NCR 5972-1000, User Manual

Page: 44 / 90

4-14 Chapter 4: Programming Set Up
Read Display ID String
Format:
1B 19
Returns:
0x1A,
“
NCR 5972, XXX-XXXXXXX
”
Description: where
0x1A
is a 1 byte string length indicator which
indicates the length of the string that follows the string length
indicator. For example, 1AH characters are sent after the string
length indicator. Note: indicates a space character (20H). The
quotation marks “” are not part of the string and are not returned.
XXX ‐ XXXXXXX represents the current firmware part number.
Description: This command is a request for the Retail Display to
return an ASCII string with detailed product information.
Display ESC Character
Format:
1B 1B
Description: This command is a request for the ESC character to
be displayed at the current cursor position.
Select Character Set n
Format:
1B20 - 1B32
Description: VFD only. This set of commands chooses one of the
three supported internal character sets or, if an external ROM is
present, one of up to 16 additional character sets. Character set 1 is
defined as PC Code Page 858 (International), character set 2 is
defined as Katakana (Japanese), and character set 3 is defined as
Code Page 866 (Cyrillic Eastern European). Character sets 4
through 19 are only valid if an external ROM containing extra
character sets is present. Character set selection is dynamic. Host
software can switch between character sets at any time. Switching
between sets does not erase or change the display. This means
characters from multiple character sets may be on a display. The
default character set is number 1, PC Code Page 858 (International).