Also, I wonder if the brushes microfiber rub enough. We hear that the launching of the disc, not while cleaning. The cleaning program is short, very short, perhaps too much to be a guarantee of efficiency.
This DVD contains fairly useless things: music, a 5.1 test and beautiful nature images. I would have much preferred a longer and more intensive cleaning program. There you are countered to Pop up / Menu to restart the cleaning cycle, which is quickly tiresome. Missing one or two additional cleaning modes ...
Moreover; it does not replace manual cleaning with an optical microfiber cloth and propanol (isopropyl alcohol, sold by the liter in pharmacy for about 12-14). Some will even say that cleaning discs are a scam and saw the results (or lack thereof ...), it's probably true.
This can perhaps walk when the light unit is slightly dirty, if the lens is not really dirty, good gold, what good clean in this case? ... It is true that opening the device, especially a compact home cinema, is still relatively complex, especially when the block is closed and difficult to access. But then, let's be frank, this product is too expensive for such a small efficiency ...