MFJ-903_Manual操作说明书手册

MF J-903 6 METER ANTENNA TUNERTRANSHITTERAT包N554583General Information:The MFJ-903 6 Meler Antenna Tuner for The Magic Band gives you lowSWR with practically any coax fed antenna-mobile whips,dipoles,verticals,vees,random wires,beams.With low SWR,your rig will be more efficient;you'll get more power out ofyour 6 meter tranceiver and into your antenna for more DX,it will run coolerHR G-METER TUNERand last longer,and your expensive tranceiver will be protected from50·64H2overheating due to high SWR.LODEL 1H803MFJ-903 Rear PanelThe MFJ-903 handles 100 Watts FM and 200 Watts SSB PEP.It works withALL solid state and tube rigs and is perfect for home and mobile stations.Installation:ANTENNATAANSMITEAThe MFJ-903 installs between your 6 meter tranceiver and your antenna.An图图external Power/SWR meter is necessary for proper operation of the MFJ-903.Connect your 6 meter transceiver to your Power/SWR meter.Then connectthe Power/SWR meter to the TRANSMITTER SO-239 of the MFJ-903.TheGNDcoax from the antenna is then connected to the ANTENNA SO-239 of theMFJ-903.正JT正RPR88,NC.BTAREVILLE,M8 UBAOperation:1.Set TRANSMIITER and ANTENNA controls to 5 (capacitors halfopened).Technical Assistance2.Apply enough transmitter power to give an adequate indication onIf you have ary problem with this unit first check the appropriate section ofyour SWR meter.Do not apply full power while tuning forthis manual.If the manual does not reference your problem or your problemminimum SWR!is not solved by reading the manual you may call MFJ Technical Service at3.Referring to your extemal Power/SWR meter,adjust the601-323-0549 or the MFJ Factory at 601-323-5869.You will be best helped ifTRANSMITTER control for a drop in SWR.you have your unit,manual and all information on your station handy so you4.Adjust the ANTENNA control until minimum SWR is achieved.can answer any questions the technicians may ask.NOT Since the TRANSMITTER and ANTENNA controls interact,theyE must be adjusted altemately until minimum SWR is obtained.You can also send questions by mail to MFJ Enterprises,INC.,300 IndustrialPark Road,Starkville,MS 39759;by FAX to 601-323-6551;through5.Afler minimum SWR is achieved,check output power with aCompuserve at 76206,1763;or by email to 76206.1763@Compuserve.com.voltmeter,relative power meter or with an antenna current meter.Send a complete description of your problem,an explanation of exactly howTune the ANTENNA tuner for maximum power output:make sureyou are using your unit,and a complete description of your station.SWR is at minimum.MFJ-903 Front Panel