User manual

WQ500 Series-EU-EN V1.2 10/13
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KEYPADDESCRIPTION
LockthecurrentreadingontheLCD.
Pressandholdfor3secondstoenterorexitMAX/MINmode.
InMAX/MINmode,presstobrowseMAXandMINreadings.
Storethecurrentreading.
Pressandholdfor3secondstoenterRecallmode.
InRecallmode,usetheupanddownarrowstobrowserecords.
Press and hold simultaneously for 3 seconds to enter the advanced
settingmode(seeAdvancedSettingssection).
Selectameasurementfunction.
Pressandholdfor3secondstoswitchԨ/Ԭ,orswitchpH‐mVorORP‐
mV(inORPmode),orswitchmg/Ltoppm(inDOmode)
SwitchPowerONorOFF.
Pressandholdfor3secondstoentertheCalibrationmode

1. Increasestirrerspeed
2. Decreasestirrerspeed
3. Presstoturnonthestirrerorsetstir
mode(30,60,120minutesor
continuously);Press3sec.toturnoff
thestirrer
4. StirmodeLEDindicator:30,60,120
minutesorstircontinuously.