Metrologic Instruments MS7320 User Manual

Page 36

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32

T

ROUBLESHOOTING

G

UIDE

SYMPTOMS POSSIBLE

CAUSE(S)

SOLUTION

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.

RS232 Only

The unit is
transmitting
each character.

Configuration is not
correct.

Increase the 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.

Computer is in Caps
Lock mode.

Enable the 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.

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 “RS232" data.

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