Troubleshooting guide (continued) – Metrologic Instruments MS7120 Series User Manual
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Troubleshooting Guide (continued)
Keyboard Wedge Only
SYMPTOMS
POSSIBLE CAUSE(S)
SOLUTION
The unit scans
Configuration is not
Make sure the scanner is configured
the bar code but
correct
for the appropriate mode. Check
there is no data
internal jumper
The unit scans
Configuration is not
Make sure that the proper PC type AT,
but the data is
correct
PS2 or XT is selected. Verify correct
not correct
country code and data formatting are
selected. Adjust intercharacter delay
SYMPTOM
The unit is
Configuration is not
Increase the interscan code delay
transmitting
correct
setting. Adjust whether the F0 break is
each character
transmitted. It may be necessary to try
this in both settings.
Alpha characters
Computer is in Caps Lock
Enable Caps Lock detect setting of the
show as lower
mode
scanner to detect whether the PC is
case
operating in Caps Lock
Everything
These characters may not
Try operating the scanner in Alt mode
works except for
be supported by that
a couple of
country’s key look up table
characters