U2020 - Maintenance - Cross Feeder Test (SW tool/module)

Hi coleagues,

1) can someone share some guideline of how to use properly Huawei "Cross Feeder Test" (SW tool/module) that is within U2020 - Maintenance.
2) is tool "Cross Feeder Test" working properly, showing "crossed" for crossed sectors on different channels, frequencies

Please, share some experiences if this module "Cross Feeder Test" is doing it right and precise.

Thanks, P:)