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Troubleshooting specifications – Philips SHC1300-61 User Manual

Page 8

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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.

8

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