Contents│ I
1 Introduction .............................................................................1
1.1 Warranty....................................................................................1
1.2 Purpose.....................................................................................2
1.3 Intended use .............................................................................2
1.4 General safety information ........................................................3
2 AQUAPHON system................................................................4
2.1 General information regarding the system ................................4
2.2 Hearing protection.....................................................................4
2.3 System components..................................................................5
2.3.1 Overview ................................................................................5
2.3.2 A 50 receiver ..........................................................................6
2.3.2.1 Setup...................................................................................6
2.3.2.2 Carrying options..................................................................7
2.3.2.3 Activation key operating modes ..........................................8
2.3.2.4 Noise level display ..............................................................8
2.3.2.5 Power supply.....................................................................10
2.3.3 Microphones.........................................................................10
3 Using the system ..................................................................13
3.1 Preparing the system ..............................................................13
3.2 Switching on the system .........................................................13
3.2.1 A 50 receiver only.................................................................13
3.2.2 System with F8 wireless headphones..................................13
3.2.3 System with K3 headphones................................................14
3.3 Switchingothesystem..........................................................15
3.4 Starting and ending a measurement (listening to noises) .......15
3.5 Adjusting the volume...............................................................16
3.6 Adjustingthelters..................................................................17
4 Settings ..................................................................................19
4.1 Overview .................................................................................19
4.2 Backlight (LIGHT)....................................................................20
4.3 Operating mode (ACTIVATION) ..............................................21
4.4 Display rotation (DISPLAY) .....................................................22
4.5 Hearing protection (MUTE) .....................................................23
4.6 Hearing protection threshold (PROTECT) ..............................24
4.7 Factory settings (RESET) ......................................................26
