HumanTechnik Introson 2.4 Mode D'emploi page 15

Controls: Receiver
1 Adjustable Earbuds
2 Induction loop
3 Volume Control
4 LED Indicator of Power/Signal
5 MIC Button for Verbal Communication
Front:
Loop receiver
Back:
Underchin receiver
Underchin receiver
Loop receiver
6 Power On/Off Switch
7 Microphone
8 Sound Balance Control (Left/Middle/Right)
9 Battery
10 3,5 mm earphone jack (Type LR only)
English 15