Operating controls
A
B
B
C
Receiver (see inside cover)
Volume control
Compartment for BA 300 rechargeable battery
Balance control
Transmitter (see inside cover)
3.5mm stereo jack socket labeled AUDIO (marked blue) for connection of sound source
DC socket labeled 12 V (marked yellow) for connection of mains unit
“Speech intelligibility” button 
Charging compartment for receiver
Charging compartment for spare rechargeable battery
LED indications (see inside cover)
Charging control LED for spare rechargeable battery 
Charging control LED for receiver rechargeable battery 
Operation indication 
Connection possibilities (see inside cover)
Connecting cable for headphone socket
Adapter to 1/4“ (6.3 mm) jack socket
Adapter to RCA socket
SCART adapter (optional)
Mains unit
4
