Leading Margin (Quiet Zone) - Motorola DS6878 Product Reference Manual

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Leading Margin (Quiet Zone)

Scan a bar code below to select a leading margin duration. A leading margin is the time that precedes the first bar
of the scan, (in milliseconds). The minimum allowed value is 80 msec and the maximum is 250 msec. This
parameter accommodates older wand decoders which cannot handle short leading margins.
NOTE 250 msec is the maximum value that this parameter can attain, however, 200 msec is sufficient.
*
80 msec
200 msec
140 msec