41 About this documentVEGAPULS 69 • Modbus and Levelmaster protocol47252-EN-1806271 About this document1.1 FunctionThis operating instructions manual provides all the informationyou need for mounting, connection and setup as well as importantinstructions for maintenance, fault rectification, the exchange of partsand the safety of the user. Please read this information before puttingthe instrument into operation and keep this manual accessible in theimmediate vicinity of the device.1.2 Target groupThis operating instructions manual is directed to trained personnel.The contents of this manual must be made available to the qualifiedpersonnel and implemented.1.3 Symbols usedDocument IDThis symbol on the front page of this instruction refers to the Docu-ment ID. By entering the Document ID on www.vega.com you willreach the document download.Information, tip, noteThis symbol indicates helpful additional information.Caution: If this warning is ignored, faults or malfunctions can result.Warning: If this warning is ignored, injury to persons and/or seriousdamage to the instrument can result.Danger: If this warning is ignored, serious injury to persons and/ordestruction of the instrument can result.Ex applicationsThis symbol indicates special instructions for Ex applications.• ListThe dot set in front indicates a list with no implied sequence.→ ActionThis arrow indicates a single action.1 Sequence of actionsNumbers set in front indicate successive steps in a procedure.Battery disposalThis symbol indicates special information about the disposal of bat-teries and accumulators.