User manual

EXTECHINSTRUMENTS
 6CO30‐en‐GB_v1.711/16
ReverttoFactoryDefaultSettings
When  is shown on the LCD display, press and hold the Control button to reset the
CO30toitsdefault(factory)settings.

Escape/ReturnFunction
When isshownontheLCDdisplay,pressandholdtheControlbuttonfor3secondsto
abortthecurrentprogrammingstepandreturntothenormalmeasurementmode.
Maintenance
LowBatteryCondition
Whenthebatteryicon( )appearsontheLCD,thebatteriesmustbereplaced.Ifthemeteris
lowonbatteryvoltage,erraticorinaccurateCOconcentrationreadingsmayresult.Neveruse
themeterwiththelowbatteryicondisplayed.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
As consumers, users are legally
 required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteriesaresold.
Disposal: Do not dispose of this instrument in household waste. The user is obligated to take
end‐of‐life devices to a designated collection point for the disposal
of electrical and electronic
equipment.
TroubleshootingErrorCodes
ThefollowingerrorsmayappearontheCO30display:
E‐1:COmeasurementexceedsspecifiedmeasurementrange
E‐2:Temperaturemeasurementexceedsspecifiedmeasurementrange
E‐3:RelativeHumidity(RH%)measurementexceedsspecifiedmeasurementrange