Pre-Flight Checklist

☐ Flight Plan Preparation

• Confirm Mission Requirements:
  • Power on sensor.
  • Static initialization for period of 30 seconds to one minutes while recording data on the ground (if you can do a couple of minutes, even better, but 30 seconds to one minute is sufficient for PPK).
  • After takeoff, get up to altitude, then fly laterally (high velocity to engage navigation filter/heading corrections), at least 5m/s for 5 seconds.
  • Perform a figure 8 (programmed into flight plan);
  • Perform mission. For mission avoid sharp turns, smooth turns are critical. In corridor mapping consider S-shaped dynamics every ~2-3 minutes of straight corridor lines. You may land and hot-swap batteries as needed without needing to perform calibrations again as long as you do not terminate logging or shut off the drone/sensor.
  • After flight mission is complete, perform another figure 8 (also programmed into flight plan).
  • Fly laterally (high velocity to engage navigation filter/heading corrections in reverse solution), at least 5m/s for 5 seconds.
  • After landing perform static initialization for period of 30 seconds to one minute on the ground.
  • Shut down sensor.

☐ Mission Area Assessment

• Choose a take-off and landing location with strong GNSS signal quality.
• Avoid proximity to trees, buildings, or reflective surfaces.
• Confirm no nearby interference from radios or obstructions.

☐ High Altitude Flight Preparation

• If flying above 50 meters AGL, and using a Livox Avia, enable High Sensitivity Mode:
  • GUI → Settings > LiDAR Service → Enable “High Sensitivity Mode”
• For XT-32 scanners, no change is required.

☐ Base Station Setup (if applicable)

• Place the base station in an open area with clear sky view.
• It should record all available GNSS constellations (GPS, GLONASS, Galileo, BeiDou, QZSS, Navic).
• Confirm that it records in a PCMasterPro-compatible format.
• If using a public base station, ensure it is within 40 km of the flight area (preferably closer).

☐ Power Connection

• Connect RESEPI or equivalent to power via one of the following:
  
  • XT60
  • Skyport/Other
  • Binder Connector
  • Ethernet (GEN-II only)
• Ensure power supply is 9–36VDC (up to 45V max) with 24–28W available.

☐ Web Interface Access

• Connect to the RESEPI’s or EchoONE’s Wi-Fi.
  • SSID is printed on the unit label.
  • Password: LidarAndINS
  • Access the Web GUI at 192.168.12.1 using a laptop or mobile device.

☐ Data Management

• Offload all data and flights from the USB drive and/or SSD to ensure adequate space.

☐ USB and Storage Verification

• Use only the provided RESEPI-certified USB drive.
• Confirm that the USB is securely inserted into a supported port.
• Avoid using ports reserved for other onboard components (e.g., camera).

☐ Firmware Check

• Ensure the RESEPI or EchoONE is running the latest firmware version.
• You can find the firmware version in the top right corner of the GUI.

☐ Vehicle to IMU Rotation

• Go to Settings > Geometry > Vehicle to IMU Rotation.
• Ensure the rotation offsets reflect the mounted orientation on the aircraft.
• Incorrect values can likely cause post-processing alignment errors.
• Click Save after confirming or adjusting the values.

☐ Antenna Lever Arm Offsets (Optional, but recommended)

• Go to Settings > Geometry > IMU to Antenna Offset.
• Enter the accurate lever arm values (X, Y, Z) in meters.

☐ GNSS Time Fix (REQUIRED)

• Connect the GNSS antenna to payload securely.
• Power the unit outdoors in a GNSS-visible area before flight.
• In the GUI, confirm the INS status shows:
  • Current date and time
  • Message: “Ready to log”
    • Do not begin data capture without this message.

☐ Camera Trigger Configuration

• Adjust the trigger period based on planned flight speed:
  • Example: 5 m/s → 5 seconds
  • Faster speeds → shorter intervals (e.g., 10 m/s → 2.5 seconds)
    • Avoid high trigger rates at slow speeds to prevent blurry or redundant images.
    • Confirm trigger settings are applied via the GUI.

☐ Final System Check

• Ensure all cables are secure (power, antenna, USB, trigger, etc.).
• Confirm that the LiDAR sensor is unobstructed by props or mounting hardware.
• Recheck USB/SSD status in the GUI.
• Ensure drone is static before recording to ensure IMU settles for alignment.

You are now ready to take off for the mission.

A clear demonstration of preparing the RESEPI for a mission and recording data is shown in the video posted below.