Sony SRG-120DU Technical Manual page 11

Hd color video camera
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• Manual Focus Mode
Manual Focus has both a Standard Mode and a
Variable Mode. Standard Mode focuses at a fixed rate
of speed. Variable Mode has eight speed levels that
can be set using a VISCA Command.
In these standard and variable 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 E000 (1 cm).
Default setting: C500 (10 cm)
White Balance
White Balance has the following modes.
• 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 2500K to 7500K.
This mode is the factory setting.
• ATW
Auto Tracing White balance (2000K to 10000K)
• Indoor
3200K Base Mode
• Outdoor
5800K Base Mode
• One Push WB
One Push White Balance is a function that forcibly
captures the white color once the lighting conditions
to illuminate the subject are set, enabling you to shoot
the image in the conditions as they are set. By using
this function, the natural color of the subject can be
obtained without being affected by the surrounding
lighting conditions. To set this mode, shoot the
subject that you want to capture the white color and
send the One Push White Balance Trigger.
The One Push White Balance data is lost when the
power is turned off. If the power is turned off, set One
Push White Balance again.
• Manual WB
Manual control of R and B gain, 256 steps each
Note
The specification of the GUI display during the UVC control
is as follows.
• When "Auto" is checked, the setting becomes "AUTO".
(Initial setting state)
• When "Auto" is unchecked, the R gain and B gain at that
time are maintained.
• Display value and mode
0: AUTO, 1: INDOOR, 2: OUTDOOR
When the white balance is set to Manual, One Push and
ATW in the control method other than UVC, and it is
changed to the UVC control, the unit is set to "AUTO".
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
Iris, Gain and Shutter Speed can be set automatically.
• Gain Limit Setting
The gain limit can be set at the Full Auto, Shutter
Priority, Iris Priority, Bright and Manual 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 (F1.8 to Close, 14 steps), Auto Gain and
Shutter speed
• Manual
Variable Shutter, Iris and Gain
• Bright
Variable Iris and Gain (Close to F1.8, 14 steps and
F1.8 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 adjusted the
slow shutter according to subject brightness. The
picture output is read at a low rate from the memory.
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.
11
Basic Functions

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