Hach Surveyor 4a User Manual page 4

Table of Contents
Section 5 Maintenance & Calibration .........................................................................................................................25
5.1 Cleaning the Instrument...........................................................................................................................................25
5.2 Recharging the Internal Battery ...............................................................................................................................25
5.3 Battery Replacement ...............................................................................................................................................26
5.3.1 Internal Battery Replacement.........................................................................................................................26
5.3.2 Lithium Battery Replacement .........................................................................................................................27
5.4 Calibration ................................................................................................................................................................28
Section 6 Troubleshooting ..........................................................................................................................................29
6.1 Power Cables and Connections ...............................................................................................................................29
6.2 Internal Components................................................................................................................................................29
6.3 External Components ..............................................................................................................................................30
6.4 Communications ......................................................................................................................................................30
6.5 Surveyor 4a Software Symbols ................................................................................................................................30
6.6 Error Messages........................................................................................................................................................31
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