User's Manual

ManualsBrandsTrans Electric ManualsElectronics2.4GHz USB Connection Digital Audio Link

Thank you for purchasing your 2.4 GHz USB

Connection Digital Audio Link from RadioShack. From

now on you can listen to your music library from your

computer, iPod, MP3, or CD player through a stereo

system or other audio source in your house.

15-2574

2.4 GHz USB Connection Digital Audio Link

• Keep your ditial audio link dry and clean. If it gets wet or

dirty, wipe it dry or clean immediately.

• Wipe your digital audio link with a damp cloth occasionally

to keep it looking new.

• Use and store your digital audio link in room temperature

environments only.

• Modifying or tampering the 2.4 GHz digital audio link’s

internal components can cause malfunction and might

invalidate its warranty. If your 2.4 GHz audio link is not

performing as it should, take it to your local RadioShack

store for assistance.

care and service

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.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause

harmful interference to radio communications.

However, there is no guarantee that interference will not occur

in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the

following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

• Consult your local RadioShack store or an experienced radio/TV

technician for help.

If you cannot eliminate the interference, the FCC requires that you

stop using your product. Changes or modications not expressly

approved by RadioShack may cause interference and void the

user’s authority to operate the equipment.

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.

rf emissions information

Product

2.4 GHz USB Connection

Digital Audio Link

Model 15-2574

Responsible Party

RadioShack

300 RadioShack Circle

Fort Worth,TX 76102

Phone 817-415-3200

Frequency Range ...................................................... 2.4 ~ 2.4835 GHz

Channel Frequency ........................................ 2410, 2419 ~ 2473 MHz

Channel Spacing ......................................................................... 9 MHz

Frequency Stability ................................................................... ±1 MHz

Transmission Range .......................... 45 ft (15 m, in the home) (Max.)............... 45 ft (15 m, in the home) (Max.)......... 45 ft (15 m, in the home) (Max.).... 45 ft (15 m, in the home) (Max.)... 45 ft (15 m, in the home) (Max.)45 ft (15 m, in the home) (Max.) (15 m, in the home) (Max.)15 m, in the home) (Max.), in the home) (Max.)

......................................................... 100 ft (30.5 m, line of sight) (Max.) 100 ft (30.5 m, line of sight) (Max.)100 ft (30.5 m, line of sight) (Max.)(30.5 m, line of sight) (Max.)30.5 m, line of sight) (Max.), line of sight) (Max.)

Operating Temperature ............................. 3232°F to 104°F (0 (00°C to 40°C))

Power Supply ..........................................120VAC/60Hz, 9V DC/200mA

Response .................................................................... 20 ~ 20kHz±3dB

S/N Ratio ............................................................................. 40dB (Min.)

Transmitter

Modulation Type ......................................................... FSK Modulation

Power .............................................................10 dBm for FCC (Typical).........................................................10 dBm for FCC (Typical)..........................................10 dBm for FCC (Typical)

Input Impedance ................................................. >10K Ohm (3.5 mm)

Input Level ....................................................................... 2 Vms (Max.)

Dimensions (H x W x D) ....................................... 3⅜ x 3⅜ x 1¼ Inch

.................................................................................... (86 x86 x 32 mm)

Weight ...............................................................................2.47 oz (70 g)...............................................................................2.47 oz (70 g)

Receiver

Sensitivity ..................................................................... −85 dBm (Min.)

Output Impedance .............................................. >10K Ohm (3.5 mm)

Output Level ...................................................................... 2 Vms±10%

Dimensions (H x W x D) ....................................... 3⅜ x 3⅜ x 1¼ Inch

.................................................................................... (86 x86 x 32 mm)

Weight ...............................................................................2.29 oz (65 g)

Specications are typical; individual units might vary. Specications

are subject to change and improvement without notice. Actual

product may vary from the images found in this document.

specications

This product is warranted by RadioShack against manufacturing defects in material

and workmanship under normal use for ninety (90) days from the date of purchase from

RadioShack company-owned stores and authorized RadioShack franchisees

and dealers. For complete warranty details and exclusions, check with your local

RadioShack store.

RadioShack Customer Relations

300 RadioShack Circle, Fort Worth, TX 76102 04/04

limited 90-day warranty

trademarks used by RadioShack Corporation.

15-2574

06A06

Printed in China

Please read this user’s guide before

installing, setting up, and using your new product.

www.radioshack.com

1. Turn on the audio source and stereo system.Turn on the audio source and stereo system.

The transmitter and receiver link automatically,

and the power indicator of the receiver lights.

2. The transmitter has 8 channels. If you cannotThe transmitter has 8 channels. If you cannot

hear clear sound or the receiver’s power

indicator does not light, press CH repeatedly

to select a channel with clear sound.

3. Adjust the audio source’s volume to the

desired level.

NOTES

Transmitter Receiver

USB Cable AC Adapter x 2

3.5mm Stereo Y-Type Patch Cable

3.5mm Stereo Audio Cable

User’s Guide

what’s included

Transmitter

Power indicator

Receiver

Channel

selection button

• To connect to a PC, open the Sound and Multimedia

control panel and select USB Audio Device from the

Audio tab. To connect to a Mac, select USB Speakers

as your audio output.

• When you change the music source from Line to

USB and there is no sound, try restarting your music

application (such as Windows Media Player).

• When you unplug the audio cable or USB cable and plug

it again, sound may be lost for 3-5 seconds.

• Connect the AC adapter to the transmitter only after

connecting to an audio source.

• Use only an adapter that supplies 9V DC and delivers at

least 200 mA. Its center tip must be set to positive.

• Unplug the AC adapter from the AC outlet before

unplugging it from the transmitter or receiver.

Connect the 3.5mm stereo

Y-type cable or 3.5mm stereo

audio cable, then connect

the other end to your

stereo’s audio input jacks

step 3: using your audio link

• Windows 98SE/ME/2000/XP

• Mac OS 9.2.1/Mac OS 10.2

• USB Port, USB 1.1 Compliant

system requirements

Windows is a registered trademark of Microsoft Corporation. Mac is a

trademark of Apple Computer Inc., registered in the U.S. and other countries.

Slide to Line for

connecting to a

stereo device,

or to USB for

connecting to a

computer

step 2: setting your receiver

step 1: setting your transmitter

To achieve better performance and greater reception range, keep the receiver and transmitter away from

wireless LAN access points, microwave ovens, and wireless networks or phones that run on 2.4GHz frequency.

3 options for connecting the transmitter:

• Connect to computer

Use the USB or 3.5mm stereo audio

cable.

• Connect to iPod, MP3 or CD player

Use the 3.5mm stereo audio

cable.

• Connect to stereo system

Use the 3.5mm stereo Y-Type patch

cable.

Connect the 9V AC adapter, then plug

the other end into a standard AC outlet.

The power indicator lights.

For USB connection, the AC adapter to

the transmitter is not needed

Connect the 9V AC

adapter, then plug

the other end into a

standard AC outlet.

15-2574 71206.indd 1 07/14/2006 18:52:25

To comply with the FCC RF exposure compliance requirements, this 

device and its antenna must not be co-located or operating to 

conjunction with any other antenna or transmitter.