This article explains how to set volume in iOS 7 and iOS 8 for music, ringer (iPhone only), alarm, and Siri on iPhone, iPad (Mini), and iPod Touch. There are three different volume settings on iOS devices which can make setting the correct volume a little tricky.
Standard-definition television can only display 480 lines. The Panasonic television followed NHK's standards -- an analog signal that packed more information than traditional television signals. By the 1980s, NHK had developed the technology to the point that it was time to shop around for other customers.
Color television was demonstrated by John Baird as early as 1928, and a year later by Bell Telephone Laboratories. Experimental color broadcasting was initiated in 1940, when the Columbia Broadcasting System (CBS) publicly demonstrated a field sequential color television broadcasting system. This system employed successive fields scanned one at a time in one of the three primary colors; red, blue, or green. On the receiver end, a mechanical color wheel was used to reconstitute the primary colors in sequence to enable reproduction of the colors in the original scene.