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TABLE OF CONTENTS
1. PRELIMINARY EXAMINATION ...................................................................................................................................4
2. INSTRUMENT OVERVIEW ..........................................................................................................................................5
3. SPECIFICATIONS .............................................................................................................................................................6
4. FUNCTIONAL & DISPLAY DESCRIPTION ............................................................................................................8
5. MA845 PROBE DESCRIPTION .................................................................................................................................11
6. GENERAL OPERATIONS .............................................................................................................................................12
6.1. POWER CONNECTION & BATTERY MANAGEMENT ..........................................................................12
6.2. PROBE PREPARATION .....................................................................................................................................12
6.3. PROBE MAINTENANCE ...................................................................................................................................14
7. SETUP ..................................................................................................................................................................................15
7.1. SETUP OPTIONS ...................................................................................................................................................15
8. ALTITUDE & SALINITY COMPENSATION ..........................................................................................................21
9. CALIBRATION .................................................................................................................................................................22
10. MEASUREMENT ..........................................................................................................................................................25
11. LOGGING .......................................................................................................................................................................... 27
11.1. TYPES OF LOGGING ......................................................................................................................................... 27
11.2. DATA MANAGEMENT ......................................................................................................................................29
12. GLP ....................................................................................................................................................................................36
12.1. DO INFORMATION ............................................................................................................................................36
13. TROUBLESHOOTING ................................................................................................................................................. 37
14. ACCESSORIES..............................................................................................................................................................37
CERTIFICATION ..................................................................................................................................................................38
RECOMMENDATION ........................................................................................................................................................38
WARRANTY ..........................................................................................................................................................................38
