I meant to include the v6 video by Ashhar Farhan for calibration. The same steps and the BFO tool can be used, the controls and how to bet to the BFO calibration is different (as you will see since you have already set the BFO). You will need to use the "yellow box" setup menu that you get when you press the encoder.
Calibration of v6:
BFO Tuning Aid: