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La Crosse Technology WS2813UIT Weather Radio User Manual

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lastnoticeablechangeintheweatherwaswhenitwassunny(thesunicononly).Therefore,the

nextchangeintheweatherwillbecloudwithrainiconssincetheindicatorispointing

downwards.



Note:Oncetheweathertendencyindicatorhasregisteredachangeinairpressure,either

theupwardordownwardtendencyarrowwillbedisplayeduntilthetendencychangesagain.

AIRPRESSUREHISTORYGRAPH

TheLCDshowstherelativeairpressurevalueandtheairpressurehistoryonabargraph.

PresstheSETkeytotogglebetweenMode1andMode2ofthedisplay.

Mode1:Thebargraphdisplaystheairpressurehistoryofthepast24hoursinseven

steps.Thehorizontalaxisrepresentsthelast24hoursofairpressurerecording(‐24,‐18,

‐12,‐8,‐6,‐3and0hour).

Mode2:Thebargraphdisplaystheairpressurehistoryofthepast72hoursinseven

steps.Thehorizontalaxisrepresentsthelast72hoursofairpressurerecording(‐72,‐48,

‐36,‐24,‐12,‐6and0hour).

Theverticalbarsareplottedateachofthesevenstepsandgivethetrendovertherecorded

period.The0hourverticalbarwillalwaysdisplayatthemidlineheighttoindicatethecurrent

airpressure.Thevaryingheightofbarsinothercolumnsonthegraphindicatearelativechange

inairpressureupordownfromthepreviousmeasurement.



Newpressuremeasurementsarecomparedtopreviouslyrecordedpressuremeasurements.

Thepressurechangeisexpressedbythedifferencebetweenthecurrent("0h")andthepast

readingsindivisionsof±0.06inHgor±2hPa.Ifthebarsarerisingfromlefttoright,this

indicatesthattheweatherisgettingbetterduetoanincreaseinairpressure.Ifthebarsare

fallingfromlefttoright,thisindicatesthattheweatherisexpectedtogetworseduetoadrop

inairpressure.

Ateveryfullhour,thecurrentairpressureisusedasabasisforthedisplayofanewgraphbar.

Theexistinggraphisthenmovedonecolumntotheleft.



Note:Foraccuratebarometricpressuretrend,theWeatherCentershouldoperateatthe

samealtitude.Shouldtheunitbemoved,forinstancefromthegroundtothesecondfloorof

thehouse,thereadingsforthenext48‐60hoursshallbediscarded.



Note:ThebargraphwillscrollrighttoleftregularlytopreventLCDburnout.



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WINDDIRECTIONANDWINDSPEEDMEASUREMENT

 Apointerontheoutercircleofthecompassindicatesthecurrentwinddirection.

 Thelast6winddirectionsaredisplayedwithpointersontheinnercircle.

 Thewinddirection(abbreviationordegrees)isdisplayedincenterofcompass.

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