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Models 9590 & HD9590 Graticule Generator Manual
can not switch between 1080i/59.94 and 1080i/50 because the video frequency divider is different for
these two standards.
•
Auto Video Standard Detection cannot distinguish between 1035I/60 and 1080I/60. The light will not
blink if the Graticule Generator is in 1035I/60 or 1080I/60 mode and the other standard is coming in
the input. If 1035I/60 video is on the input the Graticule Generator will detect it as 1080i/60 and output
a 1080i/60 formatted video signal. The only way to force 1035I/60 mode is to select it manually from
the Video Std. Menu. Since there is no LED to indicate 1035i/60 mode, no LED will blink if the HD9590
is in 1035i/60 and another video standard is placed on the input.
4.2.12. Selecting the Video Field Rate (HD9590)
Vid Freq =
1/1.001
On certain earlier revisions of the High Definition Graticule Generator hardware it is necessary to select
the video frame rate manually using this menu item. On later versions of the hardware that autodetect the
frame rate this menu item will not be present.
Select 1/1.001 when using high definition video with a frame rate of 23.976, 29.97 or 59.94 frames per
second.
Select 1/1 when using high definition video with a frame rate of 24, 30 or 60 frames per second.
4.3. CONTROLLING THE INDIVIDUAL OBJECTS
The Graticule Generator has separate controls for each of its objects (grid, mask, box1, box2, cursor, and
circle). To turn on the object press the corresponding button. The selected object will blink momentarily (if
the OBJ BLINK item on the SETUP menu is enabled), and will be automatically turned on. The object's
button will blink indicating that the object is selected. To turn off the object, press the object's button when
it is blinking. All objects will be automatically de-selected after two minutes of inactivity on the front panel.
Individual objects will also be deselected when another object is selected.
4.3.1. Controlling the Object Aspect Ratios
The AUTO ASPECT button is used to control the aspect ratio of the circle, the boxes and the mask, and
whether they are centred or not. When you press the AUTO ASPECT button the Graticule Generator
enters auto aspect ratio select mode and the current aspect ratio for the objects is displayed. Turn one of
the shaft encoder knobs to select from a list of available aspect ratios. After a 30-second timeout, the
Graticule Generator exits from the auto aspect ratio select mode. If the ESC button is pressed, the
Graticule Generator also exits from the auto aspect ratio select mode.
The auto aspect ratio mode forces the mask and box objects to be centred and their size to follow one of
the following fixed aspect ratios: 1:1, 4:3(1.33), 14:9 (1.55), 1.67, 16:9 (1.78), 1.85, 2.35. Auto aspect ratio
mode forces the circle object a 1:1 aspect ratio, and forces the grid, cursor and circle objects to be
centered. When the auto aspect ratio mode is set to Off the mask, box, and circle objects' dimensions are
not constrained to follow a fixed aspect ratio and the setup menu force centre item determines whether all
the objects will be forced to the centre of the raster.
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DESKTOP REMOTE OPERATION
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