User manual

SP-5000M-GE2 / SP-5000C-GE2
- 80 -
x16
x1
16
1
Gain
Amplitude
Gain
Setting
Value
Gain Control Range for
Monochrome
24dB
0dB
The master gain control uses Digital Gain Control. All digital gain can be set by x0.01/step. If the
digital gain is set too high, a break in the Histogram may occur.
The above drawing shows the relation among gain setting value (command), gain amplitude,
and dB indication. For example, the gain amplitude x 5.643 equals 15dB.
Fig.44 Gain control
8.2.1 Gain Selector
The following parameters can be set.
SP-5000M-GE2: DigitalAll
SP-5000C-GE2: DigitalAll/Digital Red All/Digital Blue All
8.2.2 Gain
This is the reference value upon which gain adjustments are based. The operational adjustment is
done in Gain Raw.
SP-5000M-GE2: DigitalAll116 (0dB to +24dB)
SP-5000C-GE2: DigitalAll116 (0dB to +24dB)
Digital Red All0.44665.643
Digital Blue All0.44665.643
8.2.4 Gain Auto
This function automatically controls the gain level.
This is controlled by the command JAI ALC Reference.
There are three modes.
OFF: Adjust manually.
Once: Operate only one time when this command is set
Continuous: Operate the auto gain continuously
The following detailed settings are also available.
ALC Speed: The rate of adjustment of GainAuto can be set (Common with
ExposureAuto).
X90.288
X16
X7.15
X5.643
X1
X0.45
16
1
Gain
Gain
Setting
Value
5.643
0
0.4466
Gain
Setting
Value
Master
R&B
Master Red
Blue
Gain Control Range for Bayer Color
39dB
-7dB
0dB
24dB
15dB
0dB
-7dB
15dB
0dB
-7dB
15dB
0
0.4466
17dB
5.643