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Chapter 6: NCR 7454 4x20 Customer Display 6-17
Description:
This
set
of
command
chooses
one
of
the
two
supported
internal
character
sets.
Character
set
1
is
defined
as
Page
1(International),
character
set
2
is
defined
as
Page
2(Japanese).
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
Page
1(International).
Read Display Data String
Format: 1B
38
Returns:
0x50,
ʺ
xxx
‐‐‐‐‐‐‐‐‐
xxxxx
ʺ
Where
0x50
is
a
1
byte
string
length
indicator
which
indicates
the
length
of
the
string
that
follows
the
string
length
indicator.
For
example,
50H
characters
are
sent
after
the
string
length
indicator.
Note:
The
quotation
marks
“”
are
not
part
of
the
string
and
are
not
returned.
Description:
This
command
is
a
request
for
the
Retail
VFD
to
return
an
ASCII
string
which
are
being
displayed
on
the
Retail
VFD.
Summary of Contents for 7454
Page 1: ...NCR 7454 Retail Terminal Release 2 2 Hardware User s Guide 18004 NCR B005 0000 1256 Issue H...
Page 38: ...1 26 Chapter 1 Product Overview 16 High Post Mount 17198...
Page 50: ......
Page 100: ...3 10 Chapter 3 Setup...
Page 138: ...4 28 Chapter 4 Operating System Recovery...
Page 148: ...5 10 Chapter 5 BIOS Updating Procedures...
Page 151: ...Chapter 6 NCR 7454 4x20 Customer Display 6 3 Character Set Page 1 International...
Page 152: ...6 4 Chapter 6 NCR 7454 4x20 Customer Display Page 2 Japanese...
Page 153: ...Chapter 6 NCR 7454 4x20 Customer Display 6 5 Page 3 Code Page 850...
Page 166: ...6 18 Chapter 6 NCR 7454 4x20 Customer Display...
Page 178: ......
Page 179: ......
Page 180: ...B005 0000 1256 Dec 2002 Printed on recycled paper...