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2. Input/output signal settings
2-2-4. Setting the down-converter (option)
Select the settings for the down-converter that is built into the
SDI output board (option: AV-HS04M7).
On the Output sub menu, use [F2] to select the output
to be set using the Select item.
Refer to “2-2. Output signal settings”.
Use [F1] to display the Down Converter sub menu.
Use [F2] to select the scaling system using the Scale
item.
Squeeze The top, bottom, left and right are reduced so
that the aspect ratio is set to 4:3.
Edge Crop The aspect ratio is maintained, the image
is reduced in size in line with the vertical
resolution, and it is cropped at the left and
right.
Letter Box The aspect ratio is maintained, the image
is reduced in size in line with the horizontal
resolution, and a black image is added at the
top and bottom.
System image (HD)
Output image (SD)
Squeeze Edge Crop Letter Box
Use [F3] to set the delay time of the output using the
Delay item.
90H(75H) When the system format is 1080/59.94i, the
image is delayed from the system image
(HD) by 90H, and output.
When the system format is 720/59.94p, the
image is delayed from the system image
(HD) by 90H+1F (frame), and output.
When the system format is 1080/50i, the
image is delayed from the system image
(HD) by 75H, and output.
When the system format is 720/50p, the
image is delayed from the system image
(HD) by 75H+1F (frame), and output.
When the system format is 1080/50i or
720/50p, “75H” is displayed on the menu.
1F The image is output in-phase with a delay of
1 frame from the system image (HD).
For details on the phase and delay amounts, refer to
“2-4. Adjusting the output signal phase”.
Use [F4] to set the extent of the edge sharpness for the
images using the Sharp item.
1Standard
5Very sharp edges
For details on the other settings, refer to the operating
instructions of the option board.