MFJ-9440_使用说明书手册

MFJ-9440 Installation Manual40-Meter SSB Travel RadioINTRODUCTIONCongratulations on your choice of the MFJ-9440 40-Meter transceiver.The MFJ-9440 isspecially designed to deliver performance you never thought possible from a low power radio.Please read this manual carefully before attempting to operate your new radio.Lets begin withan introduction to some special features we think you'll like!FEATURESEASY TO OPERATE:The MFJ-9440 is an easy-to-operate,"back to basics"radio.Operate theunit with ease in minutes!GREAT SENSITIVITY:Quiet DBM front end and lots of overall gain for great sensitivity.Ifthe signal is there,you will hear it!ANALOG S-METER:Adjust the tuner or aim the beam with pinpoint accuracy.A calibratedanalog S-Meter measures even the smallest variations in signal strength.The meter alsomonitors your speech processing level on transmit.EXCELLENT SELECTIVITY:Sharp ladder filter cuts adjacent chatter and focuses transmitterpower where you need it most for great selectivity.SMOOTH,STABLE VFO:Effortless tuning with custom manufactured 8:1 reduction drive ballbearing VFO tuning capacitor provides smooth and stable VFO.Fine Tune lets you zero-insmoothly.POWERFUL AF OUTPUT:Big audio and powerful AF output even in noisy locations from aspecial Philips BTL audio chip and rugged 3"speaker.FULL-TIME RF SPEECH PROCESSING:Commanding speech cuts through QRM andcompetes with radios running far more power.Compare with your 100-watt rig.You will beamazed by the signal reports!TRAVEL LIGHT:Packs the same punch as 50-Watt radios without the heavy 10 Amp powersupply!Designed to run on NiCd's or the ultra light MFJ-4110 AC wall adapter supply.RUGGED TRANSMITTER:Bullet-proof Motorola PA transmitter runs cool,and tolerates 3:1VSWR accidentally opened feedlines or feedline shorts.MADE TO LAST:Conservative design,with a premium plate through pc board,qualitycomponents,handsome brushed aluminum panel,and a tough vinyl clad case ensure years ofdependable service.CW ADAPTER AVAILABLE:Install the MFJ CW adapter board jump to the low end to workCW.Semi-break in keying and sidetone.At home or on the go,you will enjoy countless hours operating the MFJ-9440.Best of all,it isfully backed by MFJ's exclusive "No Matter What"1 year guarantee.If it breaks,we will takecare of it!