Metrologic Instruments MS9524 - Manual (Page 37)

33
T ROUBLESHOOTING G UIDE ( CONTINUED )
Symptoms Possible Causes Solution
Alpha
characters show
as lower case.
The computer is in
Caps Lock mode.
Enable Caps Lock detect setting
of the scanner to detect if 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.
The unit powers
up OK and
scans OK but
does not
communicate
properly to the
host.
The com port at the
host is not working or
not configured
properly.
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 unit powers
up OK and
scans OK but
does not
communicate
properly to the
host.
The cable is not
connected to the
correct com port. Check to make sure that the cable
is connected to the correct com
port.
The host is
receiving data
but the data
does not look
correct. The scanner and host
may not be
configured for the
same interface
parameters.
Check that the scanner and the
host are configured for the same
interface parameters.
Characters are
being dropped.
Inter-character delay
needs to be added to
the transmitted
output. Add some inter-character delay to
the transmitted output by using
the Programming Guides
MLPN 00-02544.