4 Maintenance ............................................................................................................................. 27
4.1 General maintenance procedures ........................................................................................ 28
4.2 Repair ................................................................................................................................... 29
4.3 Warranty ............................................................................................................................... 29
4.4 Calibration properties ........................................................................................................... 30
5 Technical specifications ......................................................................................................... 31
5.1 Reference equivalent threshold values for transducers & Maximum hearing level
settings ................................................................................................................................. 34
5.2 Pin Assignments ................................................................................................................... 40
5.3 Electromagnetic Compatibility (EMC) .................................................................................. 41