27
Troubleshooting Guide (continued)
Symptoms Possible Causes Solution
The unit scans the
bar code but there
is no data Configuration is not correct Make sure the scanner is configured
for the appropriate mode. Check
internal jumper
The unit scans but
the data is not
correct Configuration is correct
Make sure that the proper PC type
AT, PS2 or XT is selected. Verify
correct country code and data
formatting are selected. Adjust inter-
character delay symptom
The unit is
transmitting each
character twice Configuration is not correct
Increase 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
Computer is in Caps Lock
mode
Enable Caps Lock detect setting 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