Operators Manual Owner's manual

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1
Atmospheric pressure + water pressure (as measured by a non-vented
pressure sensor)
2 Atmospheric pressure (as measured by the BaroTROLL)
3
Water pressure (as measured by a vented pressure sensor, or by
subtracting BaroTROLL data from non-vented pressure sensor data)
4 BaroTROLL Instrument (Do not submerge.)
5 Non-vented Level TROLL Instrument
To merge atmospheric pressure data with water level data, See
page 57.