INTRODUCTIONYaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK) Page 6 of 77IntroductionThe FT−8900R is a ruggedly-built, high quality Quad Band FM transceiver providing 50 Wattsof power output on the 29/50/144 MHz Amateur band and 35 Watts on the 430 MHz band.The high power output of the FT−8900R is produced by its RD70HVF1 Power MOS FETamplifier, with a direct-flow heat sink and thermostatically-controlled cooling fan maintaininga safe temperature for the transceiver’s circuitry.Featuring 809 memory channels, full duplex operation with independent Volume and Squelchcontrols, and built-in CTCSS and DCS encoder/decoder circuits, the FT−8900R includesprovision for remote-head mounting, utilizing the optional YSK−8900 Separation Kit, whichallows installation even in the most compact of cars.We recommend that you read this manual in its entirety, so as to fully understand the manyfeatures of your new FT−8900R transceiver.Front Panel Controls(1) Left and Right DIAL knobsThese 20-position detented rotary switches are the tuning DIALs for the left and right bands.