PicoQuantGmbH MultiHarpSoftwareV.3.1.0.0
6.3. Toolbar
Toolbarbuttonsofspecialinterestareexplainedinsomemoredetailhere:
Context Help
WhenyouchoosetheContext Helpbutton,themousepointerwillchangetoanarrowwithquestionmark.Ifyou
thenclicksomewhereintheMultiHarpwindow,suchasonanothertoolbarbutton,thehelptopicassociatedwith
itwillbeshown.
Axis Panel
ClickingthisbuttonopenstheAxis Panel.Thispanelprovidescontrolsfortheaxislimitsandlin/logdisplay
switching.Double-clickingtheaxesopensthesamedialog.Thedialogisnon-modal,soitcanremainperma-
nentlyopen.Thepanelwillrememberitslastpositionwhenclosed.Whenitisopenedthenexttimeitwillbeat
thatscreenpositionagain.
Data Cursor
Opensthedatacursordialogbox.Youcanusethisdialogtomarkandretrievethedatavaluesofindividualhis-
togrambins.Apairofcrosshairswillbeprovidedformarkingdatapointswiththemouseorkeyboard.Whenthe
datacursordialogisactivated,thecrosshairswillappearinthehistogramdisplayarea.Byclickingonorneara
datapoint,thecurrentcrosshair(black)willsnaptothatpoint.Atthesametimeasecondcrosshair(grey)will
jumptothepreviouslymarkedpoint.Thedatacursordialogthenshowsthecurrentcountandtimevaluesfor
thesepointsaswellasthecorrespondingdifferences(deltas).Thedatacursoralwaysappliestoone"active"
curveonly.Youcanselectthisactivecurveatthetopofthedialogwhereitisshownwithitscorresponding
curvecolor.Whilethegreycrosshairnormallyjumpstothepreviousdatapoint,youcanmodifythisbehaviorby
holdingdowntheSHIFTkeywhileclickingoncurvepoints.Thegreycrosshairwillthenremainatitsprevious
position.Thisallowsfindingaparticularpointwhilekeepingtheotheronefixed.
AnotheradvancedmodeofoperationofthedatacursorispossibleviatheLEFTandRIGHTarrowsofthekey-
board.Pressingthesekeyswilldirecttheblackcursortothenextleftorrightpointinthecurve.Again,thebe-
haviorofthemarkerforthepreviouspoint(greycross)canbecontrolledviatheSHIFTkey.
Control Panel
LaunchestheMultiHarpControl Panel.Ifthecontrolpanelisalreadyopen,subsequentclickingofthisbutton
willjustmakethecontrolpaneltheactivewindow.Thedialogisnon-modal,soitcanremainpermanentlyopen.
Thepanelwillrememberitslastpositionwhenclosed.Whenitisopenedthenexttimeitwillbeatthatscreen
positionagain,eveninthenextMultiHarpsession.
Trace Map
Launchesthe Trace Mappingdialog.The MultiHarp softwarecanmeasurehistogramsinupto512memory
blocks.Outofthese,upto16curvescanbedisplayed.Notethatthislimitationapplieseventohardwarewith
moreinputchannels,simplybecausedisplayingmoretracesatatimewouldresultinmassiveclutteronthe
screen.Thetracemapdialogisusedtoselectthecurvestodisplay.Ticktheindividual"Show"boxestodisplay
acurve.Selectthenumberofthememoryblockyouwishtomaptheindividualdisplaycurveto.Choosetheac-
tivememoryblockyouwishtouseforthenextmeasurementintheMultiHarpcontrolpanel.
TTTR Mode
OpenstheTTTRmodedialogbox.Usethisdialogtoentertheacquisitiontimeandthedestinationfilefora
TTTRmoderun.Makesureallothermeasurementparametershavebeensetandtestedininteractivemode
beforeenteringTTTRmode.
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