Dalsa Spyder 3 GigE SG-10-01k40-00-R, User Manual

Page: 79 / 121

Spyder 3 GigE User’s Manual
DALSA 03-032-10158-09
79
Syntax Elements:
t
Tap selection. Allowable range is
1
to
2
depending on
camera model, or
0
for all taps.
i
Subtracted value in a range in DN from
0
to
4095
.
Notes:
•
When subtracting a digital value from the digital video signal
the output can no longer reach its maximum. Use the
97H
ssg
command to correct for this where:
ssg value =
max output value
max output value ‐ ssb value
See the following section for details on the
98H
ssg
command.
Related Commands:
99H
ssg
Example
ssb 0 25
Setting Digital System Gain
Purpose: Improves signal output swing after a background subtract. When
subtracting a digital value from the digital video signal, using the
100H
ssb
command, the output can no longer reach its maximum. Use
this command to correct for this where:
ssg value =
max output value
max output value ‐ ssb value
Syntax:
ssg t i
Syntax Elements:
t
Tap selection. Allowable range is
1
to
2
, or
0
for all taps.
i
Gain setting. The gain ranges are
0
to
65535
. The digital
video values are multiplied by this value where:
Use this command in conjunction with the
101H
ssb
command.
Related Commands:
102H
ssb
Example:
ssg 1 15
Digital Gain=
4096
i