Operating instructions | Video preferences
4-15
When the colour bar is selected the following functions are temporarily set to
Off
:
•
Black stretch
•
White limiter
•
Zebra
•
Safe area (VF)
•
Cadre (VF)
The lens iris closes automatically when the colour bars are switched on.
4.8.3 Gain selection
Depending on the available light levels it may be necessary to adjust the gain of the
camera. The gain is selected via the up/down scroll
Gain switch
(10) on the left-
front side of the camera. When this switch is pressed initially, the current value of
the gain in dB is displayed in the viewfinder.
The up/down scroll
Gain switch
(10) gives a choice of five master gain settings: -, 0,
+, ++ and +++. The actual value of the gain in dB is assigned to these symbols in
the
INSTALL
menu.
The
Gain indicators
(28) in the viewfinder light to indicate the value selected. (The
+ and ++ indicators light when the gain is +++.)
4.8.4 Optical filter selection
A neutral density filter and a special effect filter can be placed in the path of the
optical signal to modify the incoming light. The filters are selected via the
Filter
switches
(1) at the top-front of the camera. These filters can be used, for example,
to control depth of field or exposure levels.
The camera does not need colour optical filters to be able to white balance
correctly. The range of the auto-white balance is so wide (from 2.5K to 20K) that
there is never any need to use colour filters to obtain the correct white. Rotate the
switches to move the optical filter wheels.
Table 4-2. Gain values
Symbol
Gain
-
can be set to:
-6dB or -3dB
0
is always
0dB.
+
can be set to:
6, 9, 12 or 18dB
++
can be set to:
9, 12, 18 or 24dB
+++
can be set to:
30 or 36dB (or 42dB IT/ITW)
