HP4590 900MHz Wireless Headphone System User's Manual
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. FEATURES 1. Auto Scanning system on headphones 2. Phase Lock Loop (PLL) transmission system on transmitter 3. Automatic battery recharging 4.
Part List 1 RF receiver headphones 2 RF transmitter 3 8V 200mA mains adapter 4 Rechargeable 1.2V Ni-MH batteries (LR03/AAA size) 5 Jack plug adapter (3.5 mm/6.
COMPONENT IDENTIFICATION 1 Charge indicator light (green) 2 Power indicator light (red) 3 Charge contacts 4 DC IN connector 5 Power On/Off switch 6 Channel selector (CHANNEL 3 2 1) 7 Audio connection cable with 3.
INSTALLATION TRANSMITTER 1. Connect the mains adapter provided to an electrical outlet. 2. Connect the mains adapter cable to the DC IN input connector located on the transmitter rear panel. 3. 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. The audio cable can also be connected to the audio source with output jack (Left and Right) by means of the RCA socket adaptor provided.
OPERATION 1. Switch on the audio source (TV set or audio component) that the transmitter is connected to, and the red Power indicator will light up 2. Place the receiver headphones On/Off switch in the On position, and the red Power indicator will light up 3. The green Signal indicator will light up once signal link between transmitter and receiver headphones is established 4. Place the receiver headphones on your head and adjust the volume to obtain the desired sound level. 5.
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. The green indicator light will be ON during the charging process, and will turn OFF when batteries are fully charged. WARNING: Never attempt to recharge conventional dry cells.
REPLACING BATTERIES Rechargeable batteries have a long service life. If it is however necessary to replace them, proceed as described below: 1. Carefully pull out the right-side (R) earpad holder from the receiver headphones. illustrated. 2. Install the 2 new rechargeable batteries in their housings as Check the correct +/- polarity. Put back the earpad holder into the receiver headphones and make sure to align the plastic holding slots on the receiver headphones.
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 : 50 meters (open area) This device complies with Part 15 of the FCC Rules.
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 On. - The headphones battery charge level may be too low. Recharge the batteries or replace them with fully charged batteries.
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. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.