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White Balance
White Balance has the following modes, all of which
can be set using VISCA Commands.
A uto 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 factory setting.
A TW
Auto Tracing White balance (2000 to 10000K)
I ndoor
3200K Base Mode
O utdoor
5800K Base Mode
O ne 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
conditions, and occupying more than 1/2 of the
image, 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 One
Push White Balance.
M anual WB
Manual control of R and B gain, 256 steps each
O utdoor Auto
This is an auto white balance mode specifically for
outdoors. It allows you to capture images with natural
white balance in the morning and evening.
S odium Vapor Lamp Auto
This is an auto white balance mode that is compatible
with sodium vapor lamps.
S odium Vapor Lamp
This is a fixed white balance mode specifically for
sodium vapor lamps.
Automatic Exposure Mode
A variety of AE functions are available for optimal
output of subjects in lighting conditions that range
from low to high.
F ull Auto
Iris, Gain and Shutter Speed can be adjusted
automatically.
G ain Limit Setting
The gain limit can be set at the Full Auto, Shutter
Priority, Iris Priority, Bright, Spot Exposure and
Manual in the AE mode. Use this setting when image
signal-to-noise ratio is particularly important.
S hutter Priority
1)
Variable Shutter Speed, Auto Iris and Gain
(1/1 to 1/10,000 sec., 16 high-speed shutter speeds
plus 6 low-speed shutter speeds)
1) Flicker can be eliminated by setting shutter to
1/100s for NTSC models used in countries with a 50 Hz
power supply frequency
1/120s for PAL models used in countries with a 60 Hz
power supply frequency
I ris Priority
Variable Iris (F1.35 to Close, 18 steps), Auto Gain and
Shutter speed
M anual
Variable Shutter, Iris and Gain
B right
Variable Iris and Gain (Close to F1.35, 17 steps and
F1.35 at 15 steps)
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
/
s,
/
s,
/
s,
/
s,
/
s. The picture output is read at a
1
1
1
1
1
15
8
4
2
1
normal rate from the memory. The memory is updated
at a low rate from the CCD. AF capability is low. The
displayed number of frame is decreases.
In high speed mode, the shutter speed can be set up to
1/10,000s. The iris and gain are set automatically,
according to the brightness of the subject.
Data
NTSC (s)
15
1/10000
14
1/6000
13
1/4000
12
1/3000
11
1/2000
10
1/1500
0F
1/1000
0E
1/725
0D
1/500
0C
1/350
0B
1/250
0A
1/180
09
1/125
08
1/100
07
1/90
06
1/60
05
1/30
04
1/15
03
1/8
02
1/4
01
1/2
00
1/1
Basic Functions
/
s,
1
30
PAL (s)
1/10000
1/6000
1/3500
1/2500
1/1750
1/1250
1/1000
1/600
1/425
1/300
1/215
1/150
1/120
1/100
1/75
1/50
1/25
1/12
1/6
1/3
1/2
1/1
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