 ft-847 o perating m anual the exciting new yaesu ft-847 earth station is a revolutionary multimode transceiver providing coverage of all nine hf amateur bands, plus vhf/uhf coverage of the 50, 144, and 430 mhz bands. The ft-847 earth station provides 100 watts of power output on 160 through 6 mete...

  • Page 4: Ft-847 O

    2 ft-847 o perating m anual g eneral frequency range: receive 100 khz - 36.99 mhz 37 - 76 mhz 108 - 174 mhz 420 - 512 mhz transmit 160 - 6 meters 2 meters 70 centimeters (amateur bands only) 5.1675 mhz (alaska emergency channel) emission modes: usb, lsb, cw, am, fm, f1 (9600 bps packet), f2 (1200 bp...

  • Page 5: Ft-847 O

    3 ft-847 o perating m anual r eceiver sensitivity: ssb/cw am-n fm 500 khz - 1.8 mhz: − 20 µv − 1.8 - 28 mhz: 0.25 µv 2 µv − 28 - 30 mhz: 0.25 µv 2 µv 0.5 µv 50 - 54 mhz: 0.20 µv 1 µv 0.25 µv 144/430 mhz: 0.125 µv − 0.2 µv (above specifications are worst-case. Ssb/cw/am-n figures are for 10 db s/n, 1...

  • Page 6: Ft-847 O

    4 ft-847 o perating m anual accessories & options s upplied a ccessories item quantity mh-31 b8 hand microphone ............................................................................................................................. 1 dc cable fused for 25 amps (t9019925) .........................

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    5 ft-847 o perating m anual plug pinout.

  • Page 8: Ft-847 O

    6 ft-847 o perating m anual p ower c onnections installation the dc power connector for the ft-847 must only be connected to a dc source providing 13.8 volts dc (±10%), and capable of at least 22 amperes of cur- rent. Always observe proper polarity when making dc connections: the r ed dc power lead ...

  • Page 9: Ft-847 O

    7 ft-847 o perating m anual tips for successful mobile installations: r before connecting the dc cable to the battery, mea- sure the voltage across the battery terminals with the engine running fast enough to show a charge. If the voltage is above 15 volts, the vehicle’s voltage regulator should be ...

  • Page 10: Ft-847 O

    8 ft-847 o perating m anual g rounding the provision of an effective ground system is impor- tant in any successful communications station. A good ground system can contribute to station efficiency in a number of ways: r it can minimize the possibility of electrical shock to the operator. R it can m...

  • Page 11: Ft-847 O

    9 ft-847 o perating m anual installation g rounding mobile station grounding although satisfactory grounding in most installations will be achievedvia the dc cable’s negative lead and the antenna system’s coaxial cable shield, it is often recommended that you provide a direct ground con- nection to ...

  • Page 12: Ft-847 O

    10 ft-847 o perating m anual a ntenna c onsiderations installation the antenna systems connected to your ft-847 trans- ceiver are, of course, critically important in ensuring successful communications. The ft-847 is designed for use with any antenna system providing a 50 Ω re- sistive impedance at t...

  • Page 13: Ft-847 O

    11 ft-847 o perating m anual installation always locate antennas such that they can never come in contact with outdoor power lines in the event of a catastrophic support or power-pole structural failure. Ground your antennas’ support structure(s) adequately, so as to dissipate energy absorbed during...

  • Page 14: Ft-847 O

    12 ft-847 o perating m anual rf f ield e xposure this transceiver is capable of power output in excess of 50 watts, so customers in the united states may be required to demonstrate compliance with federal com- munications commission (fcc) regulations concern- ing maximum permissible exposure to radi...

  • Page 15: Ft-847 O

    13 ft-847 o perating m anual installation h eat and v entilation to ensure long life of the components, be certain to provide adequate ventilation around the cabinet of the ft-847. The cooling system of the transceiver must be free to draw cool air in from the side of the trans- ceiver and expel war...

  • Page 16: Ft-847 O

    14 ft-847 o perating m anual a ccessory i nterfacing installation the ft-847 may be connected to a wide variety of accessories in your amateur station. Wherever possible (e.G. Ptt, alc, key, spkr, pkt, data, cat , antenna) commonly-accepted standard connectors have been used for accessory interfacin...

  • Page 17: Ft-847 O

    15 ft-847 o perating m anual installation vhf/uhf preamplifiers for maximum improvement of system noise figure, vhf and (especially) uhf preamplifiers should be located as close to the antenna feedpoint as possible. This puts the preamplifier’s low-noise-figure gain ahead of the loss in the coaxial ...

  • Page 18: Ft-847 O

    16 ft-847 o perating m anual afsk tnc connections (for hf rtty and packet, etc.) the ft-847 is easy to connect to most all terminal node controllers (tncs) or other digital modem units used for rtty, hf packet, and other digital modes utilizing either usb or lsb. Audio frequency-shifted keying (afsk...

  • Page 19: Ft-847 O

    17 ft-847 o perating m anual installation a ccessory i nterfacing fm packet tnc interfacing the ft-847 provides a convenient rear-panel pkt jack for easy connections to your tnc. The connections to this jack are in accordance with a standard adopted by many amateur-product manufacturers. However, we...

  • Page 20: Ft-847 O

    18 ft-847 o perating m anual cw accessory interfacing all commonly-available keyer paddles should work perfectly with the built-in electronic keyer. The wir- ing configuration for the paddle is shown below. For straight-key operation, only the tip and shaft con- nections are used. Note: even when us...

  • Page 21: Ft-847 O

    19 ft-847 o perating m anual installation n ote.

  • Page 22: Ft-847 O

    20 ft-847 o perating m anual (1) power switch this latching-type switch turns the transceiver on and off. Push the switch in to turn the transceiver on, and push it again to turn the power off. (2) mox switch this latching-type switch is used to switch the trans- ceiver manually into the transmit mo...

  • Page 23: Ft-847 O

    21 ft-847 o perating m anual front panel controls & switches (5) mic jack this 8-pin connector accepts microphone input, as well as providing ptt, ground, and scanning control ac- cess. Optimum microphone impedance is 500 Ω ~ 600 Ω . (6) mic/rf pwr controls the inner mic control adjusts the micropho...

  • Page 24: Ft-847 O

    22 ft-847 o perating m anual (15) s.Srch switch pressing this switch momentarily recalls the “s mart s earch ™” memories. Pressing and holding in this switch for ½ second initiates s mart s earch ™ scan- ning. With s mart s earch ™ engaged, the transceiver quickly searches above and below the main v...

  • Page 25: Ft-847 O

    23 ft-847 o perating m anual (19) fast switch pressing this switch toggles the transceiver between “high speed” and “slow speed” tuning rates for the main vfo tuning dial, the sub-tune knob, the mem/vfo ch knob, and the up/down switches. The “fast” icon will appear on the display panel when the fast...

  • Page 26: Ft-847 O

    24 ft-847 o perating m anual (27) split [n/r] switch pressing this switch activates split-frequency opera- tion between the main display (either the main vfo or a memory channel), used for transmission, and the sub vfo, used for reception. The “split” mode is not used for full-duplex satellite opera...

  • Page 27: Ft-847 O

    25 ft-847 o perating m anual (32) keypad the keypad is used for direct frequency entry during vfo operation. Secondary functions allow control of certain repeater, scanning, and frequency navigation functions. (33) shift control this control is used to adjust the receiver’s if s hift feature, which ...

  • Page 28: Ft-847 O

    26 ft-847 o perating m anual display indicators and icons operational command icons: : transmitter is active. : receiver squelch is open. : “fast” tuning is active. : frequency or switch l ock feature is engaged. Main band operating icons: : memory tune mode is active. : s mart s earch ™ mode is act...

  • Page 29: Ft-847 O

    27 ft-847 o perating m anual display indicators and icons digital signal processing mode indicators: : digital passband filter (voice modes) is engaged. : noise reduction filter is engaged. : dsp auto-notch filter is engaged. : split frequency operation is engaged. M ck : memory channel “check” mode...

  • Page 30: Ft-847 O

    28 ft-847 o perating m anual (1) 13.8v dc jack this is the main dc input jack for the transceiver. The specified voltage is 13.8v dc, negative ground (±10%), and maximum current draw is 22 amperes. (2) gnd lug for best performance and safety, this ground lug should be connected to a good earth groun...

  • Page 31: Ft-847 O

    29 ft-847 o perating m anual rear panel connectors (8) stby jack this 5-pin mini-din connector provides “closure-to- ground” switching lines for t/r control of external amplifiers. One connection is provided for hf opera- tion, and one each for the 50, 144, and 430 mhz bands. The maximum ratings for...

  • Page 32: Ft-847 O

    30 ft-847 o perating m anual i nitial s etup before plugging in the transceiver for the first time: þ make sure your power supply voltage is correct. þ ensure that a proper ground connection has been made. þ ensure that all antennas have been securely connected to the correct rear-panel jack. Preset...

  • Page 33: Ft-847 O

    31 ft-847 o perating m anual operation o peration q uick s tart • push in the [power] switch. The display should become illuminated, and operation may now com- mence. ‚ rotate the af (g ain ) control to set the receiver vol- ume level. ƒ press the [vfo-m] switch, if necessary, to select the vfo mode...

  • Page 34: Ft-847 O

    32 ft-847 o perating m anual r eceiver o peration operation f requency n avigation several methods of frequency setting and/or adjust- ment are provided on the ft-847: l the main vfo tuning dial (for “main vfo” frequencies); l the sub-tune dial (for “sub vfo” frequen- cies); l the shuttle jog™ ring ...

  • Page 35: Ft-847 O

    33 ft-847 o perating m anual operation shuttle jog™ r ing the shuttle jog tm is an efficient way to achieve large frequency excursions, avoiding the need to spin the main vfo tuning dial to move quickly from one frequency to another. The shuttle jog tm is a spring-loaded ring used for frequency chan...

  • Page 36: Ft-847 O

    34 ft-847 o perating m anual mem/vfo ch k nob the mem/vfo ch knob on the front panel serves a dual function. In the vfo mode, it allows “channelized” frequency stepping, for rapid and con- venient excursions around the band. In the memory mode, this knob is used to select the desired memory channel....

  • Page 37: Ft-847 O

    35 ft-847 o perating m anual operation qbandp and qmhzp k eys the [band] keys may be used, in the vfo mode, to jump to the next amateur band above (p) or below (q) the current operating band. When moving to a new band, the ft-847 will move you to the last fre- quency and mode on which you were opera...

  • Page 38: Ft-847 O

    36 ft-847 o perating m anual r eceiver f eatures r eceiver i nput a ttenuator for situations where extremely high signal levels are present, the receiver’s input a ttenuator may be acti- vated, to reduce the sensitivity and total gain of the receiver system. • to activate the receiver a ttenua - tor...

  • Page 39: Ft-847 O

    37 ft-847 o perating m anual operation rf g ain c ontrol the r f g ain control provides a manual way to control the gain of the receiver’s rf and if amplifier stages. For most operation, this control should be left in the fully clockwise position, which provides maximum gain and best sen- sitivity. ...

  • Page 40: Ft-847 O

    38 ft-847 o perating m anual dsp n oise r eduction the digital signal processing (dsp) circuitry includes a highly-effective n oise r eduction feature, which may be used alone or in conjunction with the if n oise b lanker . The dsp n oise r eduction circuit can be ef- fective against a wide variety ...

  • Page 41: Ft-847 O

    39 ft-847 o perating m anual operation r eceiver f eatures m etering the ft-847 includes dual meter functions, useful in many operating situations. N on -s atellite m ode on receive, the meter dis- plays incoming signal strength (“s” meter). Ad- ditionally, in the fm mode, the lower scale of the met...

  • Page 42: Ft-847 O

    40 ft-847 o perating m anual if s hift the front panel’s shift control tunes the position of the if passband rela- tive to the frequency of the incoming signal. This allows the operator, in ef- fect, to sweep the current if filter back and forth across the desired signal, eliminating interference fr...

  • Page 43: Ft-847 O

    41 ft-847 o perating m anual operation r eceiver f eatures n otch f ilter (dsp) unwanted beat notes within the receiver’s if filter passband can be effectively removed by utilization of the dsp n otch function. The dsp system will detect the incoming carrier, then automatically center a sharp notch ...

  • Page 44: Ft-847 O

    42 ft-847 o perating m anual operation n ote.

  • Page 45: Ft-847 O

    43 ft-847 o perating m anual t ransmitting operation p ower o utput /alc l evel m onitoring during transmission, you have the option of monitor- ing rf power output (“po” on the meter) or relative alc voltage (“alc” on the meter). The default set- ting for the meter is po, and the selection may be s...

  • Page 46: Ft-847 O

    44 ft-847 o perating m anual ssb t ransmission b asic o peration • connect your microphone to the front panel mic jack. ‚ preset the front panel controls as follows: mode: usb or lsb (depending on band; use usb on 14 mhz and above) mic (g ain ): 9 o’clock position rf pwr: fully clockwise ƒ press the...

  • Page 47: Ft-847 O

    45 ft-847 o perating m anual rf s peech p rocessor o peration the rf s peech p rocessor provides a s i g n i f i c a n t i n c r e a s e i n y o u r transmitter’s average power output. To activate the rf s peech p rocessor , press the [proc/keyer] switch. The “proc ” icon will appear on the display....

  • Page 48: Ft-847 O

    46 ft-847 o perating m anual cw t ransmission the ft-847’s versatile design is engineered to provide the operating flexibility required for contest, dx, or weak- signal vhf/uhf operation. S traight k ey /e xternal k eying d evice o peration this section describes the operating procedure using a manu...

  • Page 49: Ft-847 O

    47 ft-847 o perating m anual operation … you also can adjust the sidetone pitch using menu #6. This adjustment also controls the bfo offset (the actual pitch of your transmitted signal relative to your current receive frequency). To adjust the cw pitch: l press the [menu] button to activate the menu...

  • Page 50: Ft-847 O

    48 ft-847 o perating m anual e lectronic k eyer o peration the ft-847’s built-in electronic keyer is flexible, yet easy to use. Operation cw t ransmission • insert your key’s ¼” three-conductor (“stereo”) plug into the key jack on the rear panel of the trans- ceiver. Remember that the tip of this pl...

  • Page 51: Ft-847 O

    49 ft-847 o perating m anual operation cw t ransmission.

  • Page 52: Ft-847 O

    50 ft-847 o perating m anual fm t ransmission operation fm operation is permitted on the bands above 29 mhz, and the ft-847 provides a wealth of features for am simplex and repeater operation. Several of these fea- tures may be customized for each band via the menu system. Use the “n arrow ” mode fo...

  • Page 53: Ft-847 O

    51 ft-847 o perating m anual operation s implex ( non - repeater ) o peration fm t ransmission • connect the microphone to the mic jack, and press the [fm/am] key, as necessary, to select the “fm” operating mode. Set the rf pwr control fully clockwise. ‚ close the microphone’s ptt switch to activate...

  • Page 54: Ft-847 O

    52 ft-847 o perating m anual r epeater o peration fm “repeater” stations are usually located on top of tall mountains or hills, allowing mobile, portable, and other- wise low-power stations to extend their communication range significantly. The flexible operating features of the ft-847 make repeater...

  • Page 55: Ft-847 O

    53 ft-847 o perating m anual operation fm t ransmission repeater shift reversal feature while operating on a repeater, you may wish to re- verse your receive and transmit frequencies, so as to listen for the other station’s direct signal. This allows you to determine if communication is pos- sible w...

  • Page 56: Ft-847 O

    54 ft-847 o perating m anual dcs (d igital c oded s quelch ) o peration similar to ctcss, the dcs system is another form of selective calling. An advantage of dcs is that it is less susceptible to false opening of the squelch by un- wanted signals. As with ctcss operation, the proper setup of dcs in...

  • Page 57: Ft-847 O

    55 ft-847 o perating m anual operation fm t ransmission c ross - band r epeater o peration here is the procedure for setting up cross-band repeater operation: • press the [sat] switch to activate “satellite” op- eration. ‚ set the desired transmit frequency into the sub vfo, and the desired receive ...

  • Page 58: Ft-847 O

    56 ft-847 o perating m anual fm p acket o peration the ft-847 may easily be configured for 1200 or 9600 bps packet operation. • refer to page 17, and connect your tnc (termi- nal node controller) to the rear panel’s pkt jack, per the instructions on that page. ‚ set the ft-847 to the desired band, a...

  • Page 59: Ft-847 O

    57 ft-847 o perating m anual operation afsk rtty/d ata o peration a wide variety of ssb-based data modes may be utilized via the rear panel’s data in/out jack. • refer to page 16, and connect your tnc or termi- nal unit to the rear panel’s data in/out jack per the instructions on that page. Note tha...

  • Page 60: Ft-847 O

    58 ft-847 o perating m anual am t ransmission the ft-847 includes provision for am transmission using an early-stage modulator. • connect your microphone to the front panel mic jack. Preset the mic (g ain ) control fully counter- clockwise. ‚ press the fm/am mode key, as necessary, to select the “am...

  • Page 61: Ft-847 O

    59 ft-847 o perating m anual operation section 97.401(d) of the regulations governing ama- teur radio in the united states permit emergency amateur communications 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...

  • Page 62: Ft-847 O

    60 ft-847 o perating m anual a ntenna t uner (fc-20) o peration the optional fc-20 (external) automatic antenna tuner may be helpful, in some installations, in maintaining a satisfactory impedance match between your coaxial feedline and the ft-847’s final amplifier stage. The fc-20 operates on the 1...

  • Page 63: Ft-847 O

    61 ft-847 o perating m anual operation a ntenna t uner m emory s ystem frequency a few khz, then press the [tuner] key again for ½ second, as slight changes in the reac- tance may allow a match to be obtained. Then go back to the original frequency and try again. 3. Another technique which may allow...

  • Page 64: Ft-847 O

    62 ft-847 o perating m anual a ctive -t uning a ntenna s ystem (atas-100) o peration the optional atas-100 active-tuning antenna system provides operation on the 7, 14, 21, 28, 50, 144, and 430 mhz bands. Full instructions for its use are found in the documentation accompanying the atas-100. To acti...

  • Page 65: Ft-847 O

    63 ft-847 o perating m anual notes: m once automatic matching has been successfully accomplished, you must change frequency by at least 10 khz before attempting automatic match- ing again. Within a window of ±10 khz from a match point, the transceiver's microprocessor will ignore any command to atte...

  • Page 66: Ft-847 O

    64 ft-847 o perating m anual s plit f requency o peration ( non -s atellite ) the ft-847 provides convenient split-frequency operation, using the main and sub vfos, for dx working and other operating situations requiring unique split frequency pairs. For repeater operation using the default shifts p...

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    65 ft-847 o perating m anual operation n ote.

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    66 ft-847 o perating m anual s atellite o peration the ft-847 is an outstanding performer on amateur satellites, providing “turn-key” operation on voice/cw “ana- log” satellites, and easy interface for digital mode operation. The chief features of the ft-847 for satellite operation include: l full d...

  • Page 69: Ft-847 O

    67 ft-847 o perating m anual operation here is an example of satellite operation setup for a typical “analog” voice satellite, ao-10, operating in “mode b” on ssb: • press the [sat] switch to activate the “satellite” mode of operation. The “ ” icon will appear on the lcd. ‚ press the [a u t b]key, i...

  • Page 70: Ft-847 O

    68 ft-847 o perating m anual s atellite “m emory ” r egisters the ft-847 provides twelve satellite “memory” reg- isters which function as independent vfo pairs; these allow the ft-847 to be configured for a number of different satellites, each with its own frequency and tracking specifications. In t...

  • Page 71: Ft-847 O

    69 ft-847 o perating m anual operation s atellite m emory l abeling s atellite o peration this procedure may be repeated for each satellite memory register, for easy identification of the satel- lite name, operating frequencies, and mode of opera- tion (the “d” represents “digital” operation in the ...

  • Page 72: Ft-847 O

    70 ft-847 o perating m anual the ft-847’s memory system provides a wide variety of facilities which enhance operating efficiency and conve- nience. The memory system stores frequency, operating mode, bandwidth, repeater offset and tone data, and c larifier information, to minimize the need to reset ...

  • Page 73: Ft-847 O

    71 ft-847 o perating m anual memory operation m ain m emory s ystem the main memory system of the ft-847 consists of memory channels 1 through 78, which provide the user with a huge bank of memories for every operating need. N ormal (“s implex ”) m emory s torage use this procedure for storage of mo...

  • Page 74: Ft-847 O

    72 ft-847 o perating m anual s plit -f requency m emory s torage you can also store “split” frequencies, such as when operating on a repeater system not utilizing a “standard” offset. This procedure may also be used for dx work on 7 mhz ssb, etc. Memory operation m ain m emory s ystem • in the vfo m...

  • Page 75: Ft-847 O

    73 ft-847 o perating m anual memory operation m emory c hannel r ecall m ain m emory s ystem • while operating in the vfo mode, press the [vfo/ m] switch momentarily. The transceiver will switch into the “memory” mode. ‚ rotate the mem/vfo ch knob to select the de- sired memory channel. Both the cha...

  • Page 76: Ft-847 O

    74 ft-847 o perating m anual memory operation m ain m emory s ystem “h ome ” c hannel m emory four special one-touch h ome channels are available, for special frequencies you use often. Either “simplex” or “split” frequency/mode data may be stored in the h ome channel locations. Separate h ome chann...

  • Page 77: Ft-847 O

    75 ft-847 o perating m anual memory operation m ain m emory s ystem e rasing i ndividual m emories you may wish to clear the contents of a single memory channel. The procedure to clear a memory of its data is: • press the [mck/w] key momentarily. ‚ rotate the mem/vfo ch knob to select the memory cha...

  • Page 78: Ft-847 O

    76 ft-847 o perating m anual the s mart s earch ™ feature automatically loads active channels into special memory locations, without the need for you to go through the memory loading process manually, channel-by-channel. This may be particularly useful when traveling to a new city, where local repea...

  • Page 79: Ft-847 O

    77 ft-847 o perating m anual priority channel operation the “priority channel” feature initiates a two-frequency scanning process, whereby memory channel #1 is checked every five seconds to see if there is activity. This feature is helpful if you wish to operate on one fm repeater while checking for...

  • Page 80: Ft-847 O

    78 ft-847 o perating m anual the ft-847’s scanning capability allows you to monitor a large number of memory channels, or to sweep a band (or band segment), looking for activity. For scanning just a band segment, see page 80 for operating instructions for the “p rogrammable m emory s can ” mode of s...

  • Page 81: Ft-847 O

    79 ft-847 o perating m anual m emory c hannel “s kip ” f eature there may be certain always-busy channels (such as a weather forecast beacon station) which you may wish to “skip” during scanning. Channels to be ignored by the scanner will have “skip ” appear above the chan- nel number. • while opera...

  • Page 82: Ft-847 O

    80 ft-847 o perating m anual the programmable memory scan utilizes the “u ” and “l ” memories to provide sub-bands within scanning can take place. For example, on the 2-meter band, you may wish to limit fm scanning to 144.5 ~ 148 mhz, to avoid encroachment on the ssb/cw sub-band between 144.0 and 14...

  • Page 83: Ft-847 O

    81 ft-847 o perating m anual monitoring of hf weatherfax broadcasts is easily accomplished using the ft-847. • before proceeding, be certain that the weatherfax demodulator is properly connected to the rear panel data in/out jack (only the “rx” ring and ground contacts are required; the tip connecto...

  • Page 84: Ft-847 O

    82 ft-847 o perating m anual the ft-847’s menu system allows customization of many aspects of transceiver performance by the owner. The parameters adjusted via the menu system are performance characteristics which do not require adjustment in “real time” by the operators, but rather are “set-and-for...

  • Page 85: Ft-847 O

    83 ft-847 o perating m anual menu system m enu # m enu i tem d escription s elections d efault v alue 1 display dimmer level 0 (bright) ~ 7 (dim) 0 2 vfo dial step size 0.1/1/10 hz 1 hz 3 vfo/mem ch step size (ssb/cw) 1/2.5/5 khz 2.5 khz 4 vfo/mem ch step size (am) 2.5/5/9/10/12.5/25 khz 5 khz 5 vfo...

  • Page 86: Ft-847 O

    84 ft-847 o perating m anual m enu s election d etails menu system 1 [ dimmer] function: setting of the front panel display’s illumination level. Available values: 0 (bright) ~ 7 (dim) default setting: 0 (brightest setting) 2 [ min-freq] function: setting of the minimum synthe- sizer step size for t...

  • Page 87: Ft-847 O

    85 ft-847 o perating m anual menu system m enu s election d etails 10 [ cw-bpf] function: setting the bandwidth for the dsp cw audio filter. Available values: 25/100/200/400 hz default setting: 200 hz this selection determines the bandwidth of the dsp cw peaking filter. The most narrow setting is hi...

  • Page 88: Ft-847 O

    86 ft-847 o perating m anual menu system m enu s election d etails 18 [ vhf-rpt] function: set the magnitude of the repeater shift to be utilized when operat- ing on the 144 mhz band. Available values: 0.00 ~ 99.99 mhz default setting: 0.60 mhz (600 khz) any attempt to set a shift greater than 4 mhz...

  • Page 89: Ft-847 O

    87 ft-847 o perating m anual menu system m enu s election d etails 27 [ lock] function: set the [lock] key’s lockdown coverage on the front panel. Available values: d ial : the main vfo tuning dial, sub-tune knob and the shuttle jog tm ring are locked out f re : the controls shown below are locked o...

  • Page 90: Ft-847 O

    88 ft-847 o perating m anual menu system m enu s election d etails 31 [ tuner] function: select the device (fc-20 or atas-100) to be controlled via the front panel’s [tuner] switch. Available values: t uner : the [tuner] key will activate the op- tional fc-20. Atas-100: the [tuner] key will activate...

  • Page 91: Ft-847 O

    89 ft-847 o perating m anual menu system m enu s election d etails 39 [ all init] function: reset microprocessor, restoring all factory defaults. While in this menu selection, pressing the [mck/w] key causes all memories and menu selections to be returned to their default factory settings. 40 [ 5167...

  • Page 92: Ft-847 O

    90 ft-847 o perating m anual m enu s election d etails 92 [ usb-car] function: adjust t x usb carrier injection point. Available values: − 10 ~ 15 (x 10) hz (i.E. − 100 ~ 150 hz) default setting: 0 hz analogous to “if shift” on receive, the tx carrier point adjustment allows you to shift the if pass...

  • Page 93: Ft-847 O

    91 ft-847 o perating m anual the ft-847’s cat system allows the transceiver to be controlled by a personal computer. This allows multiple control operations to be fully automated as a single mouse click, or it allows a third-party software package (such as contest logging software) to com- municate ...

  • Page 94: Ft-847 O

    92 ft-847 o perating m anual cat (c omputer a ided t ransceiver )s ystem p rogramming opcode command chart comand titel parameters opcode comments cat o n /o ff ※ ※ ※ ※ p1 p1=00: cat o n p1=80: cat o ff ptt o n /o ff ※ ※ ※ ※ p1 p1=08: ptt o n (tx) p1=88: ptt o ff (rx) satellite o n /o ff ※ ※ ※ ※ p1 ...

  • Page 95: Ft-847 O

    93 ft-847 o perating m anual cat data protocol serial data is passed via the cat jack on the rear panel at a transfer rate set via menu #37 (4800, 9600, or 57600 bps). While data is being transferred, the cat icon on the lcd will appear momentarily, dis- appearing when the data flow is terminated. A...

  • Page 96: Ft-847 O

    94 ft-847 o perating m anual the menu system provides for cloning of all frequency and memory information from one ft-847 to another. The data format is only compatible with other ft-847 transceivers. Cloning of frequency and memory data may be help- ful when outfitting a group of transceivers for a...

  • Page 97: Ft-847 O

    95 ft-847 o perating m anual i nstallation of o ptional f ilters yf-112s-02/yf-115c installation of optional accessories • remove the carrying handle and bottom case of the transceiver (see figure 1). Be sure to remove the screw affixed to the rear panel. ‚ refer to figure 2, and locate the mounting...

  • Page 98: Ft-847 O

    96 ft-847 o perating m anual i nstallation of o ptional v oice s ynthesizer u nit fvs-1a installation of optional accessories • remove the two screws in the carrying handle and the six screws affixing the covers (see figure 3). ‚ refer to figure 4, remove the two front panel mounting screws and loos...

  • Page 99: Ft-847 O

    97 ft-847 o perating m anual the ft-847’s memory data is maintained, even when dc power is turned off, via a lithium backup battery with an estimated lifetime of approximately five years. No data essential to the fundamental operation of the radio is stored in “volatile” memory, so when the battery’...

  • Page 100: Ft-847 O

    98 ft-847 o perating m anual the suggestions below may help you recover from commonly-encountered operational difficulties. In case of trouble . . . C annot t ransmit : ¦ check to ensure that coaxial cable is connected to correct antenna jack. ¦ on 50 mhz, ensure that coaxial cable is connected to t...

  • Page 101: Ft-847 O

    99 ft-847 o perating m anual ¦ if using external keyer/computer-driven keying in- terface and odd characters are being sent, check to ensure that ft-847’s internal k eyer is not on. ¦ if receiver recovery time is too fast or too slow, adjust setting of menu #9. Fm mode ¦ check setting of fm m ic g a...

  • Page 102: 100

    100 ft-847 o perating m anual eme (e arth -m oon -e arth ) o peration appendix o perating t utorial the operational steps for your first eme contacts us- ing the ft-847 are shown below. • connect the ft-847 to your antennas and ampli- fier/preamp as shown on page 15. As a general rule, for 2 meter e...

  • Page 103: 101

    101 ft-847 o perating m anual l as the moon sets, the 144 mhz doppler shift will approach -500 hz, so you should adjust the clar control for a negative setting once the moon passes to the west of your location. At 45º elevation to the west, set the c larifier for about -250 hz offset to compensate f...

  • Page 104: 102

    102 ft-847 o perating m anual h igh -s peed cw m eteor s catter (hscw ms) o peration configuration of the ft-847 for high-speed cw meteor scatter (hscw ms) operation at cw sending speeds at 1000 lpm (letters per minute) or more is eas- ily accomplished, using the connectors and controls provided on ...

  • Page 105: 103

    103 ft-847 o perating m anual s etting the c ontrols and s witches for hscw set the front panel controls and switches as follows. It is assumed, in this example, that you are injecting a 2000 hz afsk keying tone for transmission, and that the “standard” for defining a frequency is the zero beat freq...

  • Page 106: 104

    104 ft-847 o perating m anual h igh -s peed cw m eteor s catter (hscw ms) o peration appendix the “report” format generally consists of any of the following: l a 2-digit burst-length and signal-strength report (e.G. “26”); l a burst-length “s” report (e.G. “s2,” the his- torical report format); or l...

  • Page 107

    This device complies with part 15 of the fcc rules. Operation is subject to the condition that this device does not cause harmful interference..

  • Page 108

    9911i-gk .... Leading the way. Sm copyright 1998 yaesu musen co., ltd. All rights reserved. No portion of this manual may be reproduced without the permission of yaesu musen co., ltd. E 1 1 7 9 1 0 0 5.