FT-790操作说明书手册

FT-790RTABLE OF CONTENTSO.7 METER PORTABLE TRANSCEIVER(Page)INTRODUCTIONSPECIFICATIONS...................................2SEMICONDUCTORS...............................ACCESSORIES........................................3FRONT PANEL CONTROLS AND SWITCHES.···REAR APRON SWITCHES AND JACKS..................8SIDE PANEL JACKS .................................10INTRODUCTIONINTERNAL SWITCHES ...............................110 PERATI0N,……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 utilizes a Liquid Crystal Display forALIGNMENT,,4,+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).theFT-790R is completely self-contained and portable.A high-performancenoise blanker is also included.for minimizing interference caused by impulseFT-790R MODEL CHARTnoise.MODFLFREQUENCYPRESETFREQUENCY STEPREPEATERTONEPower output is I watt.switchable to 0.2 watt for battery conservation.RANGEFREQUENCYSHIFTCALESSBFM(FM)FREQUENCYFor memory backup purposes.a lithium cell is included.providing anestimated lifetime of five years because of the extremely low currentA430=439.9999M436.000MH2100z/1kz25kH/100k2±5M1Hz1800Hconsumption of the memory circuitry.The light weight,portability.andB430=439.99gz433.d400M1002/1kz25k100k1z-7.6M1zREV1750hefficiency of the FT-790R make it suitable for field satellite operation.43039.999gu433.40031121001z/1kHz25k100kH1.6MHzREV1750日emergency FM work.or vacation enjoyment.430-439999g4h4330003MH100H山/1kHz10k/100k日±53MHzWe 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.