Denso BHT-7000 User Manual page 66

[4.4] Setting the special bar-code scanning parameters
SET BARCODE
1:INVERT ON OFF
2:DECODE LEVEL X
MINIMUM DIGITS
3:ITF XX
4:STF XX
5:CODABAR XX
6:MARKER
Activating this function might increase the frequency of bar-code reading errors.
NOTE
This function can usually be set to OFF.
X