The mfj 969 antenna tuner has a full size noninductive 50 ohm dummy load. Settings cant be readily changed and config operations like erasing tuner memory and resetting the tuner which the manual recommends doing if the tuner is not behaving properly or acting erratically a direct quote from the manual are. There are so many functions that the read will be worth your while if you have considered the intellituner for your station. The mfj 989c is designed to match 50 ohm output amplifiers, transmitters or transceivers to virtually any antenna. Mfj929 automatic, compact antenna tuner 200w similar to mfj993b, but. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Mfj993b intellituner automatic antenna tuner with remote.
Mfj 249 swr analyzer instruction manual 2 introduction the mfj 249 swr analyzer is an easy to operate, versatile test instrument for analyzing nearly any 50 ohm rf system on frequencies between 1. In addition the mfj 249 can be used as signal source and. Like mfj 993b, less digital swrwattmeter lcd display, audio swr meteraudio feedback, antenna switch or 4. The mfj 929 has an integral digital readout which gives a variety of information. Mfj 993b tuners are comprehensive automatic antenna tuning centers with an swrwattmeter, a builtin antenna switch for two antennas, and a 4. Youll find it handy for tuning, testing, repairing rigs, setting power level, adjusting mic gain, etc. The only difference between the 998 and the 993b at the dc input to the regulator is the value of the cap at the reverse polarity protection diode. Mfj 993 mfj 993 mfj993 instruction manual mfj 993 mfj 993 mfj993 technical specifications. Mfj mfj 993rc remote control head for mfj 991 mfj 993 mfj 994 remote antenna tuners. Mfj993 or mfj994 intellituner automatic antenna tuner. Mfj 989c versatuner v instruction manual 1 introduction the mfj 989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep output antenna tuner.
Le manuel dinstallation ou notice dinstallation mfj 993b donne les instructions pour le mettre en service. Since the capacitance and inductance are interdependent, some backandforth between the two may be needed, just as in a conventional tuner with knobs. To extend battery life, the tuner has builtin rfsensing that applies power to the meter electronics only when a transmit signal is applied. Mfj993b interface prewired cables allows automatic tuning of your mfj 991b 993b 994b intellituner through radio. Intellituner automatic antenna tuner tm model mfj 993b instruction manual caution. Features and applications are what differentiate these three tuners. Basically, a distance of about 4feet seems to resolve. This tuner also has manual tuning capability and ab antenna switching. All i do is click the tune button in smartsdr, with a tune power of 10 watts. Mfj 998 legal limit intellituner automatic antenna tuner instruction manual manual tuning of inductance is similarly accomplished, using lup and ldn. The yaesu tuner interface allows the use of the radios tune key to initiate automatic tuning, whereas the yaesu cat interface uses the tuners tune button to start automatic tuning. Mfj 993 instruction manual pdf download manualslib.
The manual includes two tables that show the distances one must stay away from the actual wire loop in order to meet the current fcc guidelines. Read all instructions before operating equipment mfj enterprises, inc. I have a 998 tuner and after many years of operation, my power switch is still good. Mfj 993brt instruction manual pdf download manualslib. Download mfj 269 service manual pdf full ebook online right now by past associate below. Using hyperterminal with mfj keyersreadersdownload manual mfj catalog dealer listing. The mfj 993b intellitunertm lets you rapidly tune any antenna automatically. If the desired features dont exist at your power level, just move up a level and check again. Mfj 4116 is supplied with the mfj 927, but is an option for the mfj 929 and mfj 928. This is the first mfj product i have been entirely satisfied with. View and download mfj 993 instruction manual online.
Mfj 249 swr analyzer instruction manual 3 powering the mfj 249 the mfj 249 requires between 8 and 18 volts for proper operation. Remote control plug in the mfj 993rc, remote control and use your tuner elsewhere remotely. The mfj manual isnt the best, it takes some reading and some experimentation to get the results desired. Mfj 993b intellituner automatic antenna tuner instruction manual 20052012 mfj enterprises, inc. Mfj 993 b pdf information in this manual is designed for user purposes only and is not intended to. After 12 years the tuner looks a little ragged and beatup, but it just keeps working. The mfj 993b intellitunertm lets you rapidly tune unbalanced, balanced, or singlewire antenna automatically.
Picked up a tuner and the frequency counter didnt worklook at what i found under the hood. Mfj 962d instruction manual 4 battery, make sure the snap clip is anchored solidly to the battery holder where it was wedged for shipping. Mfjs qrmfreepretune lets you pretune mfj 969 off the air into a built in dummy load without causing qrm. Mfj993b automatic hf antenna tuner operation youtube. Mfj993b datasheet, mfj 993b pdf, mfj993b data sheet, mfj 993b manual, mfj 993b pdf, mfj 993b, datenblatt, electronics mfj 993b, alldatasheet, free, datasheet. Mfj enterprises inc,ameritron,hygain,hygain,cushcraft,vectronics,mirage, mfj, mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier. You will be best helped if you have your unit, manual and all information on your station handy so you can answer any questions the technicians may ask. The mfj 939 comes complete with interface cable and programmed. They may be operated at a remote distance through a9pin to 9pin computer cable using the mfj 993rc remote control unit.
Not to worry as the mfj 993b tunes everything i threw at it without any complaints. Arduino mega 2860 or equivalent not arduino uno as it lacks inputs and memory. Mfj 1026 instruction manual pdf download manualslib. Anyone know which mfj cable interface is to be used with the mfj 993b autotuner to the dx10. The mfj 993b is a comprehensive automatic antenna tuning center with swrwattmeter, antenna switch for two antennas, and a 4. If the manual does not reference your problem or your problem is not solved by reading the manual, you may call mfj technical service at 6623230549 or the mfj factory at 6623235869. Mfj s exclusive instantrecalltm, intellitunetm and adaptivesearchtm. Mfj 993 intellituner automatic antenna tuner instruction manual front panel cup lup auto power 14. Customers using this manual should report errors or omissions, recommendations for improvements, or other comments to mfj.
Mfj 998 instruction manual pdf download manualslib. The mfj 969 has a new tough aluminum case has a scratch proof multicolored lexan front panel. Mfj 949e versa tuner ii 1 mfj 949e versa tuner ii instruction manual general information the mfj 949e is a 300 watt rf output power antenna tuner that will match any transmitter or transceiver to virtually any antenna. It gives you superb current balance throughout its very wide matching and frequency range. The mfj 986 differentialt 3kw tuner uses a differential capacitor to make tuning easy. Mfj 969 deluxe versa tuner ii 1 mfj 969 versa tuner ii instruction manual general information the mfj 969 is a 300 watt rf output power antenna tuner that will match any transmitter or transceiver to virtually any antenna. View and download mfj 993brt instruction manual online. This tuner obsoletes all low power manual tuners and beats ldg auto tuners. Manual mfj radio antenna tuners, mfj hf manual radio antenna tuners. No thought whatsoever has been given to usability features of the mfj 993b on which this tuner is based.
Mfj intellituner mfj 993b automatic antenna tuner ham radio top selling product. The mfj 986 is designed to match 50 ohm output amplifiers, transmitters or transceivers to virtually any antenna. Mfj 993 mfj 993 mfj993 technical specifications the mfj 993 is a fully balanced true balanced line antenna tuner. Mfj intellituner automatic tunerautomatically tunes unbalancedbalanced antennas. Mfj intellituner mfj993b automatic antenna tuner ham radio. Peak or average forward and reflected power and swr can be read on the illuminated crossneedle meter.
Mfj 12d activepeakreading circuit can also use a 9 volt battery. The mfj 993b is a comprehensive automatic antenna tuning center with swrwattmeter. Refer to the appropriate section in this manual to connect the mfj 5124 to the radio and the tuner. Jan 12, 2021 mfj intellituner mfj 993b automatic antenna tuner ham radio top selling product. Operating the mfj993b auto tuner remotely on the lan. Allows automatic tuning of your mfj 991b 993b 994b intellituner through radio. This project details basic code to web control a mfj 993b any of the mfj 99x line auto tuner. These are manual tuners designed to tune small loop antennas, and are particularly useful for antenna restricted andor portable operation. Arduino mega 2860 or equivalent not arduino uno as it. Peak and average forward power, reflected power, and swr are displayed on the mfj 986s illuminated crossneedle meter. Mfjs 8 positions let you select two coax fed antennas, random wirebalanced line or builtin dummy load for use through your mfj 969 or direct to your rig.
View and download mfj 1026 instruction manual online. There is 3 out of the ordinary download source for mfj 269 service manual pdf full ebook. Any power supply used with the mfj 249 must be capable of supplying 200ma of current. These power ratings are for load impedances of 35500 ohms. The copy of this manual provided to the customer will not be updated to reflect current data. Got this with some ham gear i bought its in good shape and works great the only thing is the other owner had cut off the plug and had it hooked up to a power supply instead of using the plug to plug it into the wall it does come with the power cord that plugs into the back of the unit just no plug to plug. The pdf file at the bottom of the page is a wealth of info that i didnt cover here. As pointed out in the mfj 935b manual, you need to take rf exposure precautions due to the high rf power density of a small loop antenna system. One series of products that i found very interesting were the mfj loop tuners. Mfj intellituner mfj993b automatic antenna tuner ham. Page 6 of the manual describes the stickytune feature, which i have turned on.
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