The test pattern cartridge contains 15 displays that can be used to check or align most adjustments for a black and white or color television. One pattern is also included to check the alignment of the color generation circuitry on the Atari VCS™ console circuit board. A 1kHz and 3kHz tone can be selected with the DIFFICULTY SWITCHES, and the patterns can be selected by scrolling forward or backwards through the list via the GAME SELECT or GAME RESET console switches.
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