The mAT-30 is an automatic tuner intended for use with modern YAESU transceivers. It works with some YAESU transceiver that supports an FC-30 , FC-40 or FC-50 YAESU tuner; a partial list of compatible units includes: FT-100,FT-857D,FT-897D,FT-450D,FT-891,FT-950,FT-991,FT-991A,FTDX-3000. The operation is the same as the method of the YAESU tuner, which is simple and convenient.
At present, the mAT-30 does not support FT-817/818. If you operate them, you can choose another tuner: mAT-10, which is specially designed for QRP transceivers and perfectly supports FT-817/ 818 and other QRP devices.
The mAT-30 connects to the radio via its CAT/LINEAR jack to control the tuning cycle; the transceiver's Tune button controls the tuner. The CAT/LINEAR jack also powers the tuner, so it requires no external power supply. Tuning is performed when the TUNE button is pushed on the front of the transceiver and held for one second.
The mAT-30 can work within the range of 1.6MHz to 54MHz, at power levels up to 120 watts. It will tune dipoles, verticals, Yagis, or virtually any coax-fed antenna. It will match an amazing range of antennas and impedances, far greater than some other tuners you may have considered, including the built-in tuners on many radios.
The mAT-30 has 16,000 frequency memories. When turning on or near a previously tuned frequency, the mAT-30 uses "Memory Tune" to recall the previous tuning parameters in a fraction of a second. If no memorized settings are available, the tuner runs a full tuning cycle, storing the parameters for memory recall on subsequent tuning cycles on that frequency. In this manner, the mAT-30 "learns" as it is used, adapting to the bands and frequencies as it goes.
The mAT-30's interface cable provides control signals between the YAESU radio and the tuner. As the figure shows, the cable has two mini-DIN 8-pin plugs. Push and hold the radio's [TUNER] button for two seconds to start the tuning process. Push [TUNER] quickly to bypass the tuner.
The supplied radio interface cable is 50 centimeters long. If it is desired that the mAT-30 be positioned farther from the transceiver than this cable length allows, a custom cable will need to be constructed. This can be accomplished in two ways: Cut the supplied cable and solder a jumper wire between all the connections, or purchase new connectors and cable to construct a custom-length interface cable from scratch.
Designed to work with YAESU T-857D, FT-897D, FT-450D, FT-950D, FT-891, FT-991, FT-991A, FT-100D, FTDX-3000 ANY that use the FC-30, FC-40 Tuner!
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