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LDK 8000 HDTV camera system User’s Guide (v3.0) 53
Chapter 5 - Operating instructions
Figure 5-6. Video control buttons
5.7.2 Test signal
The left-front side panel of the camera has a Colour bars switch for switching on a colour bar
test signal. The colour bar is the standard test signal that is used to set up and check the
camera before use. 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.
5.7.3 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 Gain switch on the left-front side of the camera.
1. When this switch is pressed initially, the current value of the gain in dB is displayed in the
viewfinder.
2. Holding the switch in the up or down position for a very short period selects one of the
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 in the viewfinder light to indicate the value selected. (The + and
++ indicators light when the gain is +++.)
Clear
ND1/4
ND1/16
ND1/64
Clear
Star 4P
Star 6P
Soft Focus
1
2
A
B
C
D
3
4
Power
SW1
SW 2
Std.
File
+
-
+
-
Gain
Bars
Off
Off
Col. Temp.
Black Str.
Colour bars switch
Gain switch
Standard file button
Filter wheel
switches
Black stretch switch
Colour temperature
switch