Philips SBC HC130 manual Specifications, Troubleshooting, English, Maintenance, System, Modulation

XP SBC HC 130/00-1 15-03-2002 11:48 Pagina 8

English

Troubleshooting		Specifications*
	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.

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 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

*) All specifications are subject to change without prior notice.

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