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4.7.4. Controlling the Box Size
Press the SIZE button, when the box its button is blinking, to adjust the box size. The size of the box can
be adjusted in one of four modes, depending on the setting of the Setup menu Force Centre item and the
Auto aspect ratio mode. The remote panel display will show the box size while the SIZE button is brightly
illuminated. The On screen display will show the grid size as pixels and lines and as a percentage of its
reference aperture. The size adjust function will be deselected after 3 minutes of panel activity, or when
another button is pressed.
4.7.4.1.
Controlling the Box Size (Objects centred, Aspect Ratio Off)
Setup menu
Auto Aspect ratio
When Force Centre is On and auto aspect ratio is Off, the left shaft encoder is used to adjust the height
and the right shaft encoder is used to adjust the width about the centre of the raster then the SIZE button
is selected.
4.7.4.2.
Controlling the Box Size (Aspect Ratio On)
Auto Aspect ratio
When auto aspect ratio mode is On, the shaft encoders are used to adjust the overall size of the box
proportionately about the centre of the raster based upon the aspect ratio selected. The left knob adjusts
the top right corner of the box and the right knob adjusts the bottom right corner of the box.
4.7.4.3.
Controlling the Box Size and Position (Objects not centred, Aspect Ratio Off)
Setup menu
Auto Aspect ratio
When Force Centre is Off and, and auto aspect ratio mode is Off the left shaft encoder is used to adjust
the bottom side of the box, and the right shaft encoder is used to adjust the right side of the box.
4.7.5. Controlling the Box Position
Press the POS button while the box button is blinking to control the position of the box. When auto aspect
ratio mode is Off and the Setup menu Force Centre item is set to no the left shaft encoder is used to
adjust the vertical position of the box, i.e. move the box up or down, and the right shaft encoder is used to
adjust the horizontal position of the box, i.e. move the box left or right. The remote panel display will show
the box position while the POS button is brightly illuminated.
deselected after 3 minutes of panel activity, or when another button is pressed.
If one of the auto aspect ratios is selected or the Setup menu Force Centre item is set to yes, then the
position of the box is fixed to the centre of the clean aperture. The display will show Box centred.
DESKTOP CONTROL PANEL OPERATION
HD9690 Series HDTV Graticule Generator Manual
Force centre
Yes
Off
1:1
4:3
14:9
16:9
Force centre
no
off
1.67
1.85
2.35
The position adjust function will be
Revision 1.5
Page 4-19
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