Sony CCU-TX50 Operating Instructions Manual page 150

Locations and Functions of Parts
5 AUTO button
Press and light the button to automatically adjust the
iris according to the amount of input light.
When this button is lit, the reference value for
automatic iris adjustment can be set with the iris
control.
If you press the button when lit, it goes dark and
manual iris adjustment is enabled.
6 f-number display
Displays the f number of the current iris setting. When
the iris is closed, "CL" is displayed.
When the DXC-D50 series is connected, "OP" is
displayed for the maximum f-number value.
7 EXT (lens extender) indicator
Lights when the lens extender is used.
8 SENS (sensitivity) control knob
Used for manual iris adjustment in Absolute mode.
This control is not operative when Relative mode is
selected.
See the table "Iris adjustment functions"to the right.
9 COARSE control knob
Used for manual iris adjustment.
See the table "Iris adjustment functions"to the right.
0 Master black control ring
Turn to manually adjust the master black level.
qa IRIS control lever
When the AUTO button is not lit, you can adjust the
iris manually by moving the lever.
When the AUTO button is lit, the reference value for
automatic iris adjustment can be set.
See the table "Iris adjustment functions" to the right.
qs Preview switch
Press this switch to control an external device
connected to the EXT I/O connector on the connector
panel.
For the operational specifications, see "3 EXT I/O
(external input/output) connector (9-pin)" in "Connector
Panel" on page 66.
64
qd IRIS RELATIVE (iris relative) button
When the IRIS/M.BLACK ACTIVE button is lit, the
iris adjustment mode can be selected with this button.
Press and light up the button for Relative mode or
press so that it goes dark for Absolute mode.
When the IRIS/M.BLACK ACTIVE button is not lit,
Relative mode is automatically selected and this button
is not operative.
Note
When VR STD MODE is set to Absolute with "VR
Setting" of the RCP Config menu, Relative mode is
not selected even if you turn the IRIS/M.BLACK
ACTIVE button off. When you turn the IRIS/
M.BLACK ACTIVE button on, the iris setting
corresponding to the IRIS lever position is restored.
Iris adjustment functions
Relative mode
(RELATIVE button lit)
IRIS lever Adjusts the iris with
(RCP-D50)/ relative values from
IRIS control OPEN to CLOSED.
(RCP-D51)
COARSE Adjusts the total
control range from OPEN
to CLOSED in relative
values.
SENS Does not function.
control
a) The adjustable range can be set with "VR Rel. Scale" of
the RCP Config menu.
Absolute mode
(RELATIVE button not lit)
Adjusts the iris
within the variable
a)
range set by the
SENS and COARSE
controls.
Sets the lower limit
for CLOSED.
Sets the upper limit
for OPEN according
to CLOSED value
set by the COARSE
control.