Product Manual
FLIRCM174USERMANUALDocumentIdentifier:CM174‐en‐US_AB
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5. Operation
Note:Beforeoperatingthedevice,pleaseread,understand,andfollowallinstructions,dangers,
warnings,cautions,andnotes.
Note:Whenthemeterisnotinuse,thefunctionswitchshouldbesettotheOFFposition.
Note:Whenconnectingtheprobeleadstothedeviceundertest,connectthenegativeleadbefore
connectingthepositivelead.Whenremovingtheprobeleads,removethepositiveleadbefore
removingthenegativelead.
5.1PoweringtheMeter
1.SetthefunctionswitchtoanypositiontoswitchthemeterON.
2.Ifthebatteryindicator shows thatthebatteryvoltageisloworifthemeterdoesnotpower
on,replacethebatteries.Seesection6.2Batteryreplacement.
5.1.1AutoPowerOff
Themeterenterssleepmodeafter10minutesofinactivity.Themeterbeepsthreetimes
beforepoweringoff.Pressanybuttonorturnthefunctionswitchtopreventthemeterfrom
poweringoff.Theautopowerofftime‐outisthenreset.DeactivateAPO(orsettheAPOtimer)
usingthe
ProgrammingMenu(refertoSection5.10.2ProgrammingMenu).TheAPOicon is
displayedwhenAPOisactive.
5.2Auto/ManualRangeMode
InAutorangemode,themeterautomaticallyselectsthemostappropriatemeasurementscale.In
Manualrangemode,thedesiredrange(scale)canbesetmanually.
Autorangemodeisthedefaultmodeofoperation.Whenanewfunctionisselectedwiththe
functionswitch,thestartingmodeisAutorangeand
the indicatorisdisplayed.
ToenterManualrangemode,presstheRANGEbutton.Tochangetherange,presstheRANGE
buttonrepeatedlyuntilthedesiredrangeisdisplayed.
ToreturntoAutorangemodefromManualmode,pressandholdtheRANGEbuttonuntilthe
indicatorisdisplayed.
5.3HOLDMode
1. InHoldmode,thedisplayfreezesthelastreadingandcontinuestodisplaythisvalue.
2. UsetheHOLDbuttontotogglebetweenNormalandHoldmodes.InHoldmode,the
indicatorisdisplayed.