U
SER
’
S MANUAL
DFM1000
17
Scanner seems to work but the bar code
can not be read.
The bar code symbology to be read is
disabled.
Enable the bar code symbology in the
software.
Of a certain bar code symbology, some bar
codes can be read while other can not be
read.
Some bar codes contain a ‘check digit’.
Disable ‘check digit’ for the involved bar
code symbology.
Fixed length is set for the involved bar
code symbology.
Adjust or remove the fixed length check.
Strange characters are received at host.
Baudrate, databits, stop or parity do not
match.
Compare and match these settings
between host and scanner.
Default communication settings:
9600 baudrate
No parity
8 data bits
1 stop bit
No data is received at host and scanner.
No handshake signals, while
handshaking is selected.
Compare and match handshake settings
for host and scanner.
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