Yaesu FT-7900R Operating Manual

Also see for FT-7900R: Technical supplement

16 FT-7900R OPERATING MANUALPTT SwitchPress this switch to transmit, and release it to receive.KeypadThese 16 keys generate DTMF tones during trans-mission.In the receive mode, the numeric (0 - 9) keys canbe used for direct frequency entry and/or directnumeric recall of the Memory channels and thealphabet (A - D) keys can be used for controls thetransceiver, as follow:[A] Key:Press this key momentarily to activate the SmartSearch feature.Press and hold in this key for 1/2 second to activates theARTS feature.[B] Key:Press this key momentarily to switch the Memory Channel display between the“Frequency” format and “Alpha-numeric Tag” format.[C] Key:Press this key momentarily to disable the noise squelch action, allowing you to hearvery weak signals near the background noise level.[D] Key:Press this key momentarily to allow tuning in 1-MHz steps on the VFO frequencywhile operating on the VFO mode. In the Memory mode, this allows tuning in 10-channel steps on the memory channels.Press and hold in this key for 1/2 second to activate the Priority Channel Scanning(Dual Watch) feature.[P1]/[P2]/[P3]/[P4] Buttons[P1] button:This button replicates the functions of the front panel [BAND(SET)] key.While operating on the VFO mode, press this button momentarily to toggle theoperating band as follows:144 MHz Æ 250 MHz Æ 350 MHz Æ 430 MHz Æ 850 MHz Æ 144 MHz ......In the Memory mode, press this button momentarily to activate the “Memory Tune”function.Press and hold in this key for 1/2 second to enter the Set (“Menu”) mode.MH-48A6J M ICROPHONE