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AVSS PRS-M350 Manual

For dji m350 rtk
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PRS-M350 for DJI M350 RTK
Version 1.1
© 2023 AVSS – ALL RIGHTS RESERVED
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Summary of Contents for AVSS PRS-M350

  • Page 1 PRS-M350 for DJI M350 RTK Version 1.1 © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 2: Using This Manual

    PRS-M350(EX) USER MANUAL FOR DJI M350 RTK Using this Manual 1. Revision Notes Revision # Date Revision Description October 4, 2023 Initial Internal Release Added Firmware Update Procedure in Appendix C.3 for October 19, 2023 PRS-M300 Compatibility 2. Legends Warning...

  • Page 3: Table Of Contents

    PRS-M350(EX) USER MANUAL FOR DJI M350 RTK Using this Manual _____________________________________________________________ 2 Revision Notes _________________________________________________________________ 2 Legends ______________________________________________________________________ 2 Disclaimer ___________________________________________________________________ 5 Terms, Acronyms, & Abbreviations _______________________________________________ 6 Safety Instructions ____________________________________________________________ 7 Limitations __________________________________________________________________ 8 Operational & Environmental Conditions ____________________________________________ 8...
  • Page 4 Appendix B: IMU Calibration Instructions _________________________________________ 48 Appendix C: Additional Information _____________________________________________ 54 Pre-Flight FTS Check ___________________________________________________________ 54 Ground Risk Buffer Prescription __________________________________________________ 55 Firmware Update Process for Conversion From PRS-M300 to PRS-M350 __________________ 56 © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 5: Disclaimer

    AVSS – Aerial Vehicle Safety Solutions Inc. (AVSS) assumes no liability and/or ownership of any failure event that may occur while the system is attached to a DJI M350 RTK. The use of AVSS products is at the risk of the user.

  • Page 6: Terms, Acronyms, & Abbreviations

    When referring to a DJI M350 RTK, other relevant terms include Aircraft, RPAS, Drone sUAS, UAS, and UAV. The owner of the PRS-M350 who had purchased the system from an AVSS End-User Authorized Dealer. Flight Termination System is a device that will disable the propulsion system of the DJI M350 RTK.

  • Page 7: Safety Instructions

    Ensure PRS-M350 is Do not pick up the PRS-M350 when it is armed because the sensors may DISARMED before interpret the movements as an in-flight failure. Wait five to ten seconds for the moving it Autonomous Trigger System to disarm.

  • Page 8: Limitations

    OFF CAN CAUSE IT TO ARM IF ENVIRONMENTAL CONDITIONS ARE CHANGING (E.G., BAROMETER DRIFT). IF THE PRS-M350 IS INVOLVED IN A MAJOR CRASH, DO NOT REUSE THE PRS- M350 WITHOUT CONTACTING AVSS’S CUSTOMER SUPPORT AND SPEAKING WITH A REPRESENTATIVE BEFORE THE NEXT FLIGHT.

  • Page 9: Prs-M350 Overview

    2. General Use To use the PRS-M350 for a flight, the DJI M350 RTK can be unpacked from its case and set up according to DJI’s user manual. Once the aircraft is in its flight configuration, the AVSS bracket can be mounted to the DJI M350 RTK.

  • Page 10: Features

    An audible buzzer on the DJI M350 RTK will attempt to notify bystanders Audible Buzzer that the PRS-M350 has deployed and the DJI M350 RTK is descending. The parachute is designed to greatly reduce the descent velocity of the DJI Low Descent Rate M350 RTK in the event of a failure.

  • Page 11: Specifications

    PRS-M350(EX) USER MANUAL FOR DJI M350 RTK 2. Specifications OVERVIEW Total Weight 922 grams (2.03 lbs) Average Descent Rate 3.24 m/s (10.62 fps) (7.70 kg) Average Descent Rate 3.54 m/s (11.61 fps) (9.20 kg) Average Impact Energy 40.30 Joules (29.80 ft-lb) (7.70 kg)

  • Page 12: Payloads

    3. Payloads AVSS’s PRS-M350 typically works with the various DJI M350 RTK payload options that are provided by DJI and that have been developed to integrate through the DJI PSDK Port. As of 2020-10-01, the following payload combinations, if using the user manual data located on DJI’s and payload partners’...

  • Page 13: Warranty

    • AVSS hereby declares that the warranty shall be deemed void if the PRS-M350 is not used for the intended operational uses and/or if alterations, tampering, or any actions deemed comprising by AVSS, directly or indirectly, of the PRS-M350 This includes, but not limited to, non-standard use, the use of potentially disabling anti-operations technology, and/or unintended damage by the end-user.

  • Page 14: What's In The Box

    PRS-M350 USER MANUAL FOR DJI M350 RTK What’s in the Box: 1. Parts Included A. Parachute Pod™ G. FTS PSDK Module B. FTS Connector H. HR30 FTS Cable C. Electronic Module Manual Trigger Device with Battery D. Top Plate J. Allen Keys E.

  • Page 15: System Overview

    PRS-M350 USER MANUAL FOR DJI M350 RTK System Overview 1. Parachute Recovery System A. Parachute Pod™ F. Firing Pin Receptacles B. Electronic Module G. Orientation Key C. MicroSD Dust Cap for the H. Battery Door USB/microSD Card Slot D. Status LED Electrical Contacts E.

  • Page 16: Attachment Bracket

    PRS-M350 USER MANUAL FOR DJI M350 RTK 2. Attachment Bracket A. Top Plate B. Quarter Turns (2) C. Side Plates (2) D. Landing Gear Screws (8) E. Bracket Leg Connectors © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 17: Flight Termination System - Through Psdk

    PRS-M350 USER MANUAL FOR DJI M350 RTK 3. Flight Termination System – Through PSDK D. HR30 FTS Cable to Electronic A. FTS PPSDK Module Module Connector E. HR30 FTS Cable to FTS B. HR30 FTS Cable Female Connector Connector C. USB-C Connector to DJI M350 RTK PSDK Port ©...

  • Page 18: Manual Triggering Device

    PRS-M350 USER MANUAL FOR DJI M350 RTK 4. Manual Triggering Device A. Triggering Button F. Status LED B. Antenna G. Power Button C. Lanyard Attachment H. Sync Button D. Belt Clip USB-C Charging Port E. Arm Button © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 19: Installation

    PRS-M350 USER MANUAL FOR DJI M350 RTK Installation ENSURE BOTH THE PRS-M350 AND DJI M350 RTK ARE OFF DURING INSTALLATION UNLESS REQUIRED FOR COMPLETING THE STEP. 1. Electronic Module Turning on the PRS-M350 Turn on To turn on PRS-M350, press on the...

  • Page 20: Parachute Pod

    PRS-M350 USER MANUAL FOR DJI M350 RTK 2. Parachute Pod™ • ONLY REMOVE THE PARACHUTE POD IF THE PARACHUTE HAS BEEN DEPLOYED. • ENSURE THAT THE PRS-M350 IS OFF BEFORE REPLACING THE POD. Attaching and changing the Parachute Pod™ Remove...

  • Page 21: Attachment Bracket

    PRS-M350 USER MANUAL FOR DJI M350 RTK 3. Attachment Bracket First Time Use Bracket Leg Connectors for the DJI M350 RTK Unscrew and remove the M350 landing gear. Then, align the landing gear spacers to the bottom of the side Attachment brackets.
  • Page 22 PRS-M350 USER MANUAL FOR DJI M350 RTK Ongoing Use Installing the Attachment Bracket Before Use After completing the first time install Spacers Step 1 steps, the DJI M350 RTK and PRS-M350 Prepared are ready to be attached for flight. Standing behind the drone, take the...
  • Page 23 PRS-M350 USER MANUAL FOR DJI M350 RTK Rotate the plate towards the back of Rear Side the DJI M350 RTK until the hook Step 5 Plates latches into the block. A click should be felt/heard. Take the front side plate and ensure...
  • Page 24 PRS-M350 USER MANUAL FOR DJI M350 RTK Ensure that both side brackets are fully Step 10 Top Plate inserted. The flat surface on which the top plate will rest should be flat. Bend the front side plates outwards as Step 11 Top Plate shown.
  • Page 25 PRS-M350 USER MANUAL FOR DJI M350 RTK Push the top plate towards the back of Step 15 Top Plate the drone such that it locks with the hooks on the side plates. Push the front side plate inwards so Step 16 Top Plate that it rests against the top plate.

  • Page 26: Psdk Flight Termination System Firmware Configuration

    PRS-M350 USER MANUAL FOR DJI M350 RTK 4. PSDK Flight Termination System Firmware Configuration Ongoing Use Connecting PRS-M350 FTS PSDK Module. Open the DJI Step 1 M350 RTK PSDK Open PSDK port. Port Orient the PRS- Align the PRS-M350 FTS PSDK...
  • Page 27 First Time Use & After Firmware Updates The PRS-M350 uses the DJI M350 RTK Onboard SDK (PSDK) to instigate flight termination. The flight termination system shuts off the DJI M350 RTK motors prior to the deployment of the Parachute Pod™.
  • Page 28 PRS-M350 USER MANUAL FOR DJI M350 RTK Log in to DJI Log in to your DJI Account. If you do not have an account, you will need Step 4 Assistant 2 to create one. © 2023 AVSS – ALL RIGHTS RESERVED...
  • Page 29 PRS-M350 USER MANUAL FOR DJI M350 RTK Open the settings tab in the top right of the window. Configure the data Configure Step 5 authorization settings to allow for data authorization of the Onboard SDK Settings APP ID. Turn on the authorizations as shown.
  • Page 30 PRS-M350 USER MANUAL FOR DJI M350 RTK Select the “Onboard SDK” tab from the left side menu. In this new Configure DJI window, complete the following: Step 9 M350 RTK • Select “Enable API Control” via checkbox on the top left.
  • Page 31 PRS-M350 USER MANUAL FOR DJI M350 RTK Step Turn Off PRS Turn off the PRS. Once complete, turn off the DJI M350 RTK. and Drone Step Close DJI Once the PRS and DJI M350 RTK are off, close DJI Assistant.
  • Page 32 PRS-M350 USER MANUAL FOR DJI M350 RTK Reconnect to Step Once again, the DJI Assistant 2 app will recognize that the DJI M350 RTK is Drone in DJI available. Click on the icon to connect to the drone. Assistant 2 Return to the Onboard SDK tab using the left side menu.
  • Page 33 PRS-M350 USER MANUAL FOR DJI M350 RTK Step Cycle PRS Turn the PRS OFF. Wait a moment and then turn the PRS back ON. After a Power moment, the LED will blink purple and blue. Turn the PRS OFF. Wait a moment and then turn the PRS back ON. Now...

  • Page 34: Battery & Charging

    Battery & Charging 1. Battery Safety • The PRS-M350 EM is equipped with an independent 1S LiPO battery to supply power. • The PRS-M350 EM and manual triggering device (manual remote) shall be charged before use and only by an AVSS supplied or approved USB-C Cable.

  • Page 35: Changing Electronic Module Battery

    PRS-M350 USER MANUAL FOR DJI M350 RTK 3. Changing Electronic Module Battery Replacing PRS-M350 Battery Using the knob, turn the knobs to Turn the Step 1 open the battery compartment Battery Knobs door. Open Battery Using the knob, turn and open the...

  • Page 36: Firmware & Sd Card

    PRS-M350 USER MANUAL FOR DJI M350 RTK Firmware & SD Card 1. MicroSD Card Removing and/or Inserting the SD Card Pull the tab on the charging port cover to open it. The tab Step 1 Open Door will open with a hinged door that opens to the right, towards the power button.

  • Page 37: Firmware Updates

    PRS-M350 USER MANUAL FOR DJI M350 RTK 2. Firmware Updates Firmware updates should be performed when a new version is released by AVSS. Check the AVSS website regularly for firmware updates. Updating the Firmware Follow the steps in Manual Synchronize...
  • Page 38 PRS-M350 USER MANUAL FOR DJI M350 RTK Keep the remote at least 3 meters away from the DJI M350 RTK, then turn on the remote. The remote firmware will now update and the LED should be white. When the Turn on the...

  • Page 39: Status Indications

    The PRS-M350 status, also referenced as “Heartbeat” is indicated using a combination of LED color and buzzer signals. The PRS-M350 Status LED is located next to the ON/OFF switch. The LED color on PRS- M350 and manual triggering device indicates the stage of the flight. The manual triggering device LED indicates its state for 2 seconds and blinks the color of the PRS-M350 when a connection is established.

  • Page 40: Manual Triggering Device Synchronization

    Repeat to increase the channel further. Number of channels depends on the local regulations. 4. Hold the Sync button on the PRS-M350 and while turning it on. The LED should be white. 5. Hold the Sync button on the manual triggering device and turn it on.

  • Page 41: Operating Procedures

     Ensure the foam spacers are still secure to the bracket  Insert Attachment Bracket legs, two per side, to the bracket leg connectors  Ensure that the PRS-M350 top plate and main system are securely attach  Verify that bracket is secure to the DJI M350 RTK ...

  • Page 42: In-Flight Checklist

    6. Post-Flight Checklist (No Deployment)  Ensure PRS-M350 is disarmed before approaching the DJI M350 RTK  DO NOT STAND DIRECTLY OVER THE PRS-M350 WHEN APPROACHING THE DJI M350 RTK  Turn off PRS-M350 BEFORE handling the DJI M350 RTK ...

  • Page 43: Maintenance & Care

    The PRS-M350’s Electronic Module is expected to reliably function for several parachute deployments so long as no damage is imparted to the module. The PRS-M350’s Parachute Pod™ is intended as a single-use item that can be quickly removed and replaced in the field; however, the PRS-M350 must be repacked in one (1) year intervals.

  • Page 44: Frequently Asked Questions

    PRS-M350 USER MANUAL FOR DJI M350 RTK Frequently Asked Questions Go to https://www.avss.co/products/product- How do I register my PRS-M350? registration/ When does the ATS Arm? 43 meters When does the Manual Triggering By the pilot initializing the manual triggering device Device Arm? through the “arm”...

  • Page 45: Parachute Pod™ Deployment Procedures

    Parachute Pod™ Deployment Procedures The Parachute Pod™ must be repacked annually. To return a used and/or unused Parachute Pod™, an end-user may do so by sending the Parachute Pod™ directly to AVSS or by returning the Parachute Pod™ to their Authorized Dealer.

  • Page 46: Customer Support

    PRS-M350 USER MANUAL FOR DJI M350 RTK Customer Support customersupport@avss.co Email: Monday to Friday, excluding holidays Telephone: 10:00 am Est to 4:00 pm Est +1-844-852-0665 © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 47: Appendix A: Dji M350 Rtk & Payload References

    2020-09-01 https://www.dji.com/ca/zenmuse-h20-series/specs DJI H20T 2020-09-01 https://terra-1- U10 Methane 2019-10-09 g.djicdn.com/851d20f7b9f64838a34cd02351370894/others/EN- a5_U10%20Gas%20Detector_en_format_191009.pdf https://terra-1- Wingsland Z15 2019-09-16 g.djicdn.com/851d20f7b9f64838a34cd02351370894/others/Z15_Spot light_en.pdf https://dl.djicdn.com/downloads/zenmuse_xt/en/Zenmuse_XT_User_ Zenmuse XT 2016-07-11 Manual_V1.2_en_0708.pdf https://dl.djicdn.com/downloads/Zenmuse%20XT%202/Zenmuse%20 Zenmuse XT 2 2018-05-11 XT%202%20User%20Manual%20v1.0_.pdf https://dl.djicdn.com/downloads/zenmuse_z30/20180810/Z30_User_ Zenmuse Z30 2018-10-08 Manual_EN.pdf © 2023 AVSS – ALL RIGHTS RESERVED...

  • Page 48: Appendix B: Imu Calibration Instructions

    There are two methods of calibrating the IMU on the PRS-M350, either by placing the PRS- M350 in the travel box or keeping the PRS-M350 on the drone. The preferred method is in the box; however, if the box cannot be located, performing the calibration on the drone is acceptable.
  • Page 49 PRS-M350 USER MANUAL FOR DJI M350 RTK Step 4 Close the box. Rotate the box 90 degrees towards the Step 5 latched end and allow the box to stand on this end for 5 seconds. Rotate the box 90 degrees in the opposite...
  • Page 50 If the calibration is successful three beeps If the calibration is unsuccessful the LED Step 10 will start from the PRS-M350 and the PRS will continue to flash and the beeping will will auto shutdown in 5 seconds. sound, go back to step 2 and re-calibrate.
  • Page 51 PRS-M350 USER MANUAL FOR DJI M350 RTK PRS-M350 IMU Calibration on the Drone Remove the props from the drone and Step 1 keep it on a level surface. Turn on the PRS-M350. The PRS-M350 Step 2 should be beeping and flashing red Tilt the drone backward 90 degrees.
  • Page 52 PRS-M350 USER MANUAL FOR DJI M350 RTK Bring the drone back to level and then tilt Step 4 it forward 90 degrees. Hold steady for 5 seconds. Bring the drone back to level and then tilt Step 5 it towards the right 90 degrees. Hold steady for 5 seconds.
  • Page 53 PRS-M350 USER MANUAL FOR DJI M350 RTK Bring the drone back to level and leave it Step 7 for 20 seconds. If the calibration is successful three beeps If the calibration is unsuccessful the LED will start from the PRS-M350...

  • Page 54: Appendix C: Additional Information

    1. Pre-Flight FTS Check The PRS-M350 allows for a pre-flight FTS check on the ground for the DJI M350 RTK. This pre-flight check is only enabled on the ground with the motors initially disarmed. This PRS-M350 mode is only enabled for 1 minute, after which the PRS-M350 will auto shutdown and must be restarted.

  • Page 55: Ground Risk Buffer Prescription

    PRS-M350 is now ready to fly. Remote The PRS-M350 will automatically shut down after 1 minute if the FTS is not triggered in FTS-mode. If the PRS-M350 is manually restarted before the FTS is triggered or before the timeout then the remote may still be in FTS mode.

  • Page 56: Firmware Update Process For Conversion From Prs-M300 To Prs-M350

    (DBM300) and add extract these “sfb” files. Copy them to the SD card of the PRS- M350 and place the SD card back in the PRS-M350. 4. Connect the PRS-M350 to the DJI M350 RTK. The connector should be on the side of the PRS- M350 that does NOT have a dust cap.

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