Philips HC 130 Manual Del Usuario página 8

XP SBC HC 130/00-1 15-03-2002 11:48
Troubleshooting
Maintenance
Hearing Safety! Continuous use at a high volume may permanently
damage your hearing.
System:
Modulation:
Effective Transmission Range:
Input level:
Power supply – transmitter:
Power supply – headphone:
Carrier Frequency
(Headphone):
Signal/Noise ratio:
Distortion:
Channel separation:
*) All specifications are subject to change without prior notice.
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Pagina 8
Specifications*
– 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.
Infra Red (IR)
Frequency Modulation (FM)
7 meters max. range (depending on ambient conditions
and restricted to line of sight with relation to the
transmitter)
300 mVrms (1 kHz sine wave)
12 Volt / 200 mA DC, centre positive
2 x 1.5 V AAA batteries
2.3 MHz (L), 2.8 MHz (R)
> 55 dB (1 kHz sine wave , A-weighted)
< 1% THD
> 30 dB