MFJ-902_Manual操作说明书手册

MFJ-902/902H Travel TunerInstruction ManualINTRODUCTIONThe MFJ-902/902H Travel Antenna Tuner was specially compact-built for IcomIC-706MKIIG,Yaesu FT-100,Kenwood TS-50,and other rigs with a built-inSWR Meter.You can operate 80 through 10 Meters--anywhere with any transceiver--useany coax fed or random wire antenna.The 902H also has a 4:1 balun withbinding post for balanced lines.It's great for mobile,base,backpack,etc.TheMFJ-902/902H handles 150 watts RF output and has a tuner bypass switch.INSTALLATIONThe MFJ-902/902H should be installed between the transmitter and antenna1.Locate the tuner in a convenient location at the operating position.2.Use a 50 ohm coaxial cable to connect the transmitter or transceiver to theSO-239 labeled TRANSMITTER on the back of the tuner.3.Connect an antenna feed to the appropriate tuner output:a.COAX-FEED to the SO-239 connector labeled ANTENNA.b.)RANDOM WIREMFJ-902:A random wire may be used by connecting to the center ofthe SO-239 connector with the supplied plug.MFJ-902H:Connect to the red binding post labeled WIRE.The MFJ-902/902H must be grounded when using a random wire.c.)BALANCED FEEDERS (MFJ-902H only)to the red binding postslabeled BALANCED LINE.When using a balanced feedline,connect ashort jumper from the WIRE binding post to the closest balanced linepost (see labeling on back of unit).4.Connect your tuner and transmitter to a good earth groundOPERATIONThis tuner has a BYPASS/TUNE switch located on the back of the unit.Simplyplace the switch toward the BYPASS labeling to completely bypass the tuningcircuit.Change the switch toward the TUNE labeling to place the tuning circuitbetween the transmitter/transceiver and the antenna.