912. Input/output signal settings2-2-4. Setting the down-converter (option)Select the settings for the down-converter that is built into theSDI output board (option: AV-HS04M7).1 On the Output sub menu, use [F2] to select the outputto be set using the Select item. Refer to “2-2. Output signal settings”.2 Use [F1] to display the Down Converter sub menu.3 Use [F2] to select the scaling system using the Scaleitem.Squeeze The top, bottom, left and right are reduced sothat the aspect ratio is set to 4:3.Edge Crop The aspect ratio is maintained, the imageis reduced in size in line with the verticalresolution, and it is cropped at the left andright.Letter Box The aspect ratio is maintained, the imageis reduced in size in line with the horizontalresolution, and a black image is added at thetop and bottom.System image (HD)Output image (SD)Squeeze Edge Crop Letter Box4 Use [F3] to set the delay time of the output using theDelay item.90H(75H) When the system format is 1080/59.94i, theimage is delayed from the system image(HD) by 90H, and output.When the system format is 720/59.94p, theimage is delayed from the system image(HD) by 90H+1F (frame), and output.When the system format is 1080/50i, theimage is delayed from the system image(HD) by 75H, and output.When the system format is 720/50p, theimage is delayed from the system image(HD) by 75H+1F (frame), and output.When the system format is 1080/50i or720/50p, “75H” is displayed on the menu.1F The image is output in-phase with a delay of1 frame from the system image (HD).For details on the phase and delay amounts, refer to“2-4. Adjusting the output signal phase”.5 Use [F4] to set the extent of the edge sharpness for theimages using the Sharp item.1 Standard 5 Very sharp edgesFor details on the other settings, refer to the operatinginstructions of the option board.
