User manual
407790A-en-US_v2.0 8/16
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8. Address:Displayscurrentnumberofdatasurveysstoredinmemory.
9. Bargraph:Displaysthesoundlevelasabargraph.(Thedisplayisupdatedevery100ms)
10. Levelrange:Displaystheupperandlowerlimitofthebargraph.Canbechangedwiththe
LEVELbutton.
11. Under‐rangeindication:Whenasignalisunder‐rangetheUNsymbolwillappearonthe
screen.UsetheLEVELbuttontodecreasethelevelrangesetting.Ifprocesseddatais
under‐rangetheUNindicationwillremainonthescreenuntilthenextprocessing
measurementisstarted.
12. Overloadindication:Whenasignaloverloadisdetected,thescreenwilldisplayOVforat
least1second.UsetheLEVELbuttontoincreasethelevelrangesetting.Ifprocessed
dataisoverrangetheOVindicationwillremainonthescreenuntilthenextprocessing
measurementisstarted.
13. Mainchannelfrequencyweighting:Indicatesthemainchannelfrequencycharacteristic.A:
A‐weighting,C:C‐weighting,Z:Z‐weighting(flatresponse)
14. Mainchanneltimeweighting:Indicatesthemainchanneltimeweightingcharacteristic.
F:Fast(125ms),S:Slow(1000ms),τ:(10ms),I:Impulse(35ms)
15. Mainchannel
leveldisplay:Displaysthemeasuredsoundlevelinthemainchannel.
(Thedisplayisupdatedeverysecond).
16. Subchannelfrequencyweighting:Indicatesthesubchannelfrequencyweighting
characteristic.A:A‐weighting,C:C‐weighting,Z:Z‐weighting(Flatresponse).
Thesubchannelfrequencyweightingcanbesetfromthe
menuscreen.
17. Subchanneltimeweighting:Indicatesthesubchanneltimeweightingcharacteristic.
F:Fast(125ms),S:Slow(1000ms),τ:(10ms),I:Impulse(35ms)
18. Subchannelleveldisplay:Showsthemeasuredsoundlevelinthesubchannel.
(Thedisplayisupdatedeverysecond)
19. Powerstatus:Whenoperatingthe
meteronbatterypowertheyellowsegmentswill
decreaseasthebatterypowerdrains.Whenthesegmentstartstoflash,replacebatteries.
Yellow Yellow Yellow Yellow Red
Batterygood‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐>ReplaceSegmentflashes(critical)
20. Manualstorefull:Whenthemanualstoredmemoryisfull,theMFulsymbolisdisplayed.
Themanualdatastorecapacityis250sets.
21. Autostorefull:Whentheautostorememoryisfull,theAFulsymbolisdisplayed.Theauto
storecapacityis250blocks.
22. ComparatorON:WhenthecomparatorfunctionhasbeensettoONandasignalexceeds
thecomparatoroutputjack,theindicatorCmpwillappearonthedisplay.Asignalwill
outputfromthecomparatoroutputjackonthesidepanel(opencollector).
23. Currentdate:Displaysthecurrentdate
24. Currenttime:Displaysthecurrenttime