Metrologic Instruments MS7120 - Manual (Page 29)

25
T ROUBLESHOOTING G UIDE (C ONTINUED )
Keyboard Wedge Only
SYMPTOMS POSSIBLE CAUSE(S) 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 not
correct Make sure that the proper PC
type AT, PS2 or XT is selected.
Verify correct country code and
data formatting are selected.
Adjust intercharacter delay
SYMPTOM
The unit is
transmitting
each character 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 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