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infrared TV listening system
Instruction manual
mobile sound booster and
Set
900


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Contents
Contents
Safety instructions ................................................................. 2
Delivery includes ..................................................................... 4
Product overview .................................................................... 5
Putting the Set 900 into operation .................................... 6
Setting up the transmitter ............................................... 6
Connecting the transmitter to a sound source ............ 7
Connecting the transmitter to the mains ................... 10
Using the Set 900 ................................................................. 10
Switching the transmitter on/off ................................. 11
Switching the receiver on/off ........................................ 11
Searching for a sound source ......................................... 12
Adjusting the volume ...................................................... 14
Adjusting the balance .................................................... 14
Switching between mono and stereo operation ........ 14
Individually enhancing the speech intelligibility ....... 15
Switching the microphones on/off ............................... 16
Storing and charging the receiver ................................ 17
Charging a rechargeable battery
in the transmitter's charging compartment .............. 18
Folding up the receiver for transportation ................. 19
What if... ................................................................................. 20
...this indicator lights up? ............................................... 20
...you press this button? ................................................. 21
...you change the position of this control/switch? .... 21
...you hear acoustic signals or warning signals? ........ 22
Cleaning the Set 900 ............................................................ 23
Cleaning the transmitter and the receiver .................. 23
Cleaning the earpads ....................................................... 23
If a problem occurs ... ........................................................... 24
Additional technical information ...................................... 27
Fine adjusting the speech intelligibility ........................ 27
Changing the operating mode ........................................ 28
Accessories and spare parts ............................................... 30
Specifications ........................................................................ 31
Manufacturer declarations ................................................. 33
Index ........................................................................................ 34