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Table of Contents
Summary of Contents for PreCise HP4590
- Page 1 HP4590 900MHz Wireless Headphone System User's Manual...
- Page 2 INTRODUCTION This 900Mhz cordless and corded stereo headphones takes advantage of the very latest advances in wireless transmission technology so that you can listen to stereo sound from your audio source up to 50 meters. All you have to do is connect the transmitter to any audio source: DVD player, CD player, MP3, TV set, VCR, Hi-Fi system or radio.
- Page 3 Part List RF receiver headphones RF transmitter 8V 200mA mains adapter Rechargeable 1.2V Ni-MH batteries (LR03/AAA size) Jack plug adapter (3.5 mm/6.3 mm diameter) RCA socket audio adapter...
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Page 4: Component Identification
COMPONENT IDENTIFICATION Charge indicator light (green) Power indicator light (red) Charge contacts DC IN connector Power On/Off switch Channel selector (CHANNEL 3 2 1) Audio connection cable with 3.5 mm audio plug AUTO SCAN button / Signal indicator light (green) Volume control knob (VOL) Power indicator light (red) Charge contacts... -
Page 5: Installation
INSTALLATION TRANSMITTER Connect the mains adapter provided to an electrical outlet. Connect the mains adapter cable to the DC IN input connector located on the transmitter rear panel. An audio cable is provided from the transmitter rear panel that can be connected to the headphone output jack of TV set, Hi-Fi system, VCR, MP3 or radio-cassette player. -
Page 6: Operation
OPERATION Switch on the audio source (TV set or audio component) that the transmitter is connected to, and the red Power indicator will light up Place the receiver headphones On/Off switch in the On position, and the red Power indicator will light up The green Signal indicator will light up once signal link between transmitter and receiver headphones is established Place the receiver headphones on your head and adjust the volume to obtain... - Page 7 transmitter, and ensure the charge contacts touch the transmitter's charge prongs and the green Charging Indicator is ON. 3. The charge process starts automatically and the green Charging Indicator light comes ON. Be sure to charge new batteries before using them for the first time.
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Page 8: Replacing Batteries
REPLACING BATTERIES Rechargeable batteries have a long service life. If it is however necessary to replace them, proceed as described below: Carefully pull out the right-side (R) earpad holder from the receiver headphones. Install the 2 new rechargeable batteries in their housings as illustrated. -
Page 9: Technical Specifications
TECHNICAL SPECIFICATIONS Transmission mode : UHF stereo Carrier frequency : 900Mhz Operating voltage : Transmitter : 8V 200mA Receiver : 2.4V (two rechargeable batteries, LR03/AAA size) Frequency response : 30 Hz – 11 KHz Distortion : 1% Signal-to-noise ratio : 54 dB Channel separation : 30 dB Range... -
Page 10: Troubleshooting
TROUBLESHOOTING NO SOUND Ensure that the mains adapter is pushed fully into the power outlet and that its cable is properly connected to the DC IN 8V connector on the transmitter. Ensure that the receiver headphones On/Off switch is switched to the The headphones battery charge level may be too low. -
Page 11: Fcc Information
FCC INFORMATION This device complies with Part 15 of the FCC Rules. Operation 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.
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