Cheetah Python Cameras User Manual | CoaXPress (CXP) Interface
August 27, 2019
Page
38
of
86
Rev 1.0
Gain Control
Gain Control provides parameters for setting analog gain, black level raw, and digital gain.
Figure 18:
Sample Gain Control screen
Table 15:
Gain Control parameters
Parameter Name
Type
Value
Access Description
AnalogGain
Enumeration
String
Num.
"Gain_1x0"
0
"Gain_1x26"
1
"Gain_1x87"
2
"Gain_3x17"
3
RW
Controls analog gain for all
taps.
Always apply analog gain
before digital gain.
You can select from
1.0x (0 dB), 1.26x (2 dB),
1.87x (5.4 dB) and
3.17x (10 dB) gain
BlackLevelAuto
Enumeration
String
Num.
"Off"
0
"Continuous"
1
RW
Controls the mode for
automatic black level
adjustment.
When set to Continuous, this
automatically adjusts the
black level based on
measurements of the dark
reference lines at the start of
each frame
BlackLevel
Float
Min: -511
Max: 511
RW
Controls the analog black
level as an absolute physical
value. This represents a DC
offset applied to the video
signal.
DigitalGain
Float
Min: 1.0
Max: 15.999
RW
Controls digital gain for all
taps.
DigitalGainRaw
Integer
Min: 1024
Max: 16383
RW
Controls the raw value of
Digital Gain from 1024 (1x) to
16383 (15.9x).
DigitalOffset
Integer
Min: -512
Max: 511
RW
Controls the Digital Offset for
all taps.
