Operating The Fivego™ Do Meter - Mettler Toledo FiveGo Mode D'emploi

4 Operating the FiveGo™ DO meter
4.1 The display
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4.2 Key controls
Key
ON/OFF or EXIT
CAL
READ/AUTO END­
POINT
DO meter FG4
Electrode condition icon
Slope: 80­125%
Electrode is in good condition
Calibration icon - calibration in progress
Measurement icon - measurement or calibration is running
Setup icon - meter is in setup mode
Battery status icon ­ shows the condition of the batteries: fully charged, half­charged or ful-
ly dis charged
mg/L, ppm or % dissolved oxygen reading or calibration; mbar, hpa or mmHg pressure en-
try; salinity entry
Auto, Manual temperature compensation
Endpoint stability , Auto endpoint
Temperature during measurement or offset during calibration process
Calibration point Cal, Memory number MR, Error index Err
Press and release
Switch meter on
Back to measurement screen
Start calibration
Start or endpoint measurement
Confirm setting, store entered value
Slope: 70­79%
Electrode needs cleaning
Press and hold for 3 seconds
Switch meter off
Review the last calibration data
Turn auto endpoint on or off
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Operating the FiveGo™ DO meter
Slope: 60­69%
Electrode is faulty
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