2AQ3F-CGM1LEE GUITARS Bluetooth Thermo-Hygrometer

LEE GUITARS Bluetooth Thermo-Hygrometer User Manual FA Q Answer/SolutionQuestion Please check whether the battery is placed correctly. If it is, please replace it. The environment temperature exceeded the measuring range of the product. Please put the product in a normal indoor environment. The temperature and humidity sensor is malfunctioning. No content shows on the screen E1 shows on the screen E2 shows on the screen Qingping Technology (Beijing) Co., Ltd. Address: Room 401, Block B, Fangheng Times Square, No.10 Wangjing Street, Chaoyang District, Beijing 100102, China Website: qingping.co Email: [email protected] SensorScreen 1. Within 7 days from the date of the receipt, if the product has faults that listed in the “Performance Faults”, after the faults are confirmed by our after-sales service department, the customer can have the refund or exchange the product for free. 2. From the 8th to the 15th day after the receipt, if the product has faults that listed in the “Performance Faults”, after the faults are confirmed by our after-sales service department, the customer can have a replacement or repair service for free. 3. Within 12 months from the date of receipt, if the product has faults that listed in the “Performance Faults”, after the faults are confirmed by our after-sales service department, the customer can have the maintenance service for free. Attention Do not block the vent hole of the sensor. This product is not waterproof or dust-proof. Do not use the product for too long in an environment where humidity is greater than 90%. Do not throw the battery or the product with the battery into the fire to avoid an explosion. Do not disassemble the product by yourself to avoid injury. When you don’t use this product for a long time, please take out the batteries to avoid the damage caused by the possible battery leakage. Non-warranty 1. Unauthorized repair, misuse, collision, negligence, abuse, liquid injection, accident, alteration, improper use of accessories not originally supplied with this product. 2. The warranty period has expired. 3. Damage caused by force majeure. 4. The situation does not meet the fault listed in the Performance Faults. Performance Faults Warranty When the specified app is correctly installed on the mobile phone and Bluetooth of the mobile phone is on, and the distance between the mobile phone and the product is in the Bluetooth transmission range, the app still unable to connect the product. When a battery with sufficient power is correctly placed in the product, the screen of the product still does not display any content, or the content displayed on the screen is abnormal. The button cannot be pressed down, or cannot bounce back after releasing. When the temperature and humidity in the use environment are stable and haven’t exceeded the measuring ranges of the product, the product still cannot correctly display the temperature and humidity readings. Thank you for using LEE GUITARS Bluetooth Thermo-Hygrometer. Insert Battery Press the battery cover with two thumbs on the back of the device, turn it counterclockwise to unlock and remove the battery cover. Connect to Lee Guitars App After installing the app, please open it and add a device, select “LEE GUITARS Bluetooth Thermo-Hygrometer”, and then follow the instructions. Note: when connecting to the app, make sure Bluetooth of your phone is enabled. There should be no obvious obstacle between the phone and the LEE GUITARS Bluetooth Thermo-Hygrometer. And the distance between these two devices should be less than 5 meters. Insert a CR2302 button battery into the compartment and put back the battery cover — turn it clockwise until it clicks shut. And LEE GUITARS Bluetooth Thermo-Hy- grometer will start automatically. Lee Guitars app provides guitar care suggestions and exportable temperature and humidity data recorded from LEE GUITARS Bluetooth Thermo-Hygrometer. Please visit qingping.co/lee-guitars/app or scan the QR code below to download the app： Change Temperature Unit Press the button on LEE GUITARS Bluetooth Thermo-Hygrometer to switch the temperature display unit to Fahrenheit (°F) or Celsius (°C). Supported Instruments LEE GUITARS Bluetooth Thermo-Hygrometer can be used for acoustic guitar with different sizes as well as other instruments. We suggest to remove the LEE GUITARS Bluetooth Thermo-Hygrometer from your instrument while playing. Setup LEE GUITARS Bluetooth Thermo-Hygrometer Attach the screen of LEE GUITARS Bluetooth Thermo-Hygrometer on the edge of a guitar’s sound hole, then bend the middle part and put the sensor into the sound hole until two magnets are attracted side by side. 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 expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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 the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference 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 try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment an…

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Page 1 of 1 Test Lab Attestation Letter Date of Test: March 12-13, 2020 Applicant Name: Qingping Technology (Beijing) Co., Ltd. FCC ID: 2AQ3F-CGM1 Test Items: FCC Part 15.247 Name of Engineer Performing Test: Bob Wang Statement of Compliance: Shenzhen Accurate Technology Co., Ltd. declares that this Unit has been tested in accordance with the test method identified in this test report and that we observed it being tested. It also declares that the Unit complies with the relevant limits. All instrumentation and accessories used to test this unit for compliance to the indicated test method are calibrated regularly in accordance with ISO 17025:2005 requirements by laboratories accredited by A2LA, NVLAP, or ACLAS for the measurement parameters. The measurements were made at: Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Test Lab Witness- Shenzhen Accurate Technology Co., Ltd. Signature of Test Lab Witness: Full Name, Typed: Bob Wang Title of Witness: Engineer Email Address: [email protected] Phone No.: +86-755-26503808 Test Lab Stamp:

FCC ID: 2AQ3F-CGM1 Model No.: CGM1 External Photos

Model: CGM1 FCC Test Report Page 1 of 1 Label and Information FCC Label Sample FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location ***** END OF REPORT *****

FCC ID: 2AQ3F-CGM1 Model No.: CGM1 Internal Photos Antenna

RF Exposure Requirements Product Description: LEE GUITARS Bluetooth Thermo-Hygrometer Model No.: CGM1 FCC ID: 2AQ3F-CGM1 According to the KDB 447498 D01 v06 section 4.3.1, for 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 calculation17 - The result is rounded to one decimal place for comparison Calculation Result: Tx frequency range: 2402-2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power:2dBm Tune-Up output power: 2dBm RF channel transmit frequency: 2402MHz Result: 0.49 Limit: 3.0 The exclusion thresholds is 0.49 < 3, so the transmitter complies with the RF exposure requirements and the SAR is not required.

Report No.: ATE20200172 Page 1 of 53 FCC ID: 2AQ3F-CGM1 Shenzhen Accurate Technology Co., Ltd. APPLICATION CERTIFICATION FCC Part 15C On Behalf of Qingping Technology (Beijing) Co., Ltd. LEE GUITARS Bluetooth Thermo-Hygrometer Model No.: CGM1 FCC ID: 2AQ3F-CGM1 Prepared for : Qingping Technology (Beijing) Co., Ltd. Address : Room 401, Block B, Fangheng Times Square, NO.10 Wangjing Street, Chaoyang District, Bejing, China Prepared by : Shenzhen Accurate Technology Co., Ltd. Address : 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report No. : ATE20200172 Date of Test : March 12-13, 2020 Date of Report : March 17, 2020 Report No.: ATE20200172 Page 2 of 53 FCC ID: 2AQ3F-CGM1 Shenzhen Accurate Technology Co., Ltd. TABLE OF CONTENTS Description Page Test Report Certification 1. GENERAL INFORMATION .......................................................................................................... 5 1.1. Description of Device (EUT)....................................................................................................................5 1.2. Carrier Frequency of Channels .................................................................................................................5 1.3. Special Accessory and Auxiliary Equipment ...........................................................................................6 1.4. Description of Test Facility ......................................................................................................................6 1.5. Measurement Uncertainty.........................................................................................................................6 2. MEASURING DEVICE AND TEST EQUIPMENT ..................................................................... 7 3. OPERATION OF EUT DURING TESTING ................................................................................. 8 3.1. Operating Mode ........................................................................................................................................8 3.2. Configuration and peripherals ..................................................................................................................8 4. TEST PROCEDURES AND RESULTS ......................................................................................... 9 5. 6DB BANDWIDTH TEST..............................................................................................................10 5.1. Block Diagram of Test Setup..................................................................................................................10 5.2. The Requirement For Section 15.247(a)(2) ............................................................................................10 5.3. EUT Configuration on Test ....................................................................................................................10 5.4. Operating Condition of EUT ..................................................................................................................10 5.5. Test Procedure ........................................................................................................................................10 5.6. Test Result ..............................................................................................................................................11 6. MAXIMUM PEAK OUTPUT POWER TEST ............................................................................ 15 6.1. Block Diagram of Test Setup..................................................................................................................15 6.2. The Requirement For Section 15.247(b)(3)............................................................................................15 6.3. EUT Configuration on Test ....................................................................................................................15 6.4. Operating Condition of EUT ..................................................................................................................15 6.5. Test Procedure ........................................................................................................................................15 6.6. Test Result ..............................................................................................................................................16 7. POWER SPECTRAL DENSITY TEST........................................................................................ 20 7.1. Block Diagram of Test Setup..................................................................................................................20 7.2. The Requirement For Section 15.247(e).................................................................................................20 7.3. EUT Configuration on Test ....................................................................................................................20 7.4. Operating Condition of EUT ..................................................................................................................20 7.5. Test Procedure ........................................................................................................................................21 7.6. Test Result ..............................................................................................................................................21 8. BAND EDGE COMPLIANCE TEST ........................................................................................... 25 8.1. Block Diagram of Test Setup..................................................................................................................25 8.2. The Requirement For Section 15.247(d) ................................................................................................25 8.3. EUT Configuration on Test .................…

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FCC ID: 2AQ3F-CGM1 Model No.: CGM1 Te s t P h o t o