Yaesu FT-7900R Operating Manual

Also see for FT-7900R: Technical supplement

12 FT-7900R OPERATING MANUALVOL KnobThis control adjusts the volume level of the receiver’s audio. Clockwise rotation in-creases the audio level.SQL KnobThis control sets the threshold level at which received signals (or noise) will open thesquelch. It should be advanced clockwise just to the point where the noise is silenced(and the “ ” indicator on the display turns off), so as to provide the best sensitiv-ity to weak signals.Hyper Memory Buttons ([1] ~ [5])Press and hold in one of these buttons for 2 seconds to store the current total configura-tion of the radio into a special “Hyper” memory bank.Press the appropriate button momentarily to recall the desired “Hyper” memory.[MHz(PRI)] KeyPress this key momentarily to allow tuning in 1-MHz steps on the VFO frequency whileoperating on the VFO mode. In the Memory mode, press this key momentarily to allowtuning in 10 channel steps on the memory channels.Press and hold in this key for 1/2 second to activate the Priority Channel Scanning (DualWatch feature).[TONE(HM/RV)] KeyPress this key momentarily to change the Tone Squelch mode: ENC (CTCSS Encoder),ENC.DEC (CTCSS Tone Squelch), or DCS (DCS) operation.Press and hold in this key for 1/2 second to reverse the transmit and receive frequenciesduring split-frequency (i.e. “Repeater”) operation.FRONT PANEL CONTROLS & S WITCHES