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Models 9590 & HD9590 Graticule Generator Manual
V no track The left shaft encoder is used to adjust the top of the grid and the right shaft encoder is used to
adjust the bottom of the grid.
H track
The left shaft encoder is used to adjust the horizontal position of the grid, i.e. move the grid left
or right and the right shaft encoder is used to adjust the width of the grid.
H no track The left shaft encoder is used to adjust the left side of the grid and the right shaft encoder is
used to adjust the right side of the grid.
3.5. CONTROLLING THE MASK OBJECT
The mask object consists of a horizontal masked area at the top and bottom of the raster, and a vertical
masked area at the left and right side of the raster. The Setup Mask Start menu item controls the first line
in the vertical that will be blanked by the mask object.
Throughout the remainder of section 3.4.3.2 the mask dimensions refer to the boundaries between the
masked and unmasked area.
3.5.1. Turning the Mask Object On and Off
To turn on the mask object press the MASK
blink momentarily (if the obj blink item on the setup menu is enabled), and the mask will be turned on. The
LED above the MASK
mask object, press the ON/OFF button when the LED is illuminated.
3.5.2. Controlling the Mask Modes
When the mask object is selected the MODE button is used to control its modes, such as aspect ratio, and
whether it is centred or not. Press the MODE button until the desired mode item is shown on the front
panel, along with the current setting. To select one of the other choices for that mode item, turn one of the
shaft encoders knobs. When you have chosen the desired setting for the mode item press the MODE
button again to save the new setting and view the next mode item. Continue pressing the MODE key until
you see the message Mode Select Off. The shaft encoders revert to controlling the selected attribute
for the mask.
3.5.2.1. Controlling the Aspect Ratio of the Mask
Aspect ratio
Off
This item is used to control whether the mask object shape is constrained to a specific aspect ratio, or
whether its horizontal and vertical dimensions can be independently controlled.
Select Off to allow the mask object's horizontal and vertical dimensions to be independently controlled.
Select one of the specific aspect ratios to constrain the horizontal and vertical dimensions of the mask
object so that its aspect ratio is maintained. The setting of the Mask Apert item in the Setup menu control
the maximum horizontal or vertical size of the mask when one of the specific aspect ratios is selected.
Page 3-14
button. A dashed line at the edge of the mask object will
button will come on indicating that the mask object is selected. To turn off the
1:1
4:3
See section 3.2.7 for further information.
14:9
16:9
1.67:1
RACK MOUNT PANEL OPERATION
1.85:1
2.35:1
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