Denso HC36IITK-A Operation Manual page 25

Specification of No. of digits readable for Standard 2 of 5
If "Enable" is selected, the numbers of digits of two Standard 2 of 5
codes scanned first and second following this setting or after
powering-on will be set as the numbers of digits readable. The
scanner will be able to scan only those codes having either of the
specified two numbers of digits.
"Enable"
No. of digits readable for Interleaved 2 of 5
If "Enable" is selected, the numbers of digits of two Interleaved 2 of
5 codes scanned first and second following this setting or after
powering-on will be set as the numbers of digits readable. The
scanner will be able to scan only those codes having either of the
specified two numbers of digits.
"Enable"
"Disable" (Default)
"Disable" (Default)
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