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Troubleshooting specifications – Philips HC065 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

Input level:

300 mVrms (1 kHz sine wave)

Power supply – transmitter:

12Volt / 200 mA DC, centre positive

Power supply – headphone:

2x 1.5V AAA batteries

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 065/00-1 29-08-2001 11:16 Pagina 8