Sony FCB-ER8550 Technical Manual page 52

Exposure control (2/3)
Iris
19
18
17
16
15
14
13
12
11
10
0F
0E
0D
0C
0B
0A
09
08
07
06
05
00
Gain
11
10
0F
0E
0D
0C
0B
0A
09
08
07
06
05
04
03
02
01
0D to 10 can be set only when the high-sensitivity mode is ON.
F2.0
F2.2
F2.4
F2.6
F2.8
F3.1
F3.4
F3.7
F4.4
F4.0
F4.8
F5.2
F5.6
F6.2
F6.8
F7.3
F6.8
F8
F9.6
F10
F11
CLOSE
48 dB
45 dB
42 dB
39 dB
36 dB
33 dB
30 dB
27 dB
24 dB
21 dB
18 dB
15 dB
12 dB
9 dB
6 dB
3 dB
0 dB
Gain Limit

High Sensitivity mode
Off
D 36 dB
C 33 dB
B 30 dB
A 27 dB
9 24 dB
8 21 dB
7 18 dB
6 15 dB
5 12 dB
4 9 dB
On
48 dB
45 dB
42 dB
39 dB
36 dB
33 dB
30 dB
27 dB
24 dB
21 dB