Yaesu FT-450D Operation Manual

Also see for FT-450D: Operating manual Brochure & specs Operation manual Technical supplement Manual

Contents

Page 5FT-450D OPERATION MANUALFRONT P ANEL B UTTONS AND K NOBSA=B ButtonPress this button momentarily to transfer data from VFO-A fre-quency (or a recalled memory channel) to VFO-B, overwritingthe previous contents in VFO-B. Use this key to set both VFO-Aand VFO-B to the same frequency and mode.A/B ButtonThis button toggles the frequencycontrol between VFO-A and VFO-B.FAST ButtonPressing this button will increase or decrease the tuning rate ofthe [MAIN DIAL] knob by a factor of ten and also increase ordecrease the tuning rate of the [DSP/SEL] knob by a factor oftwo.LOCK ButtonThis button toggles the locking of the [MAIN DIAL] knob and someswitches, to prevent accidental frequency changes.Advice: You may select the locking schemes via the Menu Mode.Term Explanation: The Menu Mode permits you to make small changesin the parameters of many of the functions of the FT-450D. You can cus-tomize the operations to your personal preferences.MAIN DIAL KnobThis knob adjusts the operating frequency in the SSB/CW/DATA modes.You may change the knob’s function to also adjust frequency in AM/FMmode via the Menu Mode.When the Clarifier is activated, this knob adjusts the receiver offsetfrequency.AF GAINThis knob sets the receiver’s audiovolume level. Typically, you will op-erate with this control set betweenthe 9 o’clock and 10 o’clock posi-tions.SQL/RF GAIN KnobIn the factory default, this knob ad-justs the gain of the receiver’s RFand IF stages. Using Menu Item“SQL/RFG”, this knob may bechanged to function as a Squelchcontrol, which may be used to si-lence background noise when no sig-nal is present.BAND/BAND ButtonThese buttons select the operating band.