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Maintenance – If the headphone will not be used for a
longer time, please remove the batteries to
prevent leakage and corrosion.
– 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.
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English
System: Infra Red (IR)
Modulation: Frequency Modulation (FM)
Effective Transmission Range: 7 meters max. range (depending on ambient
conditions and restricted to line of sight with
relation to the transmitter)
Input level: 300 mVrms (1 kHz sine wave)
Power supply – transmitter: 12 Volt / 200 mA DC, centre positive
Power supply – headphone: 2 x 1.5 V AAA batteries
Carrier Frequency
(Headphone): 2.3 MHz (L), 2.8 MHz (R)
Signal/Noise ratio: > 55 dB (1 kHz sine wave ,A-weighted)
Distortion: < 1% THD
Channel separation: > 30 dB
SHC1300_booklet 12-01-2006 11:08 Pagina 8