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TNL SN20-9844 (March 1987) to 75X0235
Video Signal
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Two-level (on and oft) video
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Maximum bandwidth of approx. 70 Mhz
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Compatible with standard TTL driver.
Horizontal Drive
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Free-running horizontal oscillator
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Normally low, positive going TTL pulse
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Nominal horizontal frequency of 47.52 Khz
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Retrace blanking time of 4.21 usec.
Vertical Drive
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Free-running vertical oscillator
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Normally high, negative going TTL pulse
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Nominal vertical frequency of 60 Hz
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Retrace blanking time of 505.0 usec.
Operator Control
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Brightness control adjusts the overall monitor screen including background raster. Adjust the
control so that the background raster disappears.
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Contrast control adjusts the brightness of the displayed image without affecting the
background. (Clockwise rotation of control increases brightness.)
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Power On and Off switch and light.
2 Extended Monochrome Graphics Display
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