3.4 Monitoring of Test ResourcesIn the framework of quality assurance the measuring-related properties of the displayunit and, if applicable, the testing weight, must be checked regularly. The responsibleuser must define a suitable interval as well as type and scope of this test. Informationis available on KERN’s home page (www.kern-sohn.com with regard to themonitoring of display units’ test substances and the test weights required for this. InKERN’s accredited DKD calibration laboratory test weights and display units may becalibrated (return to the national standard) fast and at moderate cost.4 Basic Safety Precautions4.1 Pay attention to the instructions in the Operation ManualCarefully read this operation manual before setup and commissioning, even if youare already familiar with KERN balances.4.2 Personnel trainingThe appliance may only be operated and maintained by trained personnel.5 Transport and storage5.1 Testing upon acceptanceWhen receiving the appliance, please check packaging immediately, and theappliance itself when unpacking for possible visible damage.5.2 PackagingKeep all parts of the original packaging in case you need to return the appliance.Only use original packaging for returning.Before sending, disconnect all connected cables and loose/movable parts.Attach possibly existing transport safeguards. Secure all parts, e.g. weighing plate,power unit etc., to prevent slipping and damage.KLB-TM-BA-e-0811 9