NCR 7158, Руководство пользователя

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Chapter 7: Programming Guide 7-71
Select or Cancel White/Black Reverse Print Mode
ASCII : GS B n
Hexadecimal : 1D 42 n
Decimal: 29 66 n
Value of n : 0 = Off
1 = On
(Only the lowest bit is used.)
Range of n : 0 – 255
Default of n : 0 (Off)
Turns on White/Black reverse printing mode. This command is only
available in A758 Native Mode. In White/Black reverse printing mode,
print dots and non-print dots are reversed, which means that white
characters are formed by printing a black background. When the
White/Black reverse printing mode is selected it is also applied to
character spacing which is set by Right-Side Character Spacing (1B 20).
This command can be used with built-in characters and user-defined
characters, but does not affect the space between lines.
White/Black Reverse Print Mode does not affect bit image,
downloaded bit image, bar code, HRI characters, and spacing skipped
by Horizontal Tab (09), Set Absolute Starting Position (1B 24…), and
Set Relative Print Position (1B 5C).
White/Black reverse mode has a higher priority than Underline Mode.
When Underline Mode is on and White/Black Reverse Print Mode is
selected, Underline Mode is disabled, but not canceled.
Exceptions:
This command is only valid on the receipt station.
This is only available in A758 Native Mode.