ebike s866 lcd display settings parameters quotation

I am trying to find a manual for this LCD which I bought together with the Brainpower controller. I have the bike running but the speedo only works when the motor is running which is probably due to having no white wire from the hall sensor, I could fit a wheel sensor and connect to the controller but I guess I would have to disable the existing speed read out. I have also found that when I plug anything into the lamp output on the controller I get an error code 8 or 10. Here is what I have on the LCD menu some of which I have worked out:

Note: The value here is based on kilometers. When the unit setting is converted from kilometers to miles, the speed value on the display interface will be automatically converted to the correct mile value, but the speed limit value data set in this menu under the mile interface No conversion, it is inconsistent with the actual displayed mile speed limit value;

Note: Due to the upgrade of the company"s products, the displayed content of the product you get may be different from the manual, but it will not affect your normal use.

Hi, im new to ebikes and the forum. Im starting with a problem sorry. I have the avaka bz20 plus with s866 lcd display. Some reason the levels of pas 1-5 make no difference at all.