Extech Instruments TM500 Guía de usuario descargar pdf (Pagina 8)

8 TM500-EU-EN v1.1 12/13

switchedon(whentheMAX‐MINbuttonwasfirstpressed).TodeletetheMAXvalue,press

theHOLDbutton.ThedisplaywillshowjusttheRECicon.

4. PresstheRECbuttonagain toviewthecurrentMINreadings(MINiconappears).The

readingsonthedisplayarenowthelowest

readingsencounteredsincetheRECiconwas

switchedon(whentheMAX‐MINbuttonwasfirstpressed).TodeletetheMINvalue,press

theHOLDbutton.ThedisplaywillshowjusttheRECicon.

5. ToexittheMAX‐MINmode,pressandholdtheRECbuttonforatleast

1.5seconds.The

meterwillbeep,theREC‐MAX‐MINiconswillswitchoff,theMAX‐MINmemorywillclear,

andthemeterwillreturntothenormaloperatingmode.

DisplayBacklight

ToturnthedisplaybacklightONorOFF,pressthebacklight buttonmomentarily.Themeter

willbeepwhenswitchingthebacklightONorOFFunlessthebeeperisdisabledasdescribedin

theSetupModesectionofthisuserguide.

TimeCheck

MomentarilypresstheSETbuttonandthemeterscurrentDateandTimewillappearinthe

lowerleftcornerofthedisplay.

SamplingTimeCheck

Wheninnormalmode,presstheLOGGERbuttonmomentarily.TheSampleratesettingwill

appearinthelowerleftcornerofthedisplay.

RS‐232/USBPCInterface

ForstreamingofdatatoaPCviatheRS232Outputjack,theoptional407001‐USBkit(USBcable

anddriverCD)alongwiththe407001software(availablefreeatwww.extech.com)arerequired.

ACPowerAdaptor

Thismeterisnormallypoweredbyeight(8)1.5V‘AA’batteries.Anoptional9Vpoweradaptoris

available.Whentheadaptorisused,themeterispermanentlypoweredandthepowerbutton

willbedisabled.



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Extech Instruments TM500 Guía de usuario Pagina 8