QWBAUR1000FM WIRELESS TRANSMITTER

AURIUS Manual PC/Mac Thank you for purchasing the Aurius, the only USB to wireless FM transmitter that works on any frequency. Now you can play your digital audio on any FM radio around your house. Aurius QuickStart (Mac) Insert the included Aurius CD-Rom into your Mac. Launch and run the Aurius Installer. All necessary files are now installed onto your computer. Connect and sync your Aurius by plugging it into an available USB port. This will provide power and download firmware to the Aurius. The LED on the Aurius will confirm that it’s plugged in and ready to broadcast your music. To select the frequency (and stereo and mute operation), start the Aurius application and follow the instructions that continue inside this booklet. Aurius QuickStart (PC) Insert the included Aurius CD-Rom into your Mac. Launch and run the Aurius Installer. All necessary files are now installed onto your computer. Connect and sync your Aurius by plugging it into an available USB port. This will provide power and download firmware to the Aurius. The LED on the Aurius will confirm that it’s plugged in and ready to broadcast your music. To select the frequency (and stereo and mute operation), start the Aurius application and follow the instructions that continue inside this booklet. The Aurius can broadcast to any spot on any FM Stereo. Scan your FM dial to find the area that has the least amount of radio stations, then follow these simple steps to set your Aurius to broadcast to a frequency in that area. CHOSING A NEW BROADCAST FREQUENCY Use the Aurius App to adjust the operating frequency (via the slider); as you adjust the slider, the numeric readout will change showing the transmit frequency. To transmit in stereo, click the stereo checkbox. The temporarily mute the transmitter, click the mute checkbox NOTES & TIPS: You can adjust the frequency as many times as you want FCC STATEMENT 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. Warning: Changes or modifications not approved by the party responsible for FCC compliance could void the user’s permission to operate this equipment. AURIUS TROUBLESHOOTING The LED won’t come on or wake up from sleep. Reconnect the Aurius, pushing down firmly to make sure it’s solidly connected to the computer. When the LED lights, the Aurius is connected correctly. I tried to change frequencies, but it didn’t work. Check the Aurius’ volume. The level needs to be between 40% - 80% for the frequency change to work correctly. Check and adjust the volume setting before choosing a new frequency. Also, be sure that you click the play button twice to change frequencies, then once more when the LED begins to blink rapidly. The LED will pulse three times to confirm the frequency change. I’ve done everything correctly, but the sound isn’t very good. The Aurius works best when turned to the clearest frequency possible. Make sure the frequency you choose doesn’t have a strong radio station close to it. If it does, try to find a clearer frequency range. WARRANTY STATEMENT Engineered Audio, LLC (EA) warrants to the original purchaser as follows: All EA products, under normal use, will be free from defects in material and workmanship. The term of warranty is 12 months to the end user. EA will, at its sole option, repair or replace a product that is found to be defective. This warrantyshall be invalid if, in the sole opinion of EA, a product failure is the result of misuse, abuse, or modification. AURIUS TECHNICAL SPECIFICATIONS • Dimensions: 3.0 x 2.0 x 1.0 • Built-in Antenna • Power requirement: USB connection • Modulation: FM Stereo • Frequencies: 88.1 – 107.9 MHz • High stability crystal oscillator, phase-lock loop control • Stereo separation: greater than 45 dB • Signal distortion: less than 0.5% • Frequency response: 50Hz 15kHz • Operating range: ~30 feet (limited by FCC regulations) • Transmit frequencies software selectable • FCC compliant (FCC QWB-AUR1000)

Engineered Audio, LLC 15924 Sandalwood Creek Drive Wildwood, Missouri 63011 636-273-6029 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: QWB-AUR1000 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Schematics Block Diagram Operational description The above materials contain proprietary information and trade secrets not customarily released to the public. The public disclosure of these materials could be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Marshall Strouse June 11 th , 2003

Model Number: Aurius Serial Number: EA-xxxxx FCC ID: QWB-AUR1000 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.

APPLICANT: ENGINEERED AUDIO, LLC. FCC ID: QWB-AUR1000 REPORT #: T:\E\ENG_AUDIO\848AUT3\848AUT3TestReport.doc TABLE OF CONTENTS LIST TABLE OF CONTENTS APPLICANT: ENGINEERED AUDIO, LLC FCC ID: QWB-AUR1000 TEST REPORT CONTAINING: PAGE 1-4............TEST EQUIPMENT LIST PAGE 5..............TEST PROCEDURE PAGE 6..............RADIATION INTERFERENCE TEST DATA PAGE 7..............OCCUPIED BANDWIDTH DATA PAGE 8-9............OCCUPIED BANDWIDTH PLOTS PAGE 10.............POWER LINE CONDUCTED EMISSIONS PAGE 11-12..........POWER LINE CONDUCTED PLOTS EXHIBITS CONTAINING: EXHIBIT 1...........CONFIDENTIALITY LETTER EXHIBIT 2...........BLOCK DIAGRAM EXHIBIT 3...........SCHEMATIC EXHIBIT 4...........INSTRUCTION MANUAL EXHIBIT 5...........LABEL SAMPLE EXHIBIT 6...........LABEL LOCATION EXHIBIT 7...........EXTERNAL PHOTOGRAPHS EXHIBIT 8...........INTERNAL PHOTOGRAPHS EXHIBIT 9...........CIRCUIT DESCRIPTION EXHIBIT 10..........TEST SET UP PHOTOGRAPH APPLICANT: ENGINEERED AUDIO, LLC. FCC ID: QWB-AUR1000 REPORT #: T:\E\ENG_AUDIO\848AUT3\848AUT3TestReport.doc Page 1 of 12 EMC Equipment List DEVICE MFGR MODEL SERNO CAL/CHAR DATE DUE DATE or STATUS X 3-Meter OATS TEI N/A N/A Listed 1/13/03 1/13/06 3/10-Meter OATS TEI N/A N/A Listed 3/26/01 3/26/04 Receiver, Beige Tower Spectrum Analyzer HP 8566B Opt 462 3138A07786 3144A20661 CAL 8/31/01 8/31/03 RF Preselector HP 85685A 3221A01400 CAL 8/31/01 8/31/03 Quasi-Peak Adapter HP 85650A 3303A01690 CAL 8/31/01 8/31/03 X Receiver, Blue Tower X Spectrum Analyzer HP 8568B 2928A04729 2848A18049 CAL 4/15/03 4/15/05 X RF Preselector HP 85685A 2926A00983 CAL 4/15/03 4/15/05 X Quasi-Peak Adapter HP 85650A 2811A01279 CAL 4/15/03 4/15/05 Receiver, Silver/Grey Tower Spectrum Analyzer HP 8566B Opt 462 3552A22064 3638A08608 CAL 10/14/02 10/14/04 RF Preselector HP 85685A 2620A00294 CAL 10/14/02 10/14/04 Quasi-Peak Adapter HP 85650A 3303A01844 CAL 10/14/02 10/14/04 Preamplifier HP 8449B 3008A01075 CHAR 1/28/02 1/28/04 X Biconnical Antenna Electro-Metrics BIA-25 1171 CAL 4/26/01 4/26/03 Biconnical Antenna Eaton 94455-1 1096 CAL 10/1/01 10/1/03 Biconnical Antenna Eaton 94455-1 1057 CAL 3/18/03 3/18/05 BiconiLog Antenna EMCO 3143 9409-1043 X Log-Periodic Antenna Electro-Metrics LPA-25 1122 CAL 10/2/01 10/2/03 Log-Periodic Antenna Electro-Metrics EM-6950 632 CHAR 10/15/01 10/15/03 Log-Periodic Antenna Electro-Metrics LPA-30 409 CAL 3/4/03 3/4/05 Dipole Antenna Kit Electro-Metrics TDA-30/1-4 152 CAL 3/21/01 3/21/04 Dipole Antenna Kit Electro-Metrics TDA-30/1-4 153 CAL 9/26/02 9/26/05 APPLICANT: ENGINEERED AUDIO, LLC. FCC ID: QWB-AUR1000 REPORT #: T:\E\ENG_AUDIO\848AUT3\848AUT3TestReport.doc Page 2 of 12 DEVICE MFGR MODEL SERNO CAL/CHAR DATE DUE DATE or STATUS Double-Ridged Horn Antenna Electro-Metrics RGA-180 2319 CAL 2/17/03 2/17/05 Horn Antenna Electro-Metrics EM-6961 6246 CAL 3/31/03 3/31/05 Horn Antenna ATM 19-443-6R None No Cal Required Passive Loop Antenna EMC Test Systems EMCO 6512 9706-1211 CHAR 7/10/01 7/10/03 Line Impedance Stabilization . . . Electro-Metrics ANS-25/2 2604 CAL 10/9/01 10/9/03 Line Impedance Stabilization . . . Electro-Metrics EM-7820 2682 CAL 3/12/03 3/12/05 Termaline Wattmeter Bird Electronic Corporation 611 16405 CAL 5/25/99 5/25/01 Termaline Wattmeter Bird Electronic Corporation 6104 1926 CHAR 12/12/01 12/12/03 Oscilloscope Tektronix 2230 300572 CHAR 2/1/01 2/1/03 System One Audio Precision System One SYS1-45868 CHAR 4/25/02 4/25/04 Temperature Chamber Tenney Engineering TTRC 11717-7 CHAR 1/22/02 1/22/04 AC Voltmeter HP 400FL 2213A14499 CAL 10/9/01 10/9/03 AC Voltmeter HP 400FL 2213A14261 CHAR 10/15/01 10/15/03 AC Voltmeter HP 400FL 2213A14728 CHAR 10/15/01 10/15/03 X Digital Multimeter Fluke 77 35053830 CHAR 1/8/02 1/8/04 Digital Multimeter Fluke 77 43850817 CHAR 1/8/02 1/8/04 Digital Multimeter HP E2377A 2927J05849 CHAR 1/8/02 1/8/04 Multimeter Fluke FLUKE-77-3 79510405 CHAR 9/26/01 9/26/03 Peak Power Meter HP 8900C 2131A00545 CHAR 1/26/01 1/26/03 Power Meter HP 432A 1141A07655 CAL 4/15/03 4/15/05 Power Meter And Sensor Bird 4421-107 4022 0166 0218 CAL 4/16/03 4/16/05 Power Sensor HP 478A 72129 CAL 4/15/03 4/15/05 Digital Thermometer Fluke 2166A 42032 CAL 1/16/02 1/16/04 Thermometer Traulsen SK-128 CHAR 1/22/02 1/22/04 APPLICANT: ENGINEERED AUDIO, LLC. FCC ID: QWB-AUR1000 REPORT #: T:\E\ENG_AUDIO\848AUT3\848AUT3TestReport.doc Page 3 of 12 DEVICE MFGR MODEL SERNO CAL/CHAR DATE DUE DATE or STATUS Thermometer Extech 4028 14871-2 CAL 3/7/03 3/7/05 X Hygro-Thermometer Extech 445703 0602 CAL 10/4/02 10/4/04 Frequency Counter HP 5352B 2632A00165 CAL 11/28/01 11/28/03 Frequency Counter HP 5385A 2730A03025 CAL 3/7/03 3/7/05 Power Sensor Agilent Technologies 84811A 2551A02705 CHAR 1/26/01 1/26/03 Service Monitor IFR FM/AM 500A 5182 CAL 11/22/00 11/22/02 Comm. Serv. Monitor IFR FM/AM 1200S 6593 CAL 5/12/02 5/12/04 Signal Generator HP 8640B 2308A21464 CAL 2/15/02 2/15/04 Sweep Generator Wiltron 6648 101009 CAL 4/15/03 4/15/05 Sweep Generator Wiltron 6669M 007005 CAL 3/3/03 3/3/05 Modulation Analyzer HP 8901A 3435A06868 CAL 9/5/01 9/5/03 Modulation Meter Boonton 8220 10901AB CAL 4/15/03 4/15/05 Near Field Probe HP HP11940A 2650A02748 CHAR 2/1/01 2/1/03 BandReject Filter Lorch Microwave 5BR4-2400/ 60-N Z1 CHAR 3/2/01 3/2/03 BandReject Filter Lorch Microwave 6BR6-2442/ 300-N Z1 CHAR 3/2/01 3/2/03 BandReject Filter Lorch Microwave 5BR4-10525/ 900-S Z1 CHAR 3/2/01 3/2/03 High Pass Filter Microlab HA-10N CHAR 10/4/01 10/4/03 High Pass Filter Microlab HA-20N CHAR 2/7/03 2/7/05 Audio Oscillator HP 653A 832-00260 CHAR 3/1/01 3/1/03 Frequency Counter HP 5382A 1620A03535 CHAR 3/2/01 3/2/03 Frequency Counter HP 5385A 3242A07460 CAL 3/7/03 3/7/05 Preamplifier HP 8449B-H02 3008A00372 CHAR 3/4/01 3/4/03 Amplifier HP 11975A 2738A01969 CHAR 3/1/01 3/1/03 Egg Timer Unk CHAR 8/31/01 8/31/03 APPLICANT: ENGINEERED AUDIO, LLC. FCC ID: QWB-AUR1000 REPORT #: T:\E\ENG_AUDIO\848AUT3\848AUT3TestReport.doc Page 4 of 12 DEVICE MFGR MODEL SERNO CAL/CHAR DATE DUE DATE or STATUS Measuring Tape, 20M Krafti…

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