64.4 Conductivity calibration ............................................................................... 364.4.1 Procedure ............................................................................................ 364.5 Atmospheric pressure .................................................................................. 384.5.1 Procedure ............................................................................................... 384.6 ORP calibration ......................................................................................... 384.6.1 Procedure ............................................................................................ 384.7 Temperature calibration .............................................................................. 394.7.1 Procedure ............................................................................................ 39CHAPTER 5 - LOGGING MODE5.1 Logging .................................................................................................... 405.1.1 Logging options ................................................................................... 405.2 Log data setup ........................................................................................... 415.2.1 Lots .................................................................................................... 415.2.2 Delete all lots ....................................................................................... 435.2.3 Remarks .............................................................................................. 435.2.4 Delete all remarks ................................................................................. 445.2.5 Tags .................................................................................................... 44CHAPTER 6 - GLP6.1 Probe information ....................................................................................... 466.2 pH ........................................................................................................... 476.3 Dissolved oxygen ........................................................................................ 476.4 Conductivity .............................................................................................. 486.5 Atmospheric pressure .................................................................................. 486.6 ORP ......................................................................................................... 496.7 Temperature ............................................................................................... 49CHAPTER 7 - PC CONNECTION7.1 Software installation .................................................................................... 507.2 PC connection ........................................................................................... 50CHAPTER 8 - MESSAGES & ERRORS ................................................................. 52