Kenwood_AT-440_user操作说明书手册

AUTOMATIC ANTENNA TUNER UNITAT-440KENWOODKENWOOD CORPORATIONINSTRUCTION MANUALC PRINTED IN JAPAN B50-8054-30(K.M)(G)8121110987654321Thank you for purchasing the Automatic Antenna Tuner unit AT-440.This unit has been designed for installation in the HFtransceiver TS-440S1.SPECIFICATIONSFrequency range3.5 to 29.7 MHz (All amateurOperating temperature:-10'C to+50'C(14'F tobands)122"F)Input impedance50 ohms,unbalancedDimensions:Wide74×High96×DeepOutput impedance20 to 150 ohms (at SWR less215(mm)than 2.5)Weight:1.2kgInsertion lossLess than 1 dBMaximum input2.ACCESSORIESpower100 wattsThe following accessories are included.SWR for motor stopLess than 1.3Tapping screw..........N87-3006-46........4 pcs.Minimum power forInstruction manual.....B50-8054-30.........copyactivationLess than 3 wattsWarranty cardCurrent consumption:13.8 VDC approx.200 mAU.s.A.only)….B46-0411-00.1copy10 VDC approx.80 mA5 VDC approx.80 mA3.INSTALLATIONRefer to the accompanying illustrations.2.Place the radio on its side with the large open area1.Remove the top cover,filter unit cover and the bot-up.Remove and save the tape securing the wiringtom coverharness taped to the chassis.VOX/BREAK IN switchTop cover(9 screws)TapeFabricNote:Do not loosethe fabric at-tached to thetop of theVOX switch.Note:Do not throw away the tape it will be used later.3.Insert the Antenna Tuner assembly into the open-Filter unit covering as shown,pay attention to the orientation.(3 screws)IN cable1-pinconnecterAT unitFilter unitBottom cover(8 screws)4-pin connecterRF unit2-pinconnecter