The manual was written in by mfj and applied to mfj910. When pressed the red button should lock into position. Describe your experience with the mfj989d 3kw roller inductor antenna tuner and tell us why you give it the rating you did required. Information in this manual is designed for user purposes only and is not intended to supersede. The mfj 989c versa tuner v has a crossneedle meter and builtin antenna switch the cabinet has a few scratches. Mfj 989c pdf the mfj989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep. Mfj993 mfj 993 mfj993 technical specifications the mfj993 is a fully balanced true balanced line antenna tuner. This link is listed in our web site directory since wednesday sep 14 2011, and till today mfj 989c modification has been followed for a total of 1124 times. Field upgradeable firmware via the serial port download and upgrade your mfj998 as new features are introduced. For a period of time, as a direct result of this error, mfj support instructed customers to ignore the older, original, and correct manual. The mfj249 requires between 8 and 18 volts for proper operation. Mfj989c versatuner v instruction manual 1 introduction the mfj989c roller inductor tuner is a 3000 watt pep input, 900 watts pep ssb. In the 986 manual there is aschematic that show 1n34a diodes in both the forward and reflected power circuits.
These power ratings are for load impedances of 35500 ohms. Page 17 mfj 989d versatuner v instruction manual tuner log use the chart below to log tuner settings for your station. Mfj900 econo tuner manual newfoundland and labrador. Mfj989c mfj 989 c mfj989c pdf user manual for mfj989c mfj 989 c mfj989c. Mfj has 499 product models in radio and 500 pdf manuals in english for download. This worldfamous 3 kw mfj 989c versatuner v features two massive transmitting capacitors and a roller inductor with a three digit counter. Antenna 20db tuner mfj959 preamplifier receiver covers 1. 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.
I purches a mfj 989c not long ago knowing that the belt was broken as it was a old 989c, i purchest 2 new belts from mfj to install soon as i could get them, well after waiting for 2 weeks never received them. About mfj 989c modification the resource is currently listed in in a single category. Mfj mfj910 instruction manual owners manual, users. Mfj 259b antenna analyzers sch service manual download. Note that there is a limit to the number of files you can download. Automatic bypassing when excessive tuning power or power in excess of 1500 watts is applied. The tuner features two massive transmitting capacitors and a roller inductor with a three digit counter. You may want to copy this chart and post it by your tuner. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. The mfj989c versa tuner v has a crossneedle meter and builtin antenna switch the cabinet has a few scratches. Very little dust, no dirt, no dents, no smoke smells. A few heavy scratches on the top panel are the only reason we set i.
Mfj s innovative differentialt tuner uses a differential capacitor that makes tuning easier than ever. Go to the product page and click on the product manuals tab. Mfj 259c instruction manual hfvhf swr analyzer 4 1. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Apr 17, 2020 mfj993 mfj 993 mfj993 technical specifications. Automatic antenna tuner 48 pages tuner mfj mfj 998 instruction manual.
Jan 21, 2004 mfj versa tuner v mod 989c let others help you to determine what a piece of equipment is worth, before you put it up for sale. The main category is mfj 989c antenna tuner that is about mfj 989c hf antenna tuner. Handheld radio dj100t dj120t dj160t460t dj162 dj175t dj180480 dj182382482 dj190 dj191491. Mfj989c versatuner v instruction manual 1 introduction the mfj989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep output antenna tuner. The outputside balun consists of 12 turns of multistrand silverplated ptfe covered wire wound on two stacked amidon ft240k cores a l, per core, is 4. Dec 03, 2017 getting this poor thing working again. Mfj 989c mfj 989 c mfj989c instruction manual mfj uses super heavy duty components roller inductor, variable capacitors, antenna switch and balun to build the worlds most popular high power antenna tuner. If you try to tune into a poor antenna, you will get poor results. Provision of capacitor shorting switches allows the tnetwork to be converted into one of the two lparallel, cseries lnetworks if circumstances permit. The main category is mfj 989c antenna tuner that is about mfj989c hf antenna tuner.
Customer accounts did not transfer over to the new site so. View online instruction manual for mfj mfj 902b tuner or simply click download button to examine the mfj mfj 902b guidelines offline on your desktop or laptop computer. Mfj949e versa tuner ii 1 mfj949e versa tuner ii instruction manual general information the mfj949e is a 300 watt rf output power antenna tuner that will match any transmitter or transceiver to virtually any antenna. The mfj989c is designed to match 50 ohm output amplifiers, transmitters or transceivers to virtually any antenna. The manual was created in pdf format with the filename of mfj910. Read pdf manual turner intuitive design and a small footprint. The unused turns of the coil are shorted to ground, and an additional shorting contact is applied when less than half of the coil is in use mfj selfresonance killer. Apr 10, 2020 mfj 989c versatuner v instruction manual 1 introduction the mfj 989c roller inductor tuner is a 3000 watt pep input, 900 watts pep ssb. It gives you superb current balance throughout its very wide matching and frequency range. Mfj962 versa tuner iii service manual download, schematics. Your analyzers calibration plane is the point of reference where all measurements have greatest accuracy gain reference 0db and phase shift 0 degrees.
The mfj989c has a builtin dummy load, swrwattmeter, a balun for balanced line feeders, and feeds a long wire as well as two coax fed antennas. Mfj versatuner v 989d instruction manual pdf download. The mfj989c has rear mechanics of machines cleghorn 4th edition pdf panel connectors for coaxial and single or two wire. Discontinued amateur antenna tuners this famous mfj 989b versatuner v covers 1. Any power supply used with the mfj249 must be capable of supplying 200ma of current. I dont know if the 962d uses the same circuit although the meters appear. Etac turner pro mfj989c versatuner v instruction manual 1 introduction the. Packet, pactor, amtor, rtty, color sstv, 16 gray level fax, weather fax, cw, ascii, navtex and memory keyer plus an enhanced 32k mailbox thats expandable to 512k.
Field upgradeable firmware via the serial port download and upgrade your mfj 998 as new features are introduced. Page 17 mfj989d versatuner v instruction manual tuner log use the chart below to log tuner settings for your station. Ham radio salvaging a burned mfj 962d versa tuner youtube. Mfj enterprises inc,ameritron,hygain,hygain,cushcraft,vectronics,mirage, mfj, mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier. Mfj 259 antenna analyzer calibration, problems, and service. 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. Mfj 422b422b x instructions introduction thank you for your purchase of the mfj422b422bx electronic keyer. The mfj1278 dsp and mfj1289 multicom software are packed with features available only from mfj. Mfj993 mfj 993 mfj993 instruction manual mfj993 mfj 993 mfj993 technical specifications. Let others help you to determine what a piece of equipment is worth, before you put it up for sale.
Mfj enterprises inc,ameritron,hygain,hygain,cushcraft,vectronics,mirage,mfj,mfj enterprises,antenna,radio,ham radio,amateur radio,tuner,analyzer,starkville,amplifier,xiegu,loop antenna. Mfj993 mfj 993 mfj993 pdf user manual for mfj993 mfj 993 mfj993. Builtin radio interface provides control of most amateur transceivers. The mfj422b422bx is designed to mount on the bencher paddle resulting in a compact, onepiece keyerpaddle combination. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. Please contact me directly for any further information. The new manual, now long outofprint, advised tuning for the second impedance dip on the next bandrange up or down from the first dip. The mfj993 intellituner lets you tune any antenna automatically balanced or. Customer accounts did not transfer over to the new site so you will need to create a new account. Download instruction manual of mfj mfj902b tuner for free or view it online on. If i have 3 swr and turn the inductance or the knob of the antenna or transmiter it simple doesnt do nothing, no match the swr stays as it is. The mfj989c versa tuner v is designed for use in high power amateur transmitting installations up to 3kw pep. Mfj989c mfj 989 c mfj989c instruction manual mfj989c mfj 989 c mfj989c technical specifications. Mfj 259 antenna analyzer calibration, problems, and.
The mfj 986 is a rugged roller inductor antenna tuner that handles 3kw pep ssb amplifier input power 1500 watts pep ssb output power. The copy of this manual provided to the customer will not be updated to. Mfj 1278 dsp the world of free packet software amsterdam. Mfj mfj902b tuner instruction manual pdf viewdownload. If the manual does not reference the problem or succeed in solving it, call a. The improved curtis 8044 abm keyer ic is used in the mfj422b422bx to make perfect code transmission easy.
One port vector network analyzer vna measures the electrical parameters of one port of a network wont measure transmission parameters of a 2 port network network electrical circuit a port is one complete signal path. Mfj993 mfj 993 mfj993 technical specifications the mfj993 is a. Mfj 249 swr analyzer instruction manual 4 operation of the mfj 249 after the mfj 249 is connected to a proper power source the red onoff button can be depressed to apply power. For basic handheld units like the mfj259c, the calibration plane is always fixed at the analyzers rf connector. Mfj989d versatuner v instruction manual 2 disclaimer information in this manual is designed for user purposes only and is not intended to supersede information contained in customer regulations, technical manualsdocuments, positional handbooks, or other official publications. This worldfamous 3 kw mfj989c versatuner v features two massive transmitting capacitors and a roller inductor with a three digit counter. In both units the forward power meter has quit working. Mfj989c versatuner v instruction manual 1 introduction the mfj 989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep output antenna tuner. Peak or average forward and reflected power and swr can be read on the illuminated crossneedle meter. I have the same problem only with 2 different mfj tuners. Pierpont, nohff, 2001 fernschreiben fur funkamteure rupert mohr, dl3no, 1976. Antenna 20db tuner mfj 959 preamplifier receiver covers 1. The mfj989c roller inductor tuner is a 3000 watt pep input, 1500 watt pep output antenna tuner. Very little dust, no dirt, no dents, no smoke smells, no signs of abuse or misuse.
699 686 1484 1588 1522 187 708 1568 148 1108 63 1458 1310 1512 797 1499 1593 191 1212 523 412 270 358 174 597 631 634 74 846 526 55