Code options
3
OPTICON Universal menu book
U65
3.3.10. Options for UK/Plessey
UK Plessey is a variable length symbology with
a mandatory checksum and non printable start/
stop characters. The following characters are
supported:
• the digits 0 upto 9
• the characters A upto F
The checksum contains 2 digits and is
calculated from the numerical values of all the
data digits. For string format see figure 3.31.
Options for UK Plessey:
• enable A to X conversion
• disable transmission of the check digits
• enable library space (CLSI) insertion
Space insertion:
This option inserts spaces in position 2, 5, 11,
14 of the data string for use in library systems.
A to X conversion:
This option converts the character 'A' into an
'X'. The data and check digits are affected.
Fig. 3.31. Options for UK/Plessey
data
(5 upto 20 characters)
check
digits
UK/Plessey
SET
_ZZ_
Not transmit CD's
4O
_4O_
Transmit CD's
4N
_4N_
Disable space insertion
DO
_DO_
Enable space insertion
DN
_DN_
Disable A to X
conversion
DP
_DP_
Enable A to X conversion
DQ
_DQ_
END
_ZZ_
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