FT-790R_user操作说明书手册

FT-790RTABLE OF CONTENTSO.7 METER PORTABLE TRANSCEIVER(Page)INTRODUCTIONSPECIFICATIONS2SEMICONDUCTORS...............................3ACCESSORIES........................................2FRONT PANEL CONTROLS AND SWITCHES..·.,·,·,·REAR APRON SWITCHES AND JACKS..................8S1 DE PANEL JACKS,,,10INTRODUCTIONINTERNAL SWITCHES ...............................110 PERATION…15The FT-790R is a fully portable.compact multi-mode transceiver forCIRCUIT DESCRIPTION25the 70 cm amateur band.Featuring PLL synthesis in 100 Hz.I kHz.25 kHz.or 100 kHz steps.the FT-790R utilixes a Liquid Crystal Display forALIGNMENT ........................................31digital readout of the operating frequency.Ten memories,scanning of thePARTS LIST......................................43band or memory channels,two VFOs.and receiver offset tuning make theFT-790R a significant breakthrough in technology.Powered by eight"C"size dry cells or Ni-Cd batteries (not supplied).theDownloaded byFT-790R is completely self-contained and portable.A high-performanceRadioAmateur.EUnoise blanker is also ineluded.for minimizing interference caused by impulseFT-790R MODEL CHARTnoise.MODFLFREQUENCYPRESETFREQUENCY STEPREPEATERTONECALEPower output is I watt.switchable to 0.2 watt for battery conservation.RANGEFREQUENCYSHIFTSSBFM(FM)FREQUENCYFor memory backup purposes.a lithium cell is included.providing anA430439.99g4436.000MH100h/1kz25kH/100kz±5MH71800Hhestimated lifetime of five years because of the extremely low currentconsumption of the memory circuitry.The light weight,portability.andB45039.999gz433.d400M1002/1kHz25k100k1-7631zREV1750hefficiency of the FT-790R make it suitable for field satellite operation.430439.999gH433.4003M121001z/1kH25k中100kH1.6MHzREV1750用emergency FM work.or vacation enjoyment.430-43999994330003MH00H山1kHz10klz/100kHz±53MH拉We recommend that you read this manual in its entirety,so as to understandmore completely the many features of the exciting new FT-790R.Withproper care in operation.this equipment will provide many years of reliableperformance.