2A8BFNVA-FT06-R1Wireless pedal receiver FT06-R1

Operator’s Manual Publish Date: 7-1-22 NVA-FT06 North America ©NOVA Welding Industries WIRELESS TIG FOOT PEDAL 2.4 GHz MODEL: NVA-FT06 SERIAL NUMBER: APPLICATION: FCC PEDAL/TRANSMITTER ID: FCC RECEIVER ID: OTHER: 2 TABLE OF CONTENTS SPECIAL NOTICE AND CALIFORNIA PROPOSITION 65 WARNING, FCC Usage Information 3 SAFETY DISCLAIMER AND HF WARNING 4 SPECIFICATIONS, COMPATIBILITY NUMBERS 8 COMPONENT ID 9 INTRODUCTORY NOTICE ON SHIPPING AND PEDAL TOP SERVICING 10 UNPACKING YOUR UNIT 11 PAIRING INFORMATION 11 CONNECTING THE BATTERY WIRES BEFORE USE 12 CHARGING THE BATTERY 12 CONNECTING THE RECEIVER DONGLE TO WELDER 12 OPERATION OF THE NOVA WIRELESS PEDAL 13 TROUBLESHOOTING 15 RECYCLE. DO NOT DISCARD THIS PRODUCT IN THE TRASH! This Wireless Pedal has been designed for a long life. However, in the event part(s) or all of this product becomes non serviceable: • Do not discard this product or its parts in general waste. Do not burn or attempt to destroy this product or damage it further. • Reuse or Recycle Waste Electrical And Electronic Equipment (WEEE) by disposing of it at a designated recycling or collection facility. • Contact your local government or disposal/collection facility for recycling information and locations. Or contact NOVA for further recycling or repair information. 3 NOTICE: Product Specifications and features are subject to change without notice. While every at- tempt has been made to provide the most accurate and current information possible at the time of publication, this manual is intended to be a general guide and not intended to be exhaustive in its content regarding safety, welding, or the operation/maintenance of this unit. Due to multiple variables that exist in the welding field and the changing nature of it and of the NOVA Welding Industries does not guarantee the accuracy, completeness, au- thority or authenticity of the information contained within this manual or of any infor- mation offered during the course of conversation or business by any NOVA employee or subsidiary. The owner of this product assumes all liability for its use and maintenance. NOVA does not warrant this product or this document for fitness for any particular pur- pose, for performance/accuracy or for suitability of application. Furthermore NOVA does not accept liability for injury or damages, consequential or incidental, resulting from the use of this product or resulting from the content found in this document or accept claims by a third party of such liability. WARNING! California Proposition 65 Warning: This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code § 25249.5 et seq.) Warning: Cancer and/or Reproductive Harm www.P65warnings.ca.gov FCC Information 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 instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a par- ticular 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: • Relocate or reorient the transmitter (pedal) and/or receiving antenna (dongle). • Increase the separation distance between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult NOVA, the installing electrician or an experienced radio/TV technician for help. If interference cannot be eliminated, discontinue use and contact NOVA. 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. RF Exposure Information The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 4 Safe operation and proper maintenance is your responsibility. NOVA Welding Industries is dedicated to keeping safety a top priority. While we have compiled this operator’s manual to instruct you in basic safe operation and maintenance of your NOVA product, it is no substitute for observing safe welding practices and behavior. Safe welding and related operations require basic knowledge, experience and ultimately the exercise of common sense. Welding does significant hazards to your health and life! Exercise extreme caution and care in all activities related to welding or cutting. Your safety, health and even life depends upon it. WARNING! If you do not have proper knowledge or capability to safely install and operate this foot pedal, do not use this pedal until proper training has been received. While accidents are never planned, preventing an accident requires careful planning. Stay alert! Keep wires and chargers properly stored. Keep pedal switched to “OFF” when not in use. Please carefully read this manual before you install and operate your NOVA TIG foot pedal. The warranty does not cover damage or harm created by improper use. neglect of the pedal or failure to follow safe operating practices. NOTICE: • Welding and cutting operations may generate undesirable High Frequency (HF) and EMF energy. This can interfere with…

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Page 1 of 5 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. External Photos Photo 1 Photo 2 Wireless pedal FT06 Wireless pedal receiver FT06-R1 （EUT） Page 2 of 5 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 Page 3 of 5 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 5 Photo 6 Page 4 of 5 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 7 Photo 8 Page 5 of 5 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 9 Photo 10 ------End------

FCC ID Label FCC ID: 2A8BFNVA-FT06-R1

Page 1 of 2 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Internal Photos Photo 1 Photo 2 Antenna Page 2 of 2 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Photo 3 Photo 4 ------End------

RF Exposure evaluation FCC ID: 2A8BFNVA-FT06-R1 1.1. Applicable Standard According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to §1.1310 and §2.1093 RF exposure requirement KDB447498 v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 1.2. Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.23 “ [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. Manufacturing tolerance Bluetooth LE GFSK (Peak) 1Mbps Channel LCH MCH HCH Target (dBm) 2 2 2 Tolerance ±(dB) 1.0 1.0 1.0 2. Evaluation Result Standalone Antenna 1 Band/Mode f (GHz) Antenna Distance (mm) RF output power including tune up SAR Test Exclusion Threshold SAR Test Exclusion Estimated SAR dBm mW BT 2.55 32.000.631< 3 Yes 0.0841 Remark: 1. Output power including tune up tolerance; 2. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is applied to determine SAR test exclusion. 3. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06, No SAR is required. .....................End.........................

Page 1 of 36 Report No.: AIT22080812W2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. TEST REPORT Client Information: Applicant: Nova Industries Inc Applicant add.: 380 Swift Ave unit 12, South San Francisco, CA 94080 Manufacturer: NANTONG FREE MECHANTRONIC CO.,LTD Manufacturer add.: 269 XINSHENG ROAD NANTONG JIANGSU CHINA Product Information: Product Name: Wireless pedal receiver FT06-R1 Model No.: NVA-FT06-R1 Brand Name: NOVA FCC ID: 2A8BFNVA-FT06-R1 Applicable standards : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: Aug. 08, 2022 Date of Test: Aug. 08, 2022~ Aug. 21, 2022 Date of Issue: Aug. 22, 2022 Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba Huang Seal.chen Page 2 of 36 Report No.: AIT22080812W2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. 1 Contents Page COVER PAGE 1 CONTENTS .................................................................................................................................................................... 2 2 TEST SUMMARY .......................................................................................................................................................... 4 2.1 Statement of the Measurement Uncertainty .............................................................................. 4 2.2 Measurement Uncertainty ......................................................................................................... 4 3 TEST FACILITY ............................................................................................................................................................. 5 3.1 Deviation from standard ............................................................................................................ 5 3.2 Abnormalities from standard conditions .................................................................................... 5 3.3 Test Location ............................................................................................................................. 5 4 GENERAL INFORMATION ......................................................................................................................................... 6 4.1 Test frequencies ........................................................................................................................ 7 4.2 EUT Peripheral List ................................................................................................................... 7 4.3 Test Peripheral List ................................................................................................................... 7 4.4 TEST METHODOLOGY............................................................................................................ 8 4.5 Description of Test Modes ......................................................................................................... 9 5 EQUIPMENT USED DURING TEST ........................................................................................................................ 10 6 TEST RESULTS AND MEASUREMENT DATA .................................................................................................... 11 6.1 Antenna requirement .............................................................................................................. 11 6.2 On Time and Duty Cycle ......................................................................................................... 12 6.3 Maximum Conducted Output Peak Power Measurement ....................................................... 13 6.4 6 dB Spectrum Bandwidth Measurement ................................................................................ 15 6.5 Power Spectral Density ........................................................................................................... 16 6.6 Conducted Spurious Emissions and Band Edges Test ........................................................... 18 6.7 Restrict-band Band-edge Measurements ............................................................................... 20 6.8 Radiated Emissions Measurement ......................................................................................... 23 6.9 Conducted Emissions ............................................................................................................. 33 7 TEST SETUP PHOTOGRAPHS OF EUT ................................................................................................................ 36 8 EXTERNAL PHOTOGRAPHS OF EUT ................................................................................................................... 36 9 INTERNAL PHOTOGRAPHS OF EUT .................................................................................................................... 36 Page 3 of 36 Report No.: AIT22080812W2 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Revision History Revision Issue Date Revisions Revised By 000 Aug. 22, 2022 Initial Issue Seal Chen Page 4 of 36 Report No.: A…

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On-board Antenna Datasheet 1. Detailed dimensional specifications for the on-board antenna 2. Features ·Ultra-small size： 2.8*9.95mm ·50 ohm impedance ·Maximum gain: 1.29dBi ·Operates in the 2.4GHz band ·Manufacture： Nanjing Qinheng Microelectronics Co., Ltd 3. Antenna S parameter 10dB operating bandwidth: 58MHz Center band S11:[email protected] 4. Antenna impedance and VSWR Center point VSWR: [email protected] Center frequency point impedance: 50 ohms @ 2.438GHz 5. Antenna gain Maximum directional gain: 1.29dBi E-side

Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 1 of 24 Appendix B RF Test Data for BT (BLE) (Conducted Measurement) Product Name: Wireless pedal receiver FT06-R1 Trade Mark: NOVA Test Model: NVA-FT06-R1 Environmental Conditions Temperature: 256 C Relative Humidity: 52.4% ATM Pressure: 100.0 kPa Test Engineer: Simba Huang Supervised by: Seal Chen Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 2 of 24 Contents Page COVER PAGE 1 Duty Cycle ........................................................................................................................................................................................... 3 1.1 Test Result ............................................................................................................................................................................... 3 1.2 Test Graphs ............................................................................................................................................................................. 4 2 Maximum Conducted Output Power ................................................................................................................................................... 6 2.1 Test Result ............................................................................................................................................................................... 6 2.2 Test Graphs ............................................................................................................................................................................. 7 3 -6dB Bandwidth ................................................................................................................................................................................... 9 3.1 Test Result ............................................................................................................................................................................... 9 3.2 Test Graphs ........................................................................................................................................................................... 10 4 Maximum Power Spectral Density Level ........................................................................................................................................... 12 4.1 Test Result ............................................................................................................................................................................. 12 4.2 Test Graphs ........................................................................................................................................................................... 13 5 Band Edge ......................................................................................................................................................................................... 15 5.1 Test Result ............................................................................................................................................................................. 15 5.2 Test Graphs ........................................................................................................................................................................... 16 6 Conducted RF Spurious Emission ..................................................................................................................................................... 18 6.1 Test Result ............................................................................................................................................................................. 18 6.2 Test Graphs ........................................................................................................................................................................... 19 7 Restrict Band ..................................................................................................................................................................................... 22 7.1 Test Result ............................................................................................................................................................................. 22 7.2 Test Graphs ........................................................................................................................................................................... 23 Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 3 of 24 1 Duty Cycle 1.1 Test Result Mode Frequency (MHz) Duty Cycle (%) 1/T (kHz) BLE 1M 2402 20.51 2.5 BLE 1M 2440 20.1 2.5 BLE 1M 2480 20.52 2.5 Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 4 of 24 1.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 5 of 24 BLE 1M 2480MHz Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 6 of 24 2 Maximum Conducted Output Power 2.1 Test Result Mode Frequency (MHz)Conducted Power (dBm) Limit (dBm)Verdict BLE 1M 2402 1.13 30 Pass BLE 1M 2440 1.57 30 Pass BLE 1M 2480 1.94 30 Pass Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 7 of 24 2.2 Test Graphs Test Graphs BLE 1M 2402MHz BLE 1M 2440MHz Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 8 of 24 BLE 1M 2480MHz Dongguan Yaxu(AiT) Technology Limited Report No.: AIT22080812W2 FCC ID: 2A8BFNVA-FT06-R1 Page 9 of 24 3 -6dB Bandwidth 3.1 Test Result Mode Frequency (MHz) -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict BLE 1M 2402 0.649 0.5 Pass BLE 1M 2440 0.669 0.5 Pass BLE 1M 2480 0.693 0.5 Pass Dongguan Yaxu(AiT) Technology Limited Report No.: A…

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Page 1 of 2 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Test Setup Photo Radiated Emission Page 2 of 2 FCC ID: 2A8BFNVA-FT06-R1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. Conducted Emission ------End------