Dalsa Piranha3, User Manual

Page: 48 / 91

Piranha 3 User Manual
03-032-10216-02 DALSA
48
Notes: •
When subtracting a digital value from the digital video signal
the output can no longer reach its maximum. Use the
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
ssg
command.
Related Commands:
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
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
8
, 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:
Digital Gain=
i
4096
Use this command in conjunction with the
ssb
command.
Related Commands:
ssb
Example:
ssg 1 15