Inertial Labs Knowledge Base


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      Device is Not Seeing Proper Number of Satellites

      Posted by Will Dillingham on Aug 19, 2020 2:19:59 PM

      Purpose: The purpose of the this knowledge base document is to explain the potential interference caused by ports such as USB3.0 in interfering with satellite line of sight (LOS).

      Last Updated: March, 2020

      High-frequency devices, like high-speed processors or high-speed communication buses (say, USB3 or PCIExpress) are known to produce electromagnetic interference (EMI) in the 1.2 – 1.5 GHz range, where all GNSS signals reside.

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      Topics: USB, INS, Interference, Satellite, EMI

      Computer Mouse Misbehaving When Operating GUI

      Posted by Will Dillingham on Aug 18, 2020 11:19:07 AM

      Purpose: To provide clarity into known driver issue for Windows PC. This is a known issue for Inertial Labs products but unfortunately is at the fault of Windows. However, there is a solution.

      Last Updated: October 2019

      Issue: The root cause of this misbehaving mouse issue is that Windows immediately sees some data coming from a USB serial port when USB is connected, because unit is auto-started. Windows is known to treat this situation (traffic on a newly created serial port) as a serial mouse connected to that port. So, it captures the serial port with a serial mouse driver.

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      Topics: Issue, Control, Problem, USB, Serial, MRU, AHRS, IMU, Mouse, Computer, INS

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