9
English
Maintenance – If the headphone will not be used for a longer time,
please remove the batteries to prevent leakage and
corrosion.
– Only replace the batteries with LR03/AAA NiCd
batteries (preferably Philips).
– Do not leave the headphone near heat sources. Do
not expose to direct sunlight, excessive dust, moisture,
rain or any kind of mechanical shock.
– Do not use alcohol, thinner or petroleum-based
substances to clean the headphone or transmitter. Use a
slightly dampened chamois cloth to clean the housing.
– Do not use cleaning agents containing alcohol, spirits,
ammonia or abrasives as these may harm the housing.
Troubleshooting Specifications
Hearing Safety! Continuous use at a high volume may permanently
damage your hearing.
System: Infra Red (IR)
Modulation: Frequency Modulation (FM)
Effective Transmission Range: 7 meters
Input level: 300 mVrms (1 kHz sine wave)
Power supply – transmitter: 12Volt / 200 mA DC, centre positive
Power supply – headphone: 2 x 1.2 V LR03 (AAA) batteries (NiCd)
Carrier Frequency
(Headphone): 2.3 Mhz (L), 2.8 Mhz (R)
Signal/Noise ratio: > 60 dB (1 kHz sine wave ,A-weighted)
Distortion: < 1% THD
Channel separation: > 30 dB
XP SBC HC 070/00-1 29-08-2001 11:10 Pagina 9
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