Metrologic Instruments Laser Scanner - Manual (Page 31)

27
T ROUBLESHOOTING G UIDE (C ONTINUED )
SYMPTOMS POSSIBLE CAUSE(S) SOLUTION
Alpha
characters
show as lower
case.
The 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. The characters may
not be supported by
that country’s key look
up table.
Try operating the scanner in
the Alt mode.
RS-232 Only
The unit is
transmitting
each character.
The configuration is
not set correctly.
Increase the interscan code
delay setting. Adjust if the
F0 break is transmitted. It
may be necessary to try this
in both settings.
Alpha
characters
show as lower
case.
The computer is in
Caps Lock mode.
Enable the Caps Lock
detect setting of the scanner
to detect whether the PC is
operating in Caps Lock.
Com port at the host is
not working or
configured properly
Com port not
operating properly.
Power-up OK
and scans OK
but does not
communicate
properly to the
host
Cable not connected
to the proper com port
Check to make sure that the
baud rate 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.