AT&T PC 6300 - Page 347

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DIAGNOSTICS
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510 The ROM character set displayed on the screen was not
correct.
The following message appears when the display of characters
generated by ROM fails.
S10 - MONQCHRaME/CQLOR VIDEO SYSTEM
CHARACTER SET ERROR
520 The Grey Scale Test failed.
The following message appears when the display of 16 color/shades
of gray bars fails.
520 - MONOCHROME/COLOR VIDEO SYSTEM
COLOR/GRAY BARS ERROR
530 The Screen Attributes Test failed.
The following message is displayed when the Character Attributes
Test fails.
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S30 - MONOCHROME/COLOR VIDEO SYSTEM
CHARACTER ATTRIBUTES ERROR
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