2AR6X-60605Wireless ChassisEAR 2

1 INSTRUCTION MANUAL 60605 23 TABLE OF CONTENTS SAFETY INSTRUCTIONS Safety Instructions Overview Main Components Component Description Charging Diagnostic Use Main Screen Location Settings Screen System Setting Screen Transmitter Channel Adjustment Accessories and Replacement Parts Notes NOTE: Please heed the following safety warnings and precautions: To prevent personal injury or vehicle damage please read safety precautions and warnings before working on vehicle. 1.) Always perform automotive testing in a safe environment. 2.) Wear eye protection that meets ANSI standards. 3.) Keep clothing, hair, hands, tools, test equipment, etc., away from all moving or hot engine parts. 4.) Operate vehicle in a well-ventilated work area. Exhaust gases are toxic. 5.) Use blocks on drive wheels and never leave vehicle unattended while running tests. 6.) Use extreme caution when working on the ignition coil, distributor cap, ignition wires and spark plugs. These components create hazardous voltages when the engine is running. NOTE: Changes or modifications to this equipment not expressly approved by JS Products will void the warranty of this product. NOTE: It is the responsibility of the user to use only the accessories supplied with this equipment. Use of 3rd party accessories will void the warranty. WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov 2 3 4 4 5 5 6 7 8 9 10 11 OVERVIEW The STEELMAN PRO ™ Wireless ChassisEAR2 ® is a versatile noise, vibration, and harshness (NVH) diagnostic tool. The STEELMAN PRO ™ Wireless ChassisEAR2 ® Digital Control Unit receives NVH sounds from up to six transmitters that are connected to precision piezo microphones embedded inside of the included sensor clamps. These clamps can be attached to almost any location on a vehicle that is experiencing elusive NVH to amplify sounds and aid in locating NVH. The unit can be used on a vehicle either while parked or during a road test. Some examples of areas where NVH originates and this unit can be used are: • Wheel Bearings • Brake Calipers • C.V. Joints • Leaf and Coil Springs • Differentials • Transmissions • Body Mount Points • Interior Trim Please read carefully the following instructions to ensure optimum use of the product. • Fuel Injectors • Alternators • Water Pumps • Power Steering Pumps • AC Compressors • Accessory Pulleys • Motor Mounts • Engine Bay 45 MAIN COMPONENTS COMPONENT DESCRIPTION DescriptionQuantity Rechargeable Control Unit1 Rechargeable Transmitters4 Sensor Clamps4 Transmitter Extension Jumpers4 Nylon Ties6 Velcro Straps6 Transmitter Charging Station1 120V AC Power Adapter for Charging Station1 Mini-USB to USB Charging Cable for Control Unit1 Canvas Storage Bag1 CHARGING DIAGNOSTIC USE 1.) To charge the Control Unit, use the included micro USB/USB cable. Plug the small end into the micro USB port on the left side of the Control Unit. Plug the large end into a USB/ DC converter (not included) or into a USB charging receptacle. An LED on the power button will illuminate RED while the Control Unit is charging. The LED will illuminate GREEN when charging is complete. 2.) To charge the Transmitters, plug the Charging Station into an AC power source. Insert each transmitter into an available slot on the Charging Station. The Transmitter status LED will illuminate RED while the unit is charging. When charging is complete, the LED will illuminate GREEN and then slowly fade to OFF. It is illegal in many jurisdictions to operate a motor vehicle while wearing headphones. It is strongly recommended that any road testing be conducted with a dedicated driver AND a technician. 1.) Power on the Control Unit by pressing the power button once. 2.) Power on each Transmitter by plugging them into the Sensor Clamp. The status LED will illuminate BLUE indicating that the Transmitter is powered and active. 3.) Place the Transmitters in each location that you wish to examine for NVH. 4.) In confined spaces, the Transmitter Jumper can be used to locate the clamp and Transmitter separately. Plug the male end of the jumper into the Sensor Clamp. Plug the Transmitter into the female end of the jumper. 5.) Secure Transmitters using included Velcro and nylon ties to ensure they are not lost during road testing. Transmitter Charging Station Headphones Rechargeable Control Unit Rechargeable Transmitter Sensor Clamp CAUTION: 67 MAIN SCREENLOCATION SETTINGS SCREEN The Main Screen is the landing screen when Wireless ChassisEAR2 ® is powered on. The use and functions of the main screen are described below: 1.) To select a channel to listen to, tap on the desired channel number button. If the bar on top of the channel number button is green, the channel is active and the transmitted sounds are being played back. If the bar on top is red, the channel is inactive. The location label below the button can be set from the “Location Settings” screen. The vertical color boxes on the right side of the channel button correspond with the boot color on the Transmitters. 2.) The volume buttons control volume output from the control unit. Tap “-” to decrease the volume and “+” to increase the volume. The sound from each Transmitter can be played back through the integrated rear speaker or through the included Headphones by plugging the headphones into the headphone port on the right side of the control unit. 3.) The NVH Level Meter shows the signal (noise) level of the selected channel being transmitted to the Wireless ChassisEAR2 ® receiver. The color of the meter will change between green, yellow, and red based on the level of the noise received with green being the lowest level and red being the highest. 4.) The Batt Meter shows the current Control Unit battery level. The meter will change to YELLOW when charging is needed soon and RED when battery depletion is imminent. The continuous run-time of the control unit is approximately 3.5 hours. 5.) The hamburger menu button will open the “Location Settings” screen where the location for …

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SCS-F019: Confidentiality Request Letter Page 1 of 2 Rev 7.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Website: https://www.cps.bureauveritas.com/ Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (obsolete) 3.0 4.0 March-26-2015 Corrections to STC form. Added reference to KDB (obsolete) 4.0 5.0 Nov-19-2015 Updated company logo (current) 5.0 6.0 Jun-26-2019 Updated References and Contact Info 6.0 7.0 Aug-30-2020 SCS-F019: Confidentiality Request Letter Page 2 of 2 Rev 7.0 ( SENCO INDUSTRIAL TRADING CO.,LTD.) (2021/2/20) To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046-1609 Cc: Bureau Veritas Consumer Products Services Inc. 775 Montague Expressway Milpitas, CA 95035 Subject: Confidentiality Request for FCC ID: 2AR6X-60605 Pursuant to CFR 47 sections 0.457 and 0.459, we respectfully request permanent confidential treatment of the following Exhibits accompanying this application be held confidential: Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagram Short Term External Photos Short Term Permanent i Internal Photos Short Term Permanent Operational Description/ Theory of Operation Short Term Permanent Parts List Short Term Permanent Tune-Up Procedure Short Term Permanent Schematics Short Term Test Setup Photos Short Term Permanent i User’s Manual The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: To avoid premature release of sensitive information prior to marketing or release of the product to the public, the applicant requests the following documents contained in this certification application be temporarily withheld from public disclosure for an initial period of 45 or 180 days; or for a specified date of not to exceed 180 days from the Grant Date The applicant understands that disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s signature: Client’s name & title: WEIFANG Luo Contact information / address: FLAT/RM 1802 18/F SUNBEAM COMMERCIAL BUILDING 469-471 NATHAN ROAD KL i Permanent confidentiality may be requested in accordance with FCC KDB 726920

Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 1 of 8 Report Version 1 Reference No.: 2012WSZ0095 PHOTOGRAPHS OF THE EUT Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 2 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 3 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 4 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 5 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 6 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 7 of 8 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 8 of 8 Report Version 1 Reference No.: 2012WSZ0095

Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 1 of 9 Report Version 1 Reference No.: 2012WSZ0095 PHOTOGRAPHS OF THE EUT Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 2 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 3 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 4 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 5 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 6 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 7 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 8 of 9 Report Version 1 Reference No.: 2012WSZ0095 Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 9 of 9 Report Version 1 Reference No.: 2012WSZ0095 ANT_TX ANT_RX

Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 1 of 29 Report Version 1 Test Report No.: RF2012WSZ0095 TEST REPORT Applicant Senco Industrial Trading Co., LTD. Address FLAT/RM 19-20 43/F, ONE MIDTOWN, 11 HOI SHENG ROAD , TSUEN WAN, HK. Manufacturer or Supplier Force Eletronic (Huizhou) Ltd. Address No.3 East Road, Futian, Boluo, Huizhou, Guangdong Product: Wireless ChassisEAR 2 Brand Name: Steelman Pro Model: 60605 Additional Model & Model Difference N/A Date of tests: Dec. 23, 2020~ Feb. 02, 2021 the tests have been carried out according to the requirements of the following standard: FCC Part 15, Subpart C, Section 15.249 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Evans He Project Engineer/ EMC Department Approved by David Huang Supervisor / EMC Department Date: Feb. 02, 2021 This report is governed by, and incorporates by reference, CPS Conditions of Service as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute you unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 2 of 29 Report Version 1 Test Report No.: RF2012WSZ0095 TABLE OF CONTENTS RELEASE CONTROL RECORD ............................................................................................................ 3 1 SUMMARY OF TEST RESULTS .................................................................................................... 4 2 MEASUREMENT UNCERTAINTY ................................................................................................. 4 3 GENERAL INFORMATION ............................................................................................................ 5 3.1 GENERAL DESCRIPTION OF EUT ............................................................................................ 5 3.2 DESCRIPTION OF TEST MODES .............................................................................................. 6 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................. 7 3.4 DESCRIPTION OF SUPPORT UNITS ........................................................................................ 7 4. TEST TYPES AND RESULTS ........................................................................................................ 8 4.1 RADIATED EMISSION MEASUREMENT ................................................................................... 8 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT ...................................................... 8 4.1.2 TEST INSTRUMENTS ....................................................................................................... 9 4.1.3 TEST PROCEDURES ..................................................................................................... 10 4.1.4 DEVIATION FROM TEST STANDARD ........................................................................... 10 4.1.5 TEST SETUP .................................................................................................................... 11 4.1.6 EUT OPERATING CONDITIONS .................................................................................... 12 4.1.7 TEST RESULTS .............................................................................................................. 13 4.2 20dB BANDWIDTH MEASUREMENT ...................................................................................... 24 4.2.1 LIMITS OF 20dB BANDWIDTH MEASUREMENT ........................................................... 24 4.2.2 TEST INSTRUMENTS ...................................................................................................... 24 4.2.3 TEST PROCEDURE ......................................................................................................... 25 4.2.4 DEVIATION FROM TEST STANDARD ............................................................................. 25 4.2.5 TEST SETUP .................................................................................................................... 25 4.2.6 EUT OPERATING CONDITIONS ..................................................................................... 25 4.2.7 TEST RESULTS ................................................................................................................ 26 5. PHOTOGRAPHS …

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Bureau Veritas (Shenzhen) Consumer Products Services Co., Ltd. Zone A, Floor 1, Building 2, Wan Ye Long Technology Park, South Side of Zhoushi Road, Bao’an District, Shenzhen Guangdong, 518108, China. Tel: +86-755-26014629 Ext.800 Email: [email protected] Page 1 of 1 Report Version 1 Reference No.: 2012WSZ0095 SET-UP FOR RADIATED EMISSION TEST Frequency Range< 30MHz~1GHz > Frequency Range< Above 1GHz >