FlexRadio Systems Tuner Genius XL User Manual


Page50of 72
Copyright 2021 FlexRadio. All Rights Reserved. 7 June 2021(FW:0.9.12, Utility: 0.9.12)
7.3.2 Manual Tuning


WhiletheTunerGeniusXL'sdefaultmodeofoperationistocreatetuningsolutionsautomatically,manual 
tuningispossible.Threefrontpanelcontrolsallowmanualtuning,accomplished byturningoneofthreeknobs
foundalongthebottomedgeofthefrontpanel.Thefirstknobselectsthefirstcapacitor(C1)
inthePInetwork,
thesecondknobselectstheinductor(L1),andthethirdknobselectsthesecondcapacitor(C2).
Procedure:
 Applyatuningsignalatthedesiredfrequency.
 ObservetheSWRvalueinthedisplay.
 Presstheleftmostknobtoselectmanualtuning.The"ManualTuning"
messageappearsonthefront
paneldisplay.
 Adjusttheknobtoselectthefirstcapacitance.
 Adjustthemiddleknobtoselecttheinductance.
 Adjusttherightmostknobtoselectthefinalcapacitance.
 Presstheleftmostknobtosavetheresultforlateruse.
Inmanycases,two
ormorevaluesoftheindu ctancemayproduceminimumSWRvalues.Thegeneralrule‐of‐
thumbforthiscaseistoselectthesmallestinductance(smallest"Lvalue"onthedisplay).
TheTunerGeniusXLWindowsUtilityprovidessimilarmanualtuningcontrols.First,clickontheleftmost
"knob"inthe
display,usethemousewheeltoadjustthevalueupanddown.Continuewiththesecondand
third"knobs,"thenclickonthefirst"knob"tosavethetuningsolution.Seesection8.4.4,ManualTuning
Controls,formoreinformation.

FlexRadio Systems Tuner Genius XL Specifications

General

Brand	FlexRadio Systems
Model	Tuner Genius XL
Category	Tuner
Language	English