User manual

EXTECHINSTRUMENTS
 4CO30‐en‐GB_v1.711/16
ReleasetheControlbuttonandwaitapproximately20secondsforthecalibrationto
complete.Themeterwilldisplay‘END’for2secondswhencalibrationiscompleteandwill
thenreturntothenormalmodeofoperation.

ChangingTemperatureUnitsC/F
When isshownonthedisplay,pressandholdtheControlbuttontodisplaythecurrent
temperatureunit.MomentarilypresstheCalibrationControlbuttontotoggle°Cand°F
units.Tosavesetting,pressandholdtheControlbutton.Themeterwillreturntothe
normalmode.

TemperatureCompensationAdjustment
When isshownonthedisplay,pressandholdtheControlbutton.Thefactorydefault
‘0.0’valuewillflash.Turnthecompensationpotentiometerclockwisetoincreasethe
temperatureoffsetorcounterclockwisetodecreaseoffset).Therangeis‐5.4°Fto+5.4°F(‐
3.0°Cto+3.0°C).Whendone,pressandholdtheControl
buttontosavethesetting.The
meterwillreturntothenormalmeasurementmodeandwillreflecttheoffsetwhen
temperaturereadingsaredisplayed.
Note:Toperformanaccurateoffsetadjustment,astandardreferenceisrequiredfor
comparison.
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