OMD800-001Auditory Assistance Transmitter

4 LISTEN TECHNOLOGIES CORPORATION +1.435.647.0318 1.800.330.0891 Fax: +1.435.647.0316 Internet: www.listentech.comAll specifications are subject to change without notice. Compliance Notices Listen’s Models LT-800, LT-700, LR-400 and LR-500 These devices comply with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) These devices may not cause harmful interference, and (2) these devices must accept any interference received, including interfer- ence that may cause undesired operation. Listen’s LT-800 and LT-700 Transmitters (216MHz only) Listen’s LT-800 and LT-700 transmitters are authorized by rule under the Low Power Radio Service (47 C.F.R. Part 95) and must not cause harmful interference to TV reception or United States Navy SPASUR installations. You do not need an FCC license to operate these transmitters. These transmitters may only be used to provide: auditory assistance to persons with disabilities, persons who require lan- guage translation, or persons in educational settings; health care ser vices to the ill; law enforcement tracking services under agreement with a law enforcement agency; or automated maritime telecommunications system (AMTS) network con- trol communications. Two-way voice communications and all other types of uses not mentioned above are expressly prohibited. Caution:Changes or modifications not expressly approved by the party responsi- ble for compliance could void the user’s authority to operate Listen’s equipment. FCC Statement 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 installa- tion. 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 inter- ference 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 tr y to correct the interference by one or more of the following measures: 4 Reorient or relocate the receiving antenna. 4 Increase the separation between the equipment and receiver. 4 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 4 Consult the dealer or an experienced radio/TV technician for help. This equipment has been certified to comply with the limits for a class B com- puting device, pursuant to FCC Rules. In order to maintain compliance with FCC regulations, shielded cables must be used with this equipment. Operation with non-approved equipment or unshielded cables is likely to result in interference to radio and TV reception. The user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could void the user’s authority to operate this equipment. Technical Service Contacts & Compliance Notices Technical Ser vice Contacts If technical service is needed, or damage has occurred in the shipment of your Listen products, please contact Listen. Pre-authorization is required before returning Listen products. Toll Free: 1.800.330.0891 Telephone: +1.435.647.0318 Fax: +1.435.647.0316 Internet: www.listentech.com General E-Mail: [email protected] Shipping Address: Listen Technologies Corporation 1762A Prospector Avenue Park City, UT 84068-3010 U.S.A. Correspondence Mailing Address: Listen Technologies Corporation P.O. Box 683010 Park City, UT 84068-3010 U.S.A.

FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 1 of 16 FCC PART 15, SUBPART B & C TEST REPORT for BASE STATION TRANSMITTER Model: LT-800-072 FCC ID: OMD800-001 Prepared for LISTEN TECHNOLOGIES 1762A PROSPECTOR AVENUE PARK CITY, UT 84060 COMPATIBLE ELECTRONICS INC. 2337 TROUTDALE DRIVE AGOURA, CALIFORNIA 91301 (818) 597-0600 DATE: JUNE 28, 1999 REPORTAPPENDICESTOTAL BODYABCD PAGES162292251 This report shall not be reproduced except in full, without the written approval of Compatible Electronics. FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 2 of 16 TABLE OF CONTENTS Section / TitlePAGE GENERAL REPORT SUMMARY4 SUMMARY OF TEST RESULTS4 1. PURPOSE5 2. ADMINISTRATIVE DATA7 2.1 Location of Testing7 2.2 Traceability Statement7 2.3 Cognizant Personnel7 2.4 Date Test Sample was Received7 2.5 Disposition of the Test Sample7 2.6 Abbreviations and Acronyms7 3. APPLICABLE DOCUMENTS8 4. Description of Test Configuration9 4.1 Description of Test Configuration - EMI9 4.1.1 Cable Construction and Termination10 5. LISTS OF EUT, ACCESSORIES AND TEST EQUIPMENT11 5.1EUT and Accessory List11 5.2 EMI Test Equipment12 6. TEST SITE DESCRIPTION13 6.1 Test Facility Description13 6.2 EUT Mounting, Bonding and Grounding13 7. Test Procedures14 7.1 RF Emissions14 7.1.1 Conducted Emissions Test14 7.1.2 Radiated Emissions Test15 7.1.3RF Emissions Test Results16 8. Conclusion17 FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 3 of 16 LIST OF APPENDICES APPENDIXTITLE AModifications to the EUT BAdditional Models Covered Under This Report CDiagrams, Charts and Photos • Test Setup Diagrams • Antenna and Effective Gain Factors • Radiated and Conducted Emissions Photos DData Sheets LIST OF FIGURES FIGURETitle 1 Conducted Emissions Test Setup 2 Plot Map And Layout of Test Site FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 4 of 16 GENERAL REPORT SUMMARY This electromagnetic emission test report is generated by Compatible Electronics Inc., which is an independent testing and consulting firm. The test report is based on testing performed by Compatible Electronics personnel according to the measurement procedures described in the test specifications given below and in the "Test Procedures" section of this report. The measurement data and conclusions appearing herein relate only to the sample tested and this report may not be reproduced in any form unless done so in full with the written permission of Compatible Electronics. This report must not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. Device Tested:Base Station Transmitter Model: LT-800-072 S/N: None Product Description:This is a Base Station Auditory Assistance Transmitter used to transmit multiple channels to remote receivers which are used by those who are hearing impaired.. The product is used in places such as cinemas, places of worship, public meeting facilities and schools. Modifications:The EUT was modified during the test in order to comply with specifications. See the list in appendix A for modifications. Manufacturer:Listen Technologies Corporation 1762A Prospector Avenue Park City, Utah 84060 Test Date:June 10, 1999 Test Specifications:EMI requirements FCC Title 47, Part 15 Subpart B & C Test Procedure: ANSI C63.4: 1992. Test Deviations:The test procedure was not deviated from during the testing. SUMMARY OF TEST RESULTS TESTDESCRIPTIONRESULTS 1Conducted RF Emissions, 450 kHz - 30 MHz.Complies with the Class B limits of FCC Title 47, Part 15 Subpart B. 2Radiated RF Emissions, 30 MHz – 1000 MHz.Complies with the Class B limits of FCC Title 47, Part 15 Subpart B. 3Radiated RF Emissions, 10kHz to 1GHz.Complies with the limits of FCC Title 47, Part 15 Subpart C 15.109, 15.209, 15.237. FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 5 of 16 1.PURPOSE This document is a qualification test report based on the Electromagnetic Interference (EMI) tests performed on the Base Station Transmitter Model: LT-800-072. The EMI measurements were performed according to the measurement procedure described in ANSI C63.4: 1992. The tests were performed in order to determine whether the electromagnetic emissions from the equipment under test, referred to as EUT hereafter, are within the specification limits defined in FCC Title 47, Part 15, Subpart C, 15.109 and 15.209 and 15.237. FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page 6 of 16 2.ADMINISTRATIVE DATA 2.1Location of Testing The EMI tests described herein were performed at the test facility of Compatible Electronics, 2337 Troutdale Drive, Agoura, California 91301. 2.2Traceability Statement The calibration certificates of all test equipment used during the test are on file at the location of the test. The calibration is traceable to the National Institute of Standards and Technology (NIST). 2.3Cognizant Personnel Listen Technologies Corporation Keldon A. PaxmanVP of Operations Compatible Electronics, Inc. Joey J. MadlangbayanTest Engineer Jeff S. KlingerLab Manager 2.4Date Test Sample was Received The test sample was received on June 10, 1999. 2.5Disposition of the Test Sample The test sample remains at Compatible Electronics. 2.6Abbreviations and Acronyms The following abbreviations and acronyms may be used in this document. RFRadio Frequency EMIElectromagnetic Interference EUTEquipment Under Test P/NPart Number S/NSerial Number HPHewlett Packard ITEInformation Technology Equipment CMLCorrected Meter Limit LISNLine Impedance Stabilization Network FCC ID: OMD800-0…

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FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page C6 FRONT SIDE LISTEN TECHNOLOGIES CORPORATION BASE STATION TRANSMITTER Model: LT-800-072 FCC PART 15 SUBPART B & C - RADIATED EMISSIONS – 6-10-99 PHOTOGRAPH SHOWING THE EUT CONFIGURATION FOR MAXIMUM EMISSIONS FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page C7 BACK SIDE LISTEN TECHNOLOGIES CORPORATION BASE STATION TRANSMITTER Model: LT-800-072 FCC PART 15 SUBPART B & C - RADIATED EMISSIONS – 6-10-99 PHOTOGRAPH SHOWING THE EUT CONFIGURATION FOR MAXIMUM EMISSIONS FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page C8 FRONT SIDE LISTEN TECHNOLOGIES CORPORATION BASE STATION TRANSMITTER Model: LT-800-072 FCC PART 15 SUBPART B & C - CONDUCTED EMISSIONS – 6-10-99 PHOTOGRAPH SHOWING THE EUT CONFIGURATION FOR MAXIMUM EMISSIONS FCC ID: OMD800-001 Report Number: A90610F1 2337 TROUTDALE DRIVE, AGOURA, CALIFORNIA 91301 PHONE: (818) 597-0600 FAX: (818) 597-1187 Page C9 BACK SIDE LISTEN TECHNOLOGIES CORPORATION BASE STATION TRANSMITTER Model: LT-800-072 FCC PART 15 SUBPART B & C - CONDUCTED EMISSIONS – 6-10-99 PHOTOGRAPH SHOWING THE EUT CONFIGURATION FOR MAXIMUM EMISSIONS