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EXTECHINSTRUMENTS
5IRT25‐en‐GB_V1.02/17
SettingMode
ReleasethetriggerandpresstheSETbuttontoaccesstheSettingMode.UsetheSETbuttonto
navigatethroughtheSettingModefieldsanduse
(UP)andtheMAX‐MIN(DOWN)
buttonstomakechanges.Theavailableparametersarelistedbelow:
Emissivitysetting
°C/°Ftemperatureunitsselection
TemperatureAlarmAudibleBeeperEnable/Disable
HighTemperatureAlarmLimitsetting
LowTemperatureAlarmLimitsetting
Thecorrespondingparametericonwillflashwhenselected.
ToexittheSettingMode,press
andholdtheSETbuttonfortwoseconds.
EmissivitySetting
The iconwillflashwhenselected.Usethe upandMAX‐MINdownbuttonsto
increaseordecreasetheemissivity(in0.01steps).Theemissivityrangeis0.10to1.00.Hold
theupordownbuttontorapidlyincreaseordecreasetheemissivityvalue.PresstheSET
buttontoconfirmandtosteptothenextoption.
Selecting
theTemperatureUnitofMeasure(°C/°F)
Usethe upandMAX‐MINdownbuttonstoselect°Cor°F.PresstheSETbuttonto
confirmandtosteptothenextoption.
Enable/DisableAudibleTemperatureAlarm
Thisparameterisusedtoenable/disabletheaudibletemperaturealarm.The
iconwillflash
inthismode.
Usethe
upandMAX‐MINdownbuttonstotogglethesetting.Whentheaudible
alarmisdisabled,thedisplaywillshow‘HIGHLOW’.Whentheaudiblealarmisenabled,the
displaywillshow
.Whentheaudiblealarmisenabled,thebeeperisallowedto
soundwheneverthemeasuredtemperaturegoesbeyondthehighorlowtemperaturelimit
values.PresstheSETbuttontoconfirmandtosteptothenextoption.
HIGHTemperatureAlarmLimitSetting
Use the
up and MAX‐MIN down buttons to increase or decrease the High Alarm
TemperatureLimit(in0.1stepsfor°Cor0.2stepsfor°F).Holdingtheupordownbuttonwill
rapidlyincreaseordecreasetheHIGHlimitvalue.AbeepwillsoundiftheHIGHtemperature
value reaches
the LOW temperature value while programming. Press the SET button to
confirmandtosteptothenextoption.
LOWTemperatureAlarmLimitSetting
Use the up and MAX‐MIN down buttons to increase or decrease the Low Alarm
Temperature Limit (in 0.1 steps for °C or 0.2 steps for °F). Holding down the up or down
button will rapidly increase or decrease the LOW limit value. A beep will sound if the LOW
temperature value
reaches the HIGH temperature value while programming. Press the SET
buttontoconfirmandtosteptothenextoption.
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