2. In the Video Aspect Ratio (AR) Common Settings for Primary and
Secondary video tab, set the Use Input AFD to false to enable manual control
of the aspect ratio conversion.
3. Choose the Default Aspect Ratio Conversion as either Anamorphic, Center
Cut or Letter Box, as required.
Figure 3.46 Manual Aspect Ratio Conversion - Setting Input AFD
3.7.24.3 Combination of Parameters with PiP Down-conversion and Aspect Ratio
Signalling
The example picture shown in Figure 3.47 represents an HD source, with an aspect
ratio of 16:9.
Figure 3.47 HD Input Picture
Table 3.9 shows how both SD and PiP outputs are presented with the various
combinations of:
• Down-conversion Default Aspect Ratio Conversion (Anamorphic, Center Cut,
Letter Box).
• Aspect Ratio setting on the encoder (4:3 or 16:9).