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CALIBRE
Issue 4.03
27/03/03 Calibre UK Ltd 2003
Page 5
5) Aspect Ratio (Video signals only for SXGA panels) This allows a user to select the
displayed aspect ratio where the signal input is at variance with the display panel’s
natural aspect ratio. The format may be adjusted to either “Letter Box” (4:3 LB) or
“Overscan” (4:3 OS). “Letter Box” effectively adjusts the height of the displayed
image and “Overscan” effectively adjusts the width to achieve the desired 4:3
aspect ratio.
2.4.3. Input Select
This allows the user to configure the preferred input selections. If a facility is not fitted, it
will be displayed but not selectable. By pressing the Br+/Con+ and Br-/Con- keys, the
following choices can be made:
1) Signal type priority: Video-graphics or Graphics-video
2) Video priority search order –
CVBS – Y/C – SDI – Component
Y/C – CVBS – SDI – Component
SDI – Component – CVBS – Y/C
Component – SDI – CVBS – Y/C
3) Graphics search – RGB-DVI or DVI-RGB
4) Component video type – RGB or YUV. Incorrect colours may be due to wrong
selection here.
NOTE
you can only select those inputs which your monitor is configured for.
2.4.4. The Colour Menu
1) Video Inputs - The contrast (video gain) and brightness (black level) parameters,
also colour saturation for PAL, NTSC and SECAM inputs can be accessed from
this menu. For NTSC signals, there is an additional HUE option.
2) Computer Inputs – Individual Colour Adjustments - Red, green and blue levels can
be thought of as individual brightness controls for each of red, green and blue.
They should be adjusted for the desired colour balance and to minimise noise on
low intensity colours and greys. Colour tints can be added as required.
Gains can be thought of as individual contrast controls for each of red, green and
blue. They should be adjusted for the desired colour balance and lack of noise on
high intensity colours and whites. For example, a block of white can be changed to
a blue-tinge (clean) white or to a red-tinge (warm) white.