1. Testapparaten ........................................................................................................................ 24
Zelfcontrole-functie ............................................................................................................... 24
Oortelefoon met microfoon ....................................................................................................25
1. Technische kenmerken ........................................................................................................... 28
2. Symbolen .............................................................................................................................. 29
4. Fabrieksverklaring ................................................................................................................. 30
4
................................................................................ 24
................................................................................................................. 28