Metrologic MK9535-39B538 Installation And User Manual page 36

T
ROUBLESHOOTING
Symptoms
The scanner
scans the bar
code but there
is no data.
The scanner
scans but the
data is not
correct.
The scanner is
transmitting
each character
twice.
Alpha
characters show
as lower case
characters.
Everything
works except for
a couple of
characters.
The scanner
powers-up OK
and scans OK
but does not
communicate
properly with
the host.
The host is
receiving data
but the data
does not look
correct.
32
G
UIDE
Possible Causes
The scanner
configuration is not
correctly.
The computer is in
Caps Lock mode.
These characters
may not be supported
by that country's key
look up table.
Com port at the host
is not working or
configured properly
The cable is not
connected to the
proper com port.
The cradle and host
may not be
configured for the
same interface
parameters.
Solution
Make sure the scanner is
configured for the appropriate
mode.
Make sure that the proper PC type
AT, PS2 or XT is selected. Verify
correct country code and data
formatting are selected. Adjust
inter-character delay symptom.
Increase the interscan code delay
setting. Adjust whether the F0
break is transmitted. It may be
necessary to try this in both
settings.
Enable the Caps Lock detect
setting of the scanner to detect
whether the PC is operating in
Caps Lock.
Try operating the scanner in Alt
mode.
Check to make sure that the baud
rate, parity of the scanner, and the
communication port match. Check
to make sure the configuration is
looking for RS232 data.
Check to make sure the
communication cable is securely
connected to the host and cradle
and that the cable is connected to
the correct com port on the host.
Check that the cradle and the host
are configured for the same
interface parameters