Service And Repair - HBK Sound Calibrator Type 4231 Bedienungsanleitung

Chapter 4

Service and Repair

The calibrator is designed and constructed to provide you with many
years of reliable operation.
However, if a fault occurs which impairs its correct function, then
remove the batteries to prevent the risk of further damage.
For repair, contact your local HBK service representative.
Sound Calibrator Type 4231 19
User Manual