Y3J-DCHBTXXAviation Headset 2.4 GHz Bluetooth Interface

Indust rial-CL ASS BT H EADSETS User Manual 230-31600 Aurora User Manual 5-8.indd 15/11/15 8:00 PM Congratulations on your purchase of the Aurora BT headset. As with all of our products, Aurora Class headsets are backed by extraordinary customer service and support. David Clark Company assumes full responsibility for the quality and performance of our products. We are committed to a policy of service whereby we will respond in a prompt and positive manner to any question or issue regarding one of our products. David Clark Company products have set the standards of performance and excellence for customers throughout the world. Your new Aurora Class BT headset continues this legacy. We have earned a reputation for excellence; we intend to keep it by continuing to deserve your confidence. Robert A. Vincent, President Thank you for purchasing the Aurora BT headset T H A N K Y O U . . . 2 WWW.DAVIDCLARK.COM WWW.DAVIDCLARK.COM 3 Indust rial-CL ASS BT H EADSETS C A U T I O N S & W A R N I N G S READ AND SAVE THESE INSTRUCTIONS. Follow the instructions in this manual. These instructions must be followed to avoid damage to this product and associated equipment. Product operation and reliability depends on proper usage. DO NOT USE OR INSTALL ANY DAVID CLARK COMPANY PRODUCT THAT APPEARS DAMAGED. Upon unpacking your David Clark product, inspect the contents for shipping damage. If damage is apparent, immediately file a claim with the carrier and notify your David Clark product supplier. ELECTRICAL HAZARD. All repairs should be performed by a representative or authorized agent of David Clark Company. Electrical power must be discon- nected when making any internal adjustments or repairs. LI-POLYMER. This product is used with Li-Polymer batteries. Do not incinerate, disassemble, short circuit, or expose battery to high temperatures. Battery must be disposed of properly in accordance with local regulations. IMPORTANT: First Use The DC Bluetooth Headset must be enabled by a slide switch inside the non-mic side ear dome prior to first use (see Figure 1 opposite). You must remove the filter to see the slide switch. The slide switch will need to be in the UP position. This will be the only time it is necessary to operate this switch. Figure 1 - Move Slide Switch to UP position 230-31600 Aurora User Manual 5-8.indd 2-35/11/15 8:00 PM H E A D S E T F E A T U R E S 4 WWW.DAVIDCLARK.COM WWW.DAVIDCLARK.COM 5 B L U E T O O T H ® T E C H N O L O G Y What is Bluetooth ® Wireless Technology?* Bluetooth is a wireless communication system standard that allows connectivity and collaboration between disparate products and industries. It allows the headset to work with mobile phones, leak detector equipment and a wide variety of other Bluetooth compatible devices. How does Bluetooth technology differ from other radio technologies? Mobile phones, FM radio and television all use radio waves to send information wirelessly. And while Bluetooth technology also uses radio waves, it transmits them over a shorter distance. Bluetooth technology sends information within your Personal Area Network or “PAN” (aka your own personal space) at distances up to 100 meters (328 feet) depending upon device implementation. Bluetooth technology operates in the unlicensed industrial, scientific and medical (ISM) band at 2.4 to 2.485 GHz, using a spread spectrum, frequency hopping, full-duplex signal at a nominal rate of 1600 hops/sec. Is Bluetooth technology hardware or software? It’s a combination of both. Bluetooth includes a small computer chip containing the Bluetooth radio. But it also needs software to connect, via Bluetooth wireless technology, to other products. This is accomplished through adaptive frequency hopping (AFH) capability. AFH was designed to reduce interference between wireless technologies sharing the 2.4 GHz spectrum. AFH works within the spectrum to take advantage of the available frequency. This is done by the technology detecting other devices in the spectrum and avoiding the frequencies they are using. This adaptive hopping among 79 frequencies at 1 MHz intervals gives a high degree of interference immunity and also allows for more efficient transmission within the spectrum. For users of Bluetooth technology this hopping provides greater performance even when other technologies are being used along with Bluetooth technology. *The above excerpts are taken from Bluetooth.com. Please visit Bluetooth.com if you’d like to learn more about Bluetooth. Soft foam head pad with 4-chamber design provides greater comfort and is weather resistant Fully adjustable, locknut stirrup assembly Black, non-reflective hardware Control switch located conveniently on ear dome Flex/wire boom for ‘one touch’ microphone placement Electret, noise-cancelling microphone for clear voice transmission Comfort-Gel ear seals with undercut design leave more room for the ear and provide snug, comfortable fit 230-31600 Aurora User Manual 5-8.indd 4-55/11/15 8:00 PM Bluetooth Device ID: David Clark Headset (V100) O V E R V I E W & O P E R A T I O N O V E R V I E W & O P E R A T I O N 6 WWW.DAVIDCLARK.COM WWW.DAVIDCLARK.COM 7 The David Clark H-BT headset is a wireless audio/communication device that uses Bluetooth 4.0 to connect to smartphones, computers or other Bluetooth-equipped devices. The headset is equipped with a rechargeable lithium ion battery capable of up to 30 hours of continuous music streaming/talk time. Standby time is estimated at up to140 hours. Operation ButtonAction Inner button long held (>=1sec)Device On Inner button long held (>=2.5sec)Device Off Inner button short pressEnter pairing mode Outer button short press Answer incoming call Hang up outgoing call or active call Play/Pause Outer button long held (>=1sec) Connect last HFP device Dial last number Reject incoming call Transfer call Outer button double pressVoice dial Note: Volume is controlled solely by selected device. Status Indications Inner Button Blue/Red LED LED ColorHea…

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David -----. Clark Date: I8-June-I5 RE: FCC: Y3J-DCHBTXX To Whom It May Concern: David Clark Company Incorporated 360 Franklin Street, Box 15054 Worcester, MA 0/615-0054 Phone: 508-751-5800 Fax: 508-753-5827 www.davidclark.com David Clark Company Inc., hereby declares that the Bluetooth Headset, Model/s Number HBT-XX submitted as FCC ID: Y3J-DCHBTXX meets the following FCC requirements ofCRF Title 47 Part 15.247(a) (1): • The hopping sequence is pseudorandom. • All channels are used equally on average. • The receiver input bandwidth approximately equals the transmit bandwidth. • The receiver hop is in sequence with the transmit signaL Furthermore, it also meets FCC requirement of Section 15.247(h): The system does not coordinate its channel selection/hopping sequence with other frequency hopping systems for the express purpose of avoiding the simultaneous occupancy of individual hopping frequencies by multiple transmitters. David J. Truesdell Director of Engineering

David ------. Clark Letter Of Agency Date: 13-May-15 RE: FCC ID: Y3J-DCHBTXX To Whom It May Concern: David Clark Company Incorporated 360 Franklin Street, Box 15054 Worcester, MA 01615-0054 Phone: 508-751-5800 Fax: 508-753-5827 www.davidclark.com Please be advised that David Truesdell of David Clark Company, Inc. authorizes Larry Stillings, President of Compliance Worldwide, Inc. to act on our behalf, until otherwise notified, for applications submitted for the purpose of obtaining an FCC Grant of Equipment Authorization. We certify that we are not subject to denial offederal benefits, that includes FCC benefits, pursuant to Section 5301 ofthe Anti-Drug Abuse ACT of 1988, U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002(b), to the application is subject to denial of federal benefits, that includes FCC benefits. Thank you for your attention to this matter. Director of Engineering

External Photos – FCC ID: Y35-DCHBTXX and IC: 9409A-DCHBTXX Right Ear cup

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. MODEL HBT-XX P/N *****G-** MADE IN USA FCC ID: Y3J-DCHBTXX IC: 9409A-DCHBTXX

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. MODEL HBT-XX P/N *****G-** MADE IN USA FCC ID: Y3J-DCHBTXX IC: 9409A-DCHBTXX

Internal Photos – FCC ID: Y3J-DCHBTXX and IC: 9409A-DCHBTXX Right Right Mother board with Bluetooth Module – Front Mother board with Bluetooth Module removed – Front Mother board with Bluetooth Module – Rear – batter cushions attached Mother board with Bluetooth Module – Rear – battery cushions removed Bluetooth Module – Front Bluetooth Module – Rear Left Left back side Left cushion removed Left speaker removed Left insulation removed Left close up

Test Number: 200-15 Issue Date: 4/16/2015 Page 33 of 71 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 6. Measurement Data (continued) 6.13. Public Exposure to Radio Frequency Energy Levels (15.247(i) (1.1307 (b)(1)) RSS-GEN 5.5, RSS 102) 6.12.1. 15.247(i) (1.1307 (b)(1) Requirements Requirement: Portable devices are subject to radio frequency radiation exposure requirements. For a 1-g SAR, the test exclusion result must be ≤ 3.0. Test Notes: The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by the following formula: SAR Test Exclusion = (1) P MAX mW Maximum power of channel, including tune-up tolerance d MIN mm Minimum test separation distance, mm (≤ 50 mm) f (GHz) GHz f (GHz) is the RF channel transmit frequency in GHz (>100 MHz and <6 GHz) (1) FCC OET 447498 - Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. Result: The device under test meets the exclusion requirement detailed in FCC OET 447498. Input: P MAX 1 (mW) 0.28 0.56 1.09 d MIN (mm) 5.00 5.00 5.00 f (GHz) 2.402 2.441 2.480 Test Exclusion: 0.37 0.09 0.17 Limit Exemption: 3.00 3.00 3.00 1 Taken from column 7 of the table in Section 6.6 of this test. 6.12.2. RSS-102 Issue 5 Requirements Requirement: SAR evaluation is required if the separation distance between the user and/or bystander and the antenna and/or radiating element of the device is less than or equal to 20 cm, except when the device operates at or below the applicable output power level (adjusted for tune-up tolerance) for the specified separation distance defined in Table 1. Portable devices are subject to radio frequency radiation exposure requirements. Test Notes: The limit was taken from Table 1 of RSS-102 Issue 5. Frequency Separation Distance Maximum Power RSS-102 Limit (MHz) (mm) (mW) (mW) Result 2402.00 ≤5 0.28 4.26 Compliant 2441.00 ≤5 0.56 4.05 Compliant 2480.00 ≤5 1.09 3.94 Compliant P MAX d MIN x√f (GHz)

Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.complianceworldwide.com COMPLIANCE WORLDWIDE INC. TEST REPORT 200-15R1 In Accordance with the Requirements of FCC PART 15.247, SUBPART C INDUSTRY CANADA RSS 210, ISSUE 8 Low Power License-Exempt Radio Communication Devices Intentional Radiators Issued to David Clark Company 360 Franklin Street Worcester, MA 01604 for the Bluetooth Headset 2.4 GHz Bluetooth Interface FCC ID: Y3J-DCHBTXX IC: 9409A-DCHBTXX Report Issued on April 16, 2015 Revised Report Issued on June 23, 2015 Tested by This test report shall not be reproduced, except in full, without written permission from Compliance Worldwide, Inc. Test Number: 200-15R1 Issue Date: 6/23/2015 Page 2 of 71 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Table of Contents 1 Scope ................................................................................................................................... 3 2 Product Details........................................................................................................ 3 2.1 Manufacturer...................................................................................................................3 2.2 Model Number .................................................................................................................3 2.3 Serial Number .................................................................................................................3 2.4 Description ......................................................................................................................3 2.5 Power Source..................................................................................................................3 2.6 EMC Modifications...........................................................................................................3 3 Product Configuration .......................................................................................................... 3 3.1 Operational Characteristics & Software..............................................................................3 3.2 EUT Hardware .................................................................................................................4 3.3 EUT Cables/Transducers ..................................................................................................4 3.4 Miscellaneous EUT Items .................................................................................................5 3.5 Support Equipment ..........................................................................................................5 3.6 Support Equipment cables ................................................................................................5 3.7 Block Diagram .................................................................................................................5 4 Measurements Parameters.................................................................................................. 6 4.1 Measurement Equipment and Software Used to Perform Test..............................................6 4.2 Measurement & Equipment Setup .....................................................................................6 4.3 Measurement Procedure ..................................................................................................6 5 Measurement Summary....................................................................................................... 7 6 Measurement Data............................................................................................................... 8 6.1 Antenna Requirement.................................................................................................................. 8 6.2 Number of Hopping Channels ...........................................................................................8 6.3 Minimum 20 dB Bandwidth ...........................................................................................9 6.4 Frequency Hopping Channel Separation.........................................................................11 6.5 Average Time of Occupancy ...........................................................................................13 6.6 Maximum Peak Conducted Output Power ................................................................................ 17 6.7 Band Edge Measurements ........................................................................................................ 20 6.8 99% (Occupied) Bandwidth ....................................................................................................... 25 6.9 Combined Spurious Harmonic Radiated Emissions.................................................................. 27 6.10 Spurious Radiated Emissions.................................................................................................. 28 6.11 Unwanted Emissions in Non-Restricted Frequency Bands..................................................... 29 6.12 Conducted Emissions .............................................................................................................. 30 6.13 Public Exposure to Radio Frequency Energy Levels .............................................................. 33 7 Test Site Description......................................................................................................................34 Appendix A - Spurious Radiated Emissions Test Results...........................................................35 Appendix B - Emissions in Non-Restricted Frequency Bands....................................................56 Test Number: 200-15R1 Issue Date: 6/23/2015 Page 3 of 71 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 1. Scope This test report certifies that the David Clark Company Bluetooth Headse…

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Test Setup photos – FCC ID: Y35-DCHBTXX and IC: 9409A-DCHBTXX Conducted Rear Conducted Front Microwave Rear Microwave Front Radiated Bilog Radiated Front Radiated Loop