Hi,
I recently installed a wiredish kit
https://mikrotik.com/product/wireless_wire_dish
both dishes ar installed with
https://mikrotik.com/product/solidmount#fndtn-gallery
the masts are solid and stable.
I am not able to adjust the receiver antenna to have the tx-sector-info equals center
It is fastly switching from up to down and left to right and vices versa
See attached video
Can you suggest my advises
Best regards

Any thoughts from experienced uses for my problem ??

Totally wild guess: perhaps you are trained on a sidelobe instead of the main lobe?