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Camera Features 45
EN Camera
Series
6.3.3 Video Amplifier Gain Control
Normally, video amplifier gain is controlled automatically by an ADR (Automatic Dynamic Range)
control algorithm inside the EN, based on the output from the light sensor. However, the user can
manually change gain value by using the EN setup software (See Section 7.2 on page 47 for more
information). Normally, gain would be manually adjusted only when a different gain (and electronic
shutter setting) is needed to see the vehicle and focusing targets used for setup in whatever road
lighting is available at the installation site.
The following table shows the gain setting against the actual gain (dB): Gain Table (BW EN Camera)
Table 8 Gain Table (BW EN Camera)
TS-2030EN/TS-2076EN TS-1327EN
TS-4032EN
Gain Value dB Gain Value
dB
Gain Value dB
0 7.6 0
10
0 5.7
36 9.9 100
14.3
32 6.3
60 11.4 205
19
64 6.9
83 12.9 255
21
96 7.5
112 14.9
128 8.1
143 16.8
160 8.7
176 18.9
192 9.4
200 20.5
224 10.0
230 22.4
255 10.6
255 24.0
Note: Gain Value is Gain entry in camera LUT after calibration.
Table 9 Gain Table (Color EN Camera)
TSC-2030EN/TSC-
2076EN
TSC-1327EN
TSC-4032EN
Gain Value dB Gain Value
dB
Gain Value dB
0 11.8 0
10
0 6.5
22 13.4 72
14.3
32 8.0
46 15.1 148
19
64 9.5
74 17.0 230
24.3
96 11.1
105 19.2 255
27
128 12.6
140 21.7
160 14.1
165 23.4
192 15.6
192 25.5
224 17.1
226 27.8
255 18.6
255 27.7