DH900 2.
INTRODUCTION This 2.4GHz DIGITAL WIRELESS CHIN HEADSET uses latest digital wireless technology, and enables to improve the hearing aid capability that may required by the elderly people to enjoy crystal sound stereo music and TV sound anywhere inside your home. Simply connect the transmitter to a desired audio source: DVD player, CD player, TV set, Hi-Fi system, or iPod. Without complicated wiring and installation, the system enables you to enjoy thrilling, lifelike sound in minutes. FEATURES 1. 2.
COMPONENT PART LIST 1. Headset Receiver 2. Transmitter 3. Polymer Lithium Rechargeable Battery x 2 pieces 4. AC/DC Adapter 5. RCA Adapter Cable 6. Audio Cable (both ends with 3.5 mm stereo plug) 7. 6.3 mm to 3.5 mm Adapter Plug 8.
Function Identification: Headset Receiver 1. Right Adjustable Earbud 2. Left Adjustable Earbud 3. Volume Control 4. LED Indicator of Power/Signal 5. Mute Button for Verbal Communications 6. Power On/Off Switch 7. Microphone 8. Sound Balance Control (Left/Middle/Right) 9.
Function Identification: Transmitter 1. Charging Cradle 2. LED Indicator of Tone Clarity 3. Tone Clarity Button 4. LED Indicator of Power/Signal 5. LED Charging Indicator for Main Battery (attached to Headset Receiver) 6. LED Charging Indicator for Spare Battery 7. Spare Charging Slot 8. DC In 9. Power ON/OFF 10. Mono/Stereo Switch 11. 3.
INSTALLATION TRANSMITTER 1. Connect the Power Adapter to the DC IN input Socket located on the transmitter rear panel. 2. Connect the Power Adapter provided to an Electrical Outlet. 3. RCA Adapter Cable, Audio Cable, 6.3 mm to 3.5 mm Adapter Plug, External Microphone and are provided for various type of connection to your Audio Source (e.g. TV set, Hi-Fi system, MP3 or iPod). 4. Behind the Transmittter, select the Power ON/OFF Switch to ON position.
HEADSET RECEIVER 1. Insert a battery into the Headset Receiver with correct Polarity. OPERATION 1. Switch on the Audio Source (TV set or audio component) that the Transmitter is connected to. The Green LED Indicator will glow constantly. 2. Select the On/Off Switch in the Headset Receiver to ON position, then the Green Signal LED Indicator glows. 3. Adjust the Volume for desired sound level, then place it on the head. 4.
CHARGING THE BATTERIES 1. Select the On/Off Switch in the Headset Receiver to OFF position. 2. Place the Headphone Receiver on the Transmitter, make sure the Charge Contact touches the Charge Pins on the Transmitter. 3. The Charging process starts automatically. LED Indicator of Main Battery then glows in Red constantly. It will glows in Green about 2 hours after the battery is fully charged. 4. A spare battery is provided for sustained enjoyment. Simply insert it into the Transmitter for Charging.
TONE CLARITY When necessary, Tone Clarity to Headset Receiver can be adjusted on the Transmitter, from orange LED of 1, 2 and 3. Simply press the Tone Clarity Button to select and match to your level of hearing aid capability. The Tone Speech Intelligibility can be enhanced individually on the transmitter with the following settings.
TECHNICAL SPECIFICATIONS Transmission mode : Digital Hopping System Carrier frequency : 2.4GHz ISM BAND l Operating voltage : Transmitter : 5V 550mA Receiver : 3.7 V, 350 mA Lithium Polymer Battery Frequency response : 30 Hz – 20 KHz Distortion : <0.5% Signal-to-noise ratio : >75 dB Range : Up to 25 meters (open area) 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 connector on the transmitter.
