18
TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOMS POSSIBLE CAUSE(S)SOLUTION
The unit is not
transmitting each
character
(Keyboard
Wedge)
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 (Keyboard
Wedge)
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
(Keyboard
Wedge)
These characters may
not be supported by that
country’s key lookup
table
Try operating the scanner in
Alt mode.
Power-up OK
and scans OK
but does not
communicate
properly to the
host
Com port at the host is
not working or
configured properly
or
Cable not connected to
the proper comm port
Check to make sure that the
baud rate, data bits, stop bits
and parity of the scanner and
the communication port match
and the program is looking for
“RS-232” data.
The host is
receiving data
but the data does
not look correct
The scanner and host
may not be configured
for the same interface
font
Check that the scanner and
the host are configured for the
same interface font.
Characters are
being dropped
Scanner may not be set
for sufficient Inter-
character delay
Add some inter-character
delay to the transmitted output
by using the MetroSelect
Programming Guide MLPN
2544.