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Precision Apparatus Dot & Bar Signal Generator Model E-420 Made in US - $30 (Bend)

Precision Apparatus Dot & Bar Signal Generator Model E-420 Made in US 1 thumbnailPrecision Apparatus Dot & Bar Signal Generator Model E-420 Made in US 2 thumbnailPrecision Apparatus Dot & Bar Signal Generator Model E-420 Made in US 3 thumbnailPrecision Apparatus Dot & Bar Signal Generator Model E-420 Made in US 4 thumbnail
make / manufacturer: Precision Apparatus
model name / number: E-420
Precision Apparatus Co, Inc White Dot & Bar Signal Generator, Model E-420. It was made in Glendale, New York. A dot & bar generator produces a known good video signal with test patterns for adjusting the screen alignment of televisions. Common patterns include a series of dots and vertical and/or horizontal lines that aid in adjusting the display. They also produce a series of bars that allow checking the correct display of shades of gray.

post id: 7743111600

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