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11
Basic Functions
In these standard and variable Speed Modes, it is necessary to send
Stop Command to stop the zoom operation.
One Push Trigger Mode
When a Trigger Command is sent, the lens moves to
adjust the focus for the subject. The focus lens then
holds that position until the next Trigger Command
is input.
Infinity Mode
The lens is forcibly moved to a position suitable for
an unlimited distance.
Near Limit Mode
Can be set in a range from 1000 (∞) to F000
(10 mm).
Default setting: D000h (30 cm)
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 3,000 to 7,500 K.
This mode is the default setting.
Indoor
3,200 K Base Mode
Outdoor
5,800 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
conditions and occupying more than
1
/2 of the
image, is captured by 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
A variety of AE functions are available for optimal
output of subjects in lighting conditions that range
from low to high.
Full Auto
Exposure is adjusted automatically by gain, iris and
electronic shutter setting.
AE Gain Limit Setting
The gain limit can be set at the Full Auto, Shutter
Priority and Iris Priority in the AE mode. Use this
setting when image signal-to-noise ratio is
particularly important.
Shutter 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
Iris Priority
Variable Iris (F1.6 to Close, 14 steps), Auto Gain and
Shutter speed
Manual
Variable Shutter, Iris and Gain
Bright
Variable Iris and Gain (Close to F1.6, 17 steps at
0 dB: F1.6, 15 steps from 0 to 28 dB)
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
/30s,
1
/15s,
1
/8s,
1
/4s,
1
/2s,
1
/1s. The picture output is read at a normal rate
from the memory. The memory is updated at a low rate
from the CMOS. AF capability is low.
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 60/30 mode 50/25 mode
15 1/10000 1/10000
14 1/6000 1/6000
13 1/4000 1/3500
12 1/3000 1/2500
11 1/2000 1/1750
10 1/1500 1/1250
0F 1/1000 1/1000
0E 1/725 1/600
0D 1/500 1/425
0C 1/350 1/300
0B 1/250 1/215
0A 1/180 1/150
09 1/125 1/120
08 1/100 1/100
07 1/90 1/75
06 1/60 1/50
05
1/30 1/25
04 1/15 1/12