Iris Adjustments; Automatic Adjustment; Chapter 4 4-5 Iris Adjustments - Sony BVP-900 Series System Manual

4-5 Iris Adjustments

The iris can be adjusted either automatically or
manually on the iris/master black control block.

4-5-1 Automatic Adjustment

Example 1:
MSU-700A
EXT indicator
EXT
1
Display window
Example 2:
RCP-740
RELATIVE
IRIS/MB
ACTIVE
CLOSE
2
AUTO
IRIS indicator
Display window
EXT indicator
Example 3:
RCP-741
RELATIVE
EXT
IRIS indicator
IRIS
4-40
Chapter 4 Adjustments
Display window
IRIS
2
AUTO
EXT indicator
EXT
SENS
1.4
2.0
2.8
CLOSE OPEN
4.0
COARSE
5.6
8.0
11
0
15
1
22
CLOSE
IRIS
2
AUTO SENS
CLOSE OPEN
CLOSE
COARSE
1.4
2.0
2.8
4.0
5.6 1
8.0
11
15
22
CLOSE
When required, the various requirements for the
automatic adjustment can be adjusted.
See "4-5-4 Auto Iris Setup."
Although the structure of the control block is not the
same, the operating procedure is the same.
When a lens extender is used on the camera, the EXT
indicator lights.
Note
If the CLOSE button (see "4-5-3 Closing Function")
of the MSU-700A/750 or the RCP-700-series panel is
lit, press the button so that it goes dark.
Operating procedure
1
Set the IRIS lever or the IRIS control to its center
position.
2
Press and light the AUTO button.
As long as the AUTO button is lit, the iris will be
automatically adjusted to the optimum setting
according to the amount of the input light.
On the MSU-700A/750 and RCP-720/721/730/731/
740/741, the iris setting is displayed in f number in the
display window.
On the RCP-730/740/741, the LED of the IRIS
indicator also lights according to the setting.
Adjusting the reference value for automatic
adjustment
When the AUTO button is lit, you can adjust the
reference value for automatic adjustment in a range of
±2 iris settings by moving the IRIS lever or IRIS
control.