Page 3Kore 7th Manual / kHLab Edition8.4. Checking Water Sample (Channel #1) Accuracy..................................................... 598.5. Starting the Channel #3 Calibration Process (Waste Water) .................................. 598.6. Checking Waste Water (Channel #3) Accuracy .......................................................618.7. Starting the Channel #2 Calibration Process (Reagent) ..........................................618.8. Checking Reagent Solution (Channel #2) Accuracy ............................................... 629. pH Probe Setup, Maintenance and Calibration ............................... 639.1. Initial pH Probe Calibration Procedure - First Use After Purchase ......................... 649.2. Calibration Procedure With pH 4.0 Solution ............................................................ 659.3. Calibration Procedure With pH 7.0 Solution ............................................................. 6510. kHLab Magnetic Stirrer Preparation ................................................ 6611. Reagent Solution Preparation ..........................................................6612. Device Working Modes ..................................................................... 6712.1. Monitoring Mode ........................................................................................................ 6712.2. Control Mode .............................................................................................................. 6713. Alkalinity Test Intervals ....................................................................6814. Device Working Stages .....................................................................68a) Initial Flush.........................................................................................................68b) Emptying flask (Cylinder) .................................................................................68c) Microflush..........................................................................................................68d) EMV Stabilize ....................................................................................................68e) Preparing for Standby ......................................................................................6815. Carbonate Solution Preparation ......................................................6916. Parallel Calibration............................................................................6917. Kore 7th Software and Firmware Upgrade ...................................... 7018. Troubleshooting .................................................................................77