This feature provides optimal reception of the IR code even in the presence of these light sources.

通过该功能，即使存在以上光源也能够最佳地获得红外线代码。

youdao

The only trouble we initially ran into was that our original no-frills Freeview box wasn't listed on SlingPlayer's IR code database, and since the SlingBox couldn't be trained using our own remote control, we had to procure a compatible Freeview box.

ENGADGET: App review: SlingPlayer Mobile for Android