2BHPVEC-001329Digga Halo

1 OPERATOR’S MANUAL PM-000198-C PM-000198-C - DIGGA HALO OPERATORS MANUAL JULY 20252 MY.DIGGA.COM S C A N T H I S Q R C O D E ACCESS OPERATOR MANUALS RISK ASSESSMENTS AND MORE TABLE OF CONTENTS TABLE OF CONTENTS ....................................................................................3 FCC WARNING STATEMENT ..........................................................................4 OPERATION .....................................................................................................5 FAQ ..................................................................................................................6 BATTERY .........................................................................................................7 SERVICING AND DISASSEMBLING NOTES ................................................10 HALO COMPONENTS AND OPTIONALS .....................................................11 TROUBLE SHOOTING ..................................................................................12 NOTES ...........................................................................................................13 WARRANTY ...................................................................................................15 PM-000198-C - DIGGA HALO OPERATORS MANUAL JULY 20254 FCC WARNING STATEMENT ⚠ WARNING Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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. 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 equiment 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 and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. To maintain compliance with FCC’s RF exposure guidelines, the distance must be at least 20cm between the radiator and your body, and fully supported by the operating and installation configurations of the transmitter and its antenna(s). 5 Main function The Halo alignment system measures the angle of the drive with respect to plumb. With this measurement, the Halo displays a sequence of colours on a circular LED array that is visible to the machine operator. The LED array changes colour with the angle of the drive, showing ‘all green’ when very close to plumb (within 1.5°). When the drive is slightly off plumb (by more than 1.5°) the LEDs will change from all green to partially green and red, showing the operator which way to manoeuvre the drive to return to plumb. The operator should move their machine in the direction of the green portion of the LED array. When the drive is hanging free when the machine is not operational, the LED sequence may appear to be incorrect or ‘backwards’ when tilting the drive about the hitch. It’s not until the drive pivots about the end of the auger/pile that the Halo system will make sense to the operator. Start-up Make sure the auger drive is hitched and hanging approximately plumb before connecting the power supply. After connecting the power supply, the auger drive with Halo must be still (not moving) for 30 seconds. During this time you may notice the lights moving even though the drive is still. After 30 seconds, the Halo will have finished the start-up calibration will be showing the correct LED sequences. Powering the Halo The Halo system is offered with a variety of power options. The basic version of the Halo is powered by the 12V/24V auxiliary power from the cab (otherwise known as a cigarette socket). The basic version does not include any ‘zero’ capability or data capability. The Halo can also be powered by a custom built magnetic battery which also features a ‘zero’ switch for drilling at angles and to increase accuracy for piling applications. The Halo battery can be connected to the system at the boom or in the cab via any combination of Halo extension cables. Limitations The Halo uses 6-way sensor fusion to measure the orientation of the drive. Because there is a certain amount of mechanical play between the auger/pile and the drive itself, the operator should be aware of this limitation and that the Halo LED array is displaying the orientation of the drive, not the auger/pile. The inner workings of the inclinometer are susceptible to heavy vibration and jolting. Whilst a lot of effort and testing has gone into minimizing these effects for regular use, drilling into rocky or tough ground will produce ‘shocks’ to the OPERATION PM-000198-C - DIGGA HALO OPERATORS MANUAL JULY 20256 drive (also felt through the operator) which will temporarily show an incorrect reading of the angle data on the LED array (similar to ‘knocking’ a spirit level with a hammer whilst taking a reading). If the operator wishes to take an accurate reading to gauge the orientation of the drive, simply stop the rotation of the auger or pile for a brief moment and the system will display a …

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DIGGA AUSTRALIA PTY LTD FCC lD: 2BHPVEC-001329 POWER OF ATTORNEY Date: April28,2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 2L046 To Whom lt May Concern We, the undersigned, hereby authorize Waltek Testing Group (Foshan) Co., Ltd. (Dara Zhou) on our behall to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Foshan) Co., Ltd. (Dara Zhou) on our behalf shall have the same effect as acts of our own. This authorization expires on April 28,2026 . This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, DIGGA AUSTRALIA Pry LTD are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, DIGGA AUSTRALIA PTY LTD Signature ROY SETARO/PROJ ECT ENGI N EER Typed name and Title

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 1 of 7 Picture 1 Picture 2 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 2 of 7 Picture 3 Picture 4 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 3 of 7 Picture 5 Picture 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 4 of 7 Picture 7 Picture 8 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 5 of 7 Picture 9 Picture 10 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 6 of 7 Picture 11 Picture 12 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 7 of 7 Picture 13 Picture 14

PATENTED - for information: www.digga.com/patents/ BLUETOOTH Model: EC - 001329 Product Name: Bluetooth Battery FCC ID: 2BHPVEC-001329 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 DE -002343 SOLID GREEN Bluetooth ON FLASH BLUE Ready to Pair SOLID BLUE Paired BY MADE IN AUSTRALIA 18 DE -002343-1 Manufacturer: Digga Australia PTY LTD 4 Octal Street Yatala, QLD 4207, Australia Contact: [email protected] Website: www.digga.com

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 1 of 9 Picture 1 Picture 2 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 2 of 9 Picture 3 Picture 4 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 3 of 9 Picture 5 Picture 6 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 4 of 9 Picture 7 Picture 8 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 5 of 9 Picture 9 Picture 10 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 6 of 9 Picture 11 Picture 12 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 7 of 9 Picture 13 Picture 14 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 8 of 9 Picture 15 Picture 16 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 9 of 9 Picture 17

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn RF Exposure Requirements 1.1 General Information Client Information Applicant ....................................... : Digga Australia Pty Ltd Address of applicant ................... : 4, Octal St Yatala, QLD, 4209, Australia Manufacturer ................................. : The same as above Address of manufacturer ............. : The same as above General Description of E.U.T FCC ID ............................................ : 2BHPVEC-001329 Product Name ............................... : Digga Halo Model No. ...................................... : HALO BT Model Description ........................ : --- Rated Voltage ................................ : DC 12V, 43W Battery Capacity ........................... : --- Power Adapter .............................. : --- Technical Characteristics of EUT Bluetooth Version ......................... : Bluetooth LE Frequency Range ......................... : 2402-2480MHz RF Output Power .......................... : -2.53dBm (Conducted ) Modulation..................................... : GFSK Data Rate ....................................... : 1Mbps Quantity of Channels ................... : 40 Channel Separation ...................... : 2MHz Type of Antenna ........................... : PCB Antenna Antenna Gain ................................ : 4.1dBi Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn 2 Applicable Standard According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, system operating under the provisions of this section shall be operating in a manner that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. (a) Limits for Occupational / Controlled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 / / F/300 6 1500-100000 / / 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times | E | 2 , | H | 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 / / F/1500 30 1500-100000 / / 1 30 Note: f = frequency in MHz: * = Plane-wave equivalents power density 3 Calculation Method S = (30*P*G) / (377*R 2 ) S = power density (in appropriate units, e.g., mw/cm 2 ) P = power input to the antenna (in appropriate units, e.g., mw) G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor is normally numeric gain. R = distance to the center of radiation of the antenna (in appropriate units, e.g., cm), R=20cm. 4 MPE Calculation Result Frequency (MHz) Antenna Gain (dBi) Numeric gain Conducted Power (dBm) Maximum Tune-up output power PD (mW/cm2) Limit (mW/cm2) (dBm) (mW) 2402 4.1 2.57 -2.53 -2.00 0.63 0.00032 1.0 Result: Pass ======End of Report======

Our Bluetooth speaker’s antenna is directly made on the Main PCB board. The antenna is copper potable tin injection process, copper foil thickness: 1OZ, sheet material is FR - 4 thickness 1.6mm material. Jinan Huamao Technology Co.,Ltd HM-1X PCB BT Antenna Test Report 1.Introduction of antenna 1.Antenna Introduction 2.Manufacturer information 2.Antenna shape 1.Size The Bluetooth antenna operates at 2402-2480MHz and generates resonance in this frequency band. The next table is the main parameter of the antenna. Bluetooth built-in antenna Frequency(MHz)2402 ~ 2480 MHz Impedance50 Ohm Nominal Gain (Peak)3.3dBi PolarizationLinear, Vertical ModulationGFSK(Gaussian Frequency Shift Keying) ConnectorTin 3.Antenna parameters 4. Antenna gain detection report 1.Maximum gain value 2.Directional map 3.Bandwidth 4.Reflection

Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Page 1 of 33 WT-510-201-12-A TEST REPORT Reference No. .................... : WTF24F05118036W FCC ID ................................ : 2BHPVEC-001329 Applicant ............................ : Digga Australia Pty Ltd Address .............................. : 4, Octal St Yatala, QLD, 4209, Australia Manufacturer .................... : The same as above Address .............................. : The same as above Product Name .................... : Digga Halo Model No. ........................... : HALO BT Test specification .............. : FCC CFR47 Part 15 Subpart C (Section 15.247) Date of Receipt sample .... : 2025-04-14 Date of Test........................ : 2025-04-17 Date of Issue ...................... : 2025-07-08 Test Report Form No. ....... : WEW-15247A-01B Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of approver. Prepared By: Waltek Testing Group (Foshan) Co., Ltd. Address: 1/F., Building 19, Sunlink Machinery City, Xingye 4 Road, Guanglong Industrial Park, Chihua Neighborhood Committee, Chencun, Shunde District, Foshan, Guangdong, China Tel:+86-757-23811398 Fax:+86-757-23811381 E-mail:[email protected] Tested by: Approved by: Kyrie Yun Danny Zhou Reference No.: WTF24F05118036W Page 2 of 33 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 1 Revision History Test Report No. Date of Issue Description Status WTF24F05118036W 2025-07-08 Original Valid Reference No.: WTF24F05118036W Page 3 of 33 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 2 Contents Page 1 REVISION HISTORY................................................................................................................................. 2 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION ....................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 3.2 TECHNICAL CHARACTERISTICS OF EUT ........................................................................................... 4 3.3 STANDARDS APPLICABLE FOR TESTING ............................................................................................ 4 3.4 TEST FACILITY ................................................................................................................................ 5 3.5 SUBCONTRACTED ........................................................................................................................... 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 3.7 DISCLAIMER .................................................................................................................................... 5 4 EUT SETUP AND TEST MODE ................................................................................................................ 6 5 EQUIPMENT USED DURING TEST ......................................................................................................... 7 5.1 EQUIPMENT LIST ............................................................................................................................. 7 5.2 TEST SOFTWARE ............................................................................................................................ 8 5.3 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ......................................................................... 8 5.4 MEASUREMENT UNCERTAINTY ......................................................................................................... 8 6 SUMMARY OF TEST RESULT ................................................................................................................ 9 6.1 ANTENNA REQUIREMENT ............................................................................................................... 10 6.2 RADIATED SPURIOUS EMISSIONS ................................................................................................... 11 6.3 POWER SPECTRAL DENSITY .......................................................................................................... 21 6.4 DTS BANDWIDTH .......................................................................................................................... 23 6.5 RF OUTPUT POWER ...................................................................................................................... 25 6.6 OUT OF BAND EMISSIONS .............................................................................................................. 27 7 PHOTOGRAPHS TEST SETUP ............................................................................................................. 32 7.1 PHOTOGRAPHS - RADIATED EMISSION TEST SETUP ........................................................................ 32 8 PHOTOGRAPHS – EUT CONSTRUCTIONAL DETAILS ...................................................................... 33 Reference No.: WTF24F05118036W Page 4 of 33 Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn WT-510-201-12-A 3 General Information 3.1 General Description of E.U.T Product Name ............................... : Digga Halo Model No. ..................................... : HALO BT Model Description ........................ : --- Rating ............................................ : DC 12V, 43W Battery Capacity ........................... : --- Power Adapter .............................. …

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Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 1 of 2 Test Setup For Radiated Emission (30MHz to 1GHz) Test Setup For Radiated Emission (Above 1GHz) Waltek Testing Group (Foshan) Co., Ltd. http://www.waltek.com.cn Reference No.: WTF24F05118036W Page 2 of 2