Decoding LG TV Model Numbers
Features of marking, decoding of symbols and general standards of LG TVs
Decoding Philips TV Model Numbers
Features of marking, decoding of symbols and general standards of Philips TVs
How to choose a projector
Type, projection characteristics, type of lamp and matrix, as well as other criteria for choosing a projector
What is the aperture of optics and what does it affect?
Aperture, aperture, maximum relative aperture - in simple words about the main thing