Metrologic Instruments MS7120 Series Scanner User Manual


 
25
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