B-2
Appendix B: Additional Diagnostic Functions
Communication Protocol
Perform
the
following
procedure
to
determine
the
communications
protocol
programmed
in
your
RealScan
74.
1.
Scan
the
Diagnostic
Mode
tag
to
enter
Base
Diagnostic
state—
this
must
be
the
first
tag
scanned
after
applying
power
to
the
RealScan
74.
2.
Scan
the
Hex
3
tag.
The
Good
Read
tone
for
this
tag
sounds
(three
beeps).
If
the
RealScan
74
has
the
Voice
feature
enabled,
the
scanner
will
speak
its
communications
protocol
type.
•
RS232
•
RS232
USB
•
IBM
4A
•
IBM
4A
USB
Display Firmware Version
This
routine
displays
the
version
level
of
the
firmware
on
the
RealScan
74
Digital
Board.
There
are
no
pass/fail
points
for
this
routine;
it
can
only
be
used
to
read
information.
Perform
the
following
procedure.
1.
Scan
the
Diagnostic
Mode
tag
to
enter
the
Base
Diagnostic
state—this
must
be
the
first
tag
scanned
after
applying
power
to
the
RealScan
74.
2.
Scan
the
Hex
4
tag,
then
the
Hex
A
tag
to
read
the
firmware
version
level.
3.
At
this
point,
the
scanner
will
begin
speaking
the
firmware
version.
The
Scanner
will
speak
“Version
Two
Scanner
4
9
7
x
x
x
x
x
x
x”,
where
the
‘x
x
x
x
x
x
x’
refers
to
the
firmware
release
number.
4.
After
taking
a
note
of
the
firmware
version,
the
scanner
must
power
cycle
(power
off,
then
power
on)
to
put
it
back
into
operational
state.
The
Reset
Tag
can
be
used.
RS232 Turnaround
The
RS232
Turnaround
test
checks
the
RS232
interface
in
the
RealScan
74.
An
RS232
turnaround
plug
is
needed
to
run
this
test.
1.
Remove
power
from
the
RealScan
74.
2.
Install
the
RS232
turnaround
plug
(497–0300793).
•
Lift
the
RealScan
74
out
of
the
checkstand
and
disconnect
the
Interface
cable.
•
Install
turnaround
plug
into
the
connector
where
you
removed
the
interface
cable.
3.
Supply
power
to
the
RealScan
74.
Summary of Contents for 74 OFX (7874)
Page 1: ...NCR RealScan 74 OFX 7874 Release 1 1 User Guide 25315 B005 0000 1822 Issue C...
Page 16: ......
Page 42: ......
Page 240: ......
Page 246: ......
Page 248: ...A 2 Appendix A NCR Scanner Programming Tags Reset 11818 Default R0046 Programming Mode R0042...
Page 249: ...Appendix A NCR Scanner Programming Tags A 3 End R0043 Save and Reset R0044 Abort R0045...
Page 253: ...Appendix A NCR Scanner Programming Tags A 7 Hex 2 R0050 Hex 3 R0051 Hex 4 R0052...
Page 254: ...A 8 Appendix A NCR Scanner Programming Tags Hex 5 R0053 Hex 6 R0054 Hex 7 R0055...
Page 255: ...Appendix A NCR Scanner Programming Tags A 9 Hex 8 R0056 Hex 9 R0057 Hex A R0058...
Page 256: ...A 10 Appendix A NCR Scanner Programming Tags Hex B R0059 Hex C R0060 Hex D R0061...
Page 258: ......
Page 264: ......
Page 266: ......
