Honeywell HF800 Series Reference Manual page 52

Redundant times: output the decode result only when got identical barcodes
information for specific times.
Minimum Length: output the decode result when the symbology length equal or
larger than the minimum length.
Maximum Length: output the decode result when the symbology length equal or
shorter than the maximum length.
Transmit Start/Stop Characters: Start/Stop characters identify the leading and
trailing ends of the bar code. You may either transmit, or not transmit Start/Stop
characters.
Check Character: No Check Character indicates that the HF800 reads and
transmits bar code data with or without a check character. When Check Character is
set to Validate, but Don't Transmit, the unit only reads Code 39 bar codes printed
with a check character, but does not transmit the check character with the scanned
data. When Check Character is set to Validate and Transmit, the HF800 only reads
Code 39 bar codes printed with a check character, and transmits this character at the
end of the scanned data.
Append Mode: This function allows the HF800 to append the data from several
Code 39 bar codes together before transmitting them to the host computer. When the
HF800 encounters a Code 39 bar code with the append trigger character(s), it buffers
Code 39 bar codes until it reads a Code 39 bar code that does not have the append
trigger. The data is then transmitted in the order in which the bar codes were read
(FIFO).
Full ASCII Mode: If Full ASCII Code 39 decoding is enabled, certain character pairs
within the bar code symbol are interpreted as a single character. For example: $V is
decoded as the ASCII character SYN, and /C is decoded as the ASCII character #.
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