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TECHNICAL SPECIFICATIONS

 

 

Transmission mode   

: UHF stereo 

Carrier frequency 

 

: 900Mhz 

Operating voltage 

 

: Transmitter – 12.5 V 150 mA 

Receiver  – 2.4 V (two rechargeable batteries, 

LR03/AAA size) 

Frequency response   

: 30 Hz – 11 KHz 

Distortion 

 

   : 

1% 

Signal-to-noise ratio   

: 55 dB 

Channel separation   

: 30 dB) 

Range 

   : 

165 

feet 

max. 

 

 

 

This Device complies with Part 15 of the FCC Rules.  Operation of this device is subject 

to the following two conditions: (1) This device may not cause harmful interference, and 

(2) this device must accept any interference received, including interference that may 

cause undesired operation. 

 

WARNING: 

Modification of this device to receive cellular radio-telephone service signals is 

prohibited under FCC rules and Federal Law. 

 

Changes or modifications to this unit not expressly approved by the party responsible for 

compliance could void the user’s authority to operate the equipment 

 

 

 

Summary of Contents for HP1291

Page 1: ...HP1290 HP1291 HP1292S Cordless Stereo 900Mhz Headphone System User s Manual draft...

Page 2: ...tem or radio range 100 meters FEATURES 1 SRS Surround Effect 2 Automatic Phases Lock Loop PLL scanning system on headphone 3 Phase Lock Loop PLL transmission system on transmitter 4 Automatic battery...

Page 3: ...to the mains outlet and the audio cable to a signal source If the Auto On indicator light remains off switch on the audio source and increase its output level until the red indicator light comes on H...

Page 4: ...e headphones to find the corresponding channel To both protect the transmitter and save power the transmitter automatically switches off after approximately one minute if the signal that it receives f...

Page 5: ...al 24 hour charge is required to guarantee an acceptable service life for the rechargeable batteries Always ensure that the headphones are switched to the Off position while the batteries are charging...

Page 6: ...f in an open fire or short circuited Carefully remove the cloth padding around the left and right headphones Install the new batteries in their housings as illustrated Check for correct polarity Bring...

Page 7: ...e FCC Rules Operation of this device is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including inter...

Page 8: ...eo equipment may not be in playback mode Start playback on by the equipment Check the battery compartments if batteries are at right positions DISTORTION Ensure that the Stereo indicator is lit If not...

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