FlexRadio Systems Tuner Genius XL

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Copyright 2021 FlexRadio. All Rights Reserved. 7 June 2021(FW:0.9.12, Utility: 0.9.12)
7.1.3 Receiving
InOperatemode,thetunerpowersupplyisengaged,andthetunerispreparedtoreceiveRFInputDriveanda
PTTsignal.Thefrontpanelmetersareactive,band/frequencydataisprocessed,andthetuningsolutionis
applied.
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7.2 Tuning
Therearetwomodesoftuneroperation:manualandautomatic.Inautomaticmode,theuserinitiatesatune
operationtobettermatchthetransmitterandtheantennasystem.Ifoneisfound,thematchsolution(L/C/L
valuesandfrequency)isretainedintunernon‐volatilememoryandautomaticallyusedwhenthe
frequencyof
thetransmitsliceiswithintheMatchFrequencyRange(withthesameantennaselected).
7.3 What is a successful match?
TheTunerGeniusXL triesdifferentcombinationsofcapacitanceandinductancevaluesduringautomatictuning
untilitfindsacombinationthatyieldsanSWRlessthanthesetmaximumforthefrequency.Theminimum
valuecanbesetintwoways:
 Pressthecenterknobonthefrontpanel,then
adjustthevalueupanddown.Finally,presstheknob
againtosavetheresult.
 AdjusttheminimalvalueintheBandConfiguratorscreen.Seesection8.3.5,OtherTabfordetails.