White Balance - Sony FCB-IX11A Technical Manual

White Balance

White Balance has the following modes, all of which
can be set using VISCA Commands.
• Auto White Balance
This mode computes the white balance value output
using color information from the entire screen. It
outputs the proper value using the color temperature
radiating from a black subject based on a range of
values from 3000 to 7500K.
This mode is the default setting.
• ATW
Auto Tracing White balance (2000 to 10000 K)
• Indoor
3200 K Base Mode
• Outdoor
5800 K Base Mode
• One Push WB
The One Push White Balance mode is a fixed white
balance mode that may be automatically readjusted
only at the request of the user (One Push Trigger),
assuming that a white subject, in correct lighting
condition, and occupying more than
is submitted to the camera.
One Push White Balance data is lost when the power
is turned off. If the power is turned off, reset the One
Push White Balance.
• Manual WB
Manual control of R and B gain, 256 steps each
Automatic Exposure Mode
The variety of AE functions, which allow video signal
to output the optimum image for subjects from low
light conditions to bright light conditions, are
available.
• Full Auto
Auto Iris and Gain, Fixed Shutter Speed
(NTSC: 1 / s, PAL: 1 /
60 50
1)
• Shutter Priority
Variable Shutter Speed, Auto Iris and Gain
( 1 / to 1 / s, 22 steps, std. shutter: 16 steps, slow
1 10,000
shutter: 6 steps)
• Iris Priority
Variable Iris (F1.8 to Close, 18 steps), Auto Gain and
Shutter speed
• Manual
Variable Shutter, Iris and Gain
• Bright
Variable Iris and Gain (Close to F1.8, 17 steps at
0 dB: F1.8, 15 steps from 0 to 28 dB)
.................................................................................................................................................................................................................................
1) Flicker can be eliminated by setting shutter to:
t 1 / s for NTSC models used in countries with a 50 Hz power
100
supply frequency.
1 / of the image,
2
s)
AE – Shutter Priority
The shutter speed can be set freely by the user to a
total of 22 steps – 16 high speeds and 6 low speeds.
When the slow shutter is set, the speed can be
1 1 1
/ , / , or / s. The picture output is read at a normal
15 8 4
rate from the memory. The memory is updated at a low
rate from the CCD. AF capability is low.
In high speed mode, the shutter speed can be set up to
1
/ s. The iris and gain are set automatically,
10,000
according to the brightness of the subject.
Data NTSC
15 10000
14 6000
13 4000
12 3000
11 2000
10 1500
0F 1000
0E 725
0D 500
0C 350
0B 250
0A 180
09 125
08 100
07 90
06 60
05 30
04 15
03 8
02 4
01* 2
00* 1
* For AE-Manual only.
AE – Iris Priority
The iris can be set freely by the user to 18 steps
between F1.8 and Close.
The gain and shutter speed are set automatically
according to the brightness of the subject.
Data Setting value
11 F1.8
10 F2.0
0F F2.4
0E F2.8
0D F3.4
0C F4.0
0B F4.8
0A F5.6
09 F6.8
t 1
/ s for PAL models used in countries with a 60 Hz power supply
120
frequency.
Basic Functions
1
/ ,
30
PAL
10000
6000
3500
2500
1750
1250
1000
600
425
300
215
150
120
100
75
50
25
12
6
3
2
1
Data Setting value
08 F8
07 F9.6
06 F11
05 F14
04 F16
03 F19
02 F22
01 F28
00 CLOSE
7