EN-2 STARTER 300C Portable Conductivity Meter1.2 Safety PrecautionsCAUTION: Read all safety warnings before installing, making connections, or servicing thisequipment. Failure to comply with these warnings could result in personal injury and/or propertydamage. Retain all instructions for future reference. Use the equipment only in dry locations. Dry off any liquid spills immediately. The instrument is not watertight. When using chemicals and solvents, comply with the instructions of the chemical producerand the general lab safety rules. Use only approved accessories and peripherals. Operate the equipment only under ambient conditions specified in these instructions. Do not operate the equipment in hazardous or unstable environments. Service should only be performed by authorized personnel.1.3 Display and controlsDisplays1Endpoint stability icon ; Auto endpoint icon2 Measurement icon - ; measurement or calibration is running3 Calibration icon - ; calibration in progress4 Setup icon - ; instrument is in the setup mode5 Battery status icon shows the condition of the batteries - fully charged, half-charged or fullydischarged6 TDS factor in the setup mode7 Conductivity / TDS / Cell Constant8 Standard / Memory number / Error index9 Temperature during measurement or reference temperature in setup mode1 2 3 4 568 97