EL-2800M-PMCL / EL-2800C-PMCL
- 44 -
8.2 Gain control
The EL-2800M-PMCL can adjust the gain level from 0dB to +30dB using 0dB as the reference
(Factory default). In the EL-2800C-PMCL, the master gain can be adjusted from 0dB to
+27dB and R and B gains can be adjusted in the range of -7dB to + 12.99dB using the master
gain as the reference.
Resolution:
Master Gain:
0.035dB/Step
Blue/Red Gain:
x0.00012 /Step
The master gain uses an analog gain and digital gain internally. All digital gain has the
resolution of x0.00012/Step and provides more precise gain setting.
The magnification of digital gain is calculated in the following formula.
Digital GainMagnification =
Gain Value
+
8192
8192
X70.8
30dB
X7.15
X3.16
X1
0dB
X0.45
840
0
Gain
Magnification
Gain
Setting
Value
Gain Control Range
X31.6
Analog Gain
+
Digital Gain
Fig. 35 Gain control
8.2.1 Gain Selector
The following parameters can be set.
EL-2800M: AnalogAll/DigitalAll/Digital Tap2/Digital Tap3/Digital Tap4
EL-2800C: AnalogAll/DigitalAll/Digital Red All/Digital Blue All
/DigitalTap2All/DigitalTap3All/DigitalTap4All
/DigitalTap2Red/DigitalTap2Blue
/DigitalTap3Red/DigitalTap3Blue
/DigitalTap4Red/DigitalTap4Blue
8.2.2 Gain
This is reference vale to advise the magnification. The operational adjustment is done in
Gain RAW.
EL-2800M: AnalogAll
:
0.7079
~
32.1
DigitalAll
:
0.7079
~
1.4125
Digital Tap2All
:
0.8912
~
1.1220
Digital Tap3All
:
0.8912
~
1.1220
Digital Tap4All
:
0.8912
~
1.1220
X99.88
X22.38
X10
X4.46
X1
X0.45
756
0
Gain
(Magnification)
0
-4533
Gain
Setting
Value
Master
R&B
Master
Red
Blue
Gain Control Range
27dB
0dB
39.99dB
20dB
12.99dB
-7dB
+28400
X4.46
X0.45
X4.46
X0.45
0
-4533
+28400
X1.0
X1.0
Digital Gain
Gain
(Magnification)
Gain
Setting
Value
Analog Gain
+
Digital Gain