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13
Symptoms
Possible Causes
Solution
Keyboard Wedge Interface
The unit scans
the bar code but
there is no data.
The unit’s
configuration is not
correct.
Make sure the scanner is
configured for the appropriate
mode.
The unit scans
but the data is
not correct.
The unit’s
configuration is not
correct.
Make sure that the proper PC type
AT, PS2 or XT is selected. Verify
the correct country code and data
format is selected. Adjust the
inter-character delay symptom.
The unit is not
transmitting
each character.
The unit’s
configuration is not
correct.
Increase the interscan code delay
setting. Adjust whether the F0
break is transmitted.
It may be necessary to try this in
both settings.
Alpha
characters show
as lower case.
The computer is in
Caps Lock mode.
Enable the Caps Lock detect
feature of the scanner to detect
whether the PC is operating in
Caps Lock.
Everything
works except for
a couple of
characters.
These characters
may not be supported
by that country’s key
look up table.
Try operating the scanner in Alt
mode.
RS232 Only
The unit powers
up OK and
scans OK but
does not
communicate
properly to the
host.
The com port at the
host is not working or
is not configured
properly.
Check to make sure the baud rate
and parity of the scanner and the
communication port match and
that the program is looking for
RS232 data.
The cable is not
connected to the
proper com port.
The com port is not
operating properly.
The host is
receiving data
but the data
does not look
correct.
The scanner and host
may not be
configured for the
same interface.
Check that the scanner and the
host are configured for the same
interface.
Characters are
being dropped.
The intercharacter
delay needs to be
added to the
transmitted output.
Add some intercharacter delay to
the transmitted output by scanning
an Intercharacter bar code on
page 22.
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