PSC Universal Keyboard Wedge Programming Manual page 193

Interleaved 2 of 5 Options - continued
CODE LENGTH = ONE LENGTH FIXED AFTER
Fixed length(s) authorized and set upon first
reading(s) after power-on.
In this mode, the code lengths are
not saved after power-off.
CODE LENGTH = TWO LENGTHS FIXED AFTER
R44-2021
THE FIRST READ
(DEFAULT)
NOTE
THE FIRST TWO READS
SYMBOLOGIES
187