5) P05-Number of Assist levels:
Short press
/
to change level 0->1->2
0
：
3 assist levels
1
：
5 assist levels
2
：
9 assist levels
6) P06-Wheel size selection:
Short press
/
to switch wheel size in inch
，
step
：
0.1 inch
7) P07-Number of magnets for speed sensor:
Short press
/
to switch from 1 to 100
