Video Settings
"Video" in this context, refers to the distinction of light and dark bars that go into qual-
ifying an object as a symbol. Typically, the default settings will not need to be changed
and if so required, should be done by qualified technicians.
Maximum Element
Usage:
Caution: Do not change this parameter unless instructed by a Microscan
representative.
Definition:
Maximum Element represents the maximum bar element width that's
allowed, as measured in micro seconds, before a video reset occurs
(default to white).
Serial Cmd:
<K502,maximum
tions>
Default:
410
Options:
1 to 65535
Video Filter Time
Usage:
Can be useful in improving read rates for certain symbols.
Caution: Do not change this parameter unless instructed by a Microscan
representative.
Definition:
Bar and space filter value, in nanoseconds. If a bar or space is less than
the video filter value set, then the bar or space element will be filtered
out.
Serial Cmd:
<K502,maximum
tions>
Default:
(x 30.5 nS)
12
Options:
1 to 65535
Minimum Symbol Transitions
Usage:
Can be useful in adjusting the threshold for qualification of certain sym-
bols.
Definition:
Defines the minimum number of symbol bar transitions at which a sym-
bol is qualified as a symbol.
Serial Cmd:
<K502,maximum element,video filter
tions>
Default:
(x 30.5 nS)
12
Options:
1 to 65535
element,video filter time,minimum symbol transi-
(x 4 µS)
element,video filter
Chapter 4 Read Cycle
time,minimum symbol transi-
time,minimum symbol transi-
MS-9 Scanner User's Manual
4-19
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