Philips SHC2000 manual Specifications, Troubleshooting, Maintenance, English, System, Modulation

Models: SHC2000

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Specifications

SHC2000_booklet 12-01-2006 11:05 Pagina 9

Troubleshooting

Specifications

 

Maintenance

– If the headphone will not be used for a longer time,

 

 

please remove the batteries to prevent leakage and

 

 

corrosion.

 

 

– Only replace the batteries with R03/AAA NiMH

 

 

batteries (preferably Philips).

 

 

– 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.

 

English

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:

12Volt / 200 mA DC, centre positive

 

 

 

Power supply – headphone:

2 x 1.2 V R03 (AAA) batteries (NiMH)

 

 

 

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

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Philips SHC2000 Specifications, Troubleshooting, Maintenance, English, System, Modulation, Effective Transmission Range