16
REPLACING BATTERIES
Rechargeable batteries have a long service life. If it is however necessary to replace them,
proceed as described below:
Only use rechargeable batteries of the type specified under the “Technical specifications”
heading.
The rechargeable batteries supplied with the headphones must absolutely not be taken
apart, disposed of in an open fire or short circuited.
1. Carefully remove the cushion holder on the headphone.
2. You will find a battery compartment at both left / right headphone.
3. Install the AAA side-charged rechargeable batteries as provided.
4. Make sure to place with correct right + / - polarity.
5. Put the cushion holder back onto the headphone.
17
TECHNICAL SPECIFICATIONS
Transmission mode
:
UHF stereo
Carrier frequency
:
Ch 1 : 863,51 – 863,55 MHz
Ch 2 : 864,01 – 864,05 MHz
Ch 3 : 864,51 – 864,55 MHz
Operating voltage
:
Transmitter – 12.5V 150 mA
Receiver – 1.2V (two rechargeable batteries, LR03/AAA
size)
Frequency response
:
20 Hz – 15 KHz
Distortion
:
<2%
Signal-to-noise ratio
:
~7
0 dB
Channel separation
:
>
30 dB
Range
:
100 meters (open area)