Enable "Calibrate Gyro on boot" on Gremsy gimbals
Download WISPR’s custom version of Gremsy GTUNE
Install GTUNE on Laptop
Connect microUSB to USB cable from microUSB port on the back of the gimbal quick release mount and into the USB on your laptop
Power on drone with Gremsy Gimbaled payload attached
Open GTUNE
Connect GTUNE to payload attached.
Click the IMU Tab seen below
Click CALIB GYRO AT START toggle and make sure its to the left and highlighted white like seen below
You are now complete and can power down the drone.