User manual
EXTECHINSTRUMENTS
4IR300UV‐en‐GB_V1.01/16
Operation
MeterPower
Themeterispoweredbythree1.5VAAbatteries.Withfreshbatteriesinstalled,themeter
switchesONwhenthetriggerispulled.RefertotheMaintenancesectionforBatteryInstallation
instructions.Thebatteryiconprovidesbatterystatusindication.Replacethebatteriesassoonas
thebatterystatusiconindicatesalowbattery.
SettingMode
Thevarious parameters ofthe meter aresetusingthe five ‐waymulti‐switch located belowthe
display.Theavailableparametersarelistedbelow:
Flashlight(ONOFF)
UVlight(ONOFF)
TemperatureUnits(°C°F)
Emissivity(0.10to1.00)
Laserpointer(ONOFF)
Max/Min/Avg&Max‐Min(ONOFF)
HILOAlarm(ONOFF)
HighTemperatureAlarmLimitsetting
LowTemperatureAlarmLimitsetting
Beeper(ONOFF)
SettingModeOverview
The Settings switch has five positions to select a parameter, turn a
parameterONorOFF,andtoadjustparametervalues.
PressandreleasetheMeasurementTrigger.
Press the
button left to enter the Setting Mode. The
parameterselectedwillappearinthedisplay.
Pressthe
buttonrighttoadvancetothenextparameter.
Presstheup
ordown buttonstochangeaparameterstatusoradjustaparameter
value.
Pressthe buttontostoreparameterchangesandadvancetothenextparameter.
Pressthe buttonlefttoexittheSettingsmodeandreturntoMeasurementmode.
Note:IfnobuttonispressedwithintheAPOtimethemeterwillshutdown.Itmaybehelpful
toextendtheAPOtimewhenmakingadjustmentsintheSettingsmode.