Metrologic Instruments IS3480-00 - Manual (Page 33)

29
T ROUBLESHOOTING G UIDE
Symptoms Possible Cause(s) Solution
RS232 Only
The host is
receiving data
but the data does
not look correct.
The scanner and host
may not be configured
for the same interface. Check that the scanner and the
host are configured for the same
interface.
Characters are
being dropped.
The intercharacter
delay needs to be
added to the
transmitted output. Add some intercharacter delay to
the transmitted output by using
the MetroSelect Configuration
Guide (
MLPN 00-02407).
Keyboard Wedge Only
The unit scans
the bar code
but there is no
data.
The unit may not be
configured correctly.
Make sure the scanner is
configured for the appropriate
mode.
Make sure that the proper PC
type (ie. AT, PS2 or XT) is
selected.
Verify correct country code and
data formatting are selected.
The unit scans
but the data is
not correct.
The unit may not be
configured correctly.
Adjust the intercharacter delay.
The unit is not
transmitting
each character.
The unit may not be
configured correctly.
Increase the interscan code
delay setting. Adjust whether
the F0 break is transmitted. It
may be necessary to try both
settings.
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. These characters may
not be supported by
the current country’s
key look up table.
Try operating the scanner
in Alt Mode.