Selecting Gain, Color Temperature, And White Balance Values - Sony SRW-9000 Operation Manual
Hd camcorder/hd-sdi expansion board/rgb 4:4:4processor board
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- Operation manual (205 pages)
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3: The selected CC filter is displayed.
4: Dispalys the color temperature corresponding
to the filter selected at 3.
Selecting Gain, Color
Temperature, and White Balance
Values
The setting items and values in Cine mode and
Custom mode are different.
In Cine mode: Gain setting page
1
1: You can select the gain value from among the
following: –6 dB, –3 dB, 0 dB, 3 dB, 6 dB, 9
dB, and 12 dB (the factory default is 0 dB).
The corresponding ISO sensitivity is
displayed in parentheses.
2: Displays either a dynamic range or a latitude
(see ("ISO sensitivity and dynamic range
indications" page 45)).
The second line selects the color temperature
filter. You can select TUNGSTEN or
DAYLIGHT.
With DAYLIGHT, electrical gain 5600K is on.
The white balance is fixed at the preset value
(3200K).
In Custom mode: Gain setting page
3
The first line is in common with Cine mode (page
45).
3: Turn on/off Electrical gain 5600K (the
factory default is off).
4: Select the white balance setting (the factory
default is W:P).
Setting
Value
W:P
Preset value (3200K)
W:A
The value stored in memory A
W:B
The value stored in memory B
For details on white balance adjustment, see
"Adjusting the White Balance (in Custom Mode)"
(page 51).
Gain switch values (L/M/H) page
You can use the gain switch of the RM-B150
Remote Control Unit to switch the gain of this
unit's video amplifier. You can also assign gain
functions to assignable buttons 5 to 8. Before
doing so, you need to set a gain value for each
position (L/M/H). You can set these values on
2
this page. This page also allows you to switch the
optical amplifier gain between the L, M, and H
values.
To adjust the gain, you can either select it directly or
switch between the L, M, and H values. If you set it
directly, it may differ from the L, M, and H values, in
which case the unit displays L*, M*, and H* with
asterisks to indicate that the gain value is different from
the values assigned to L, M, and H.
Immediately after you power the unit on, GAIN is
always displayed as "**", to indicate that the gain switch
position is undetermined. At this time, the gain is most
recent gain value from the last time you used the unit.
(The unit assumes that the position is undetermined
because you may have powered the unit off with L*, M*,
and H* displayed.)
When GAIN is displayed as "**", and you switch it with
the assignable buttons or a subdisplay operation, the unit
always selects L first.
You can make the same settings on the GAIN
ASSIGN page of the OPERATION menu (see
page 101).
4
ISO sensitivity and dynamic range
indications
The ISO sensitivity value displayed on the Gain
setting page is defined as "the value at which the
video input becomes 20% when shooting a gray
scale chart with a 18% reflection rate."
Note that the video output value with respect to
this input will vary depending on the selected
gamma.
Dynamic ranges are displayed as percentage
values. They show the high luminance limit for
the case where grayscale white output is 100%
Note
Basic Settings with the Subdisplay
45
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