MICROTRONIX DX-2200, Руководство пользователя

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DX-2200
– SD/HD-SDI Text & Graphics Inserter – User Manual
Page 38 of 103
Figure 16: Sample of Corner Markers, Target and Text
Table 10: Graphic Overlay SERIAL Commands
Command Code Mode of Operation
Graphic Overlay Commands
GLn
Select the active graphics layer. Subsequent graphics commands refer to the active
layer.
n = 1 Select Graphics Layer 1
n = 2 Select Graphics Layer 2
n = 3 Select Graphics Layer 3
G0Z
Reset all Graphic Fields to default. This command affects the Fields on both Graphic
Layer 2 and Graphic Layer 3. The command resets the parameters of the Fields, but
does not update any layers. The video output will not change for any layer until the
next update of that.
GZ
Reset all Graphic Fields on the active layer to default. This command only resets the
parameters of the Fields, but does not update the layer. The video will not change until
the layer is updated.
GnnZ
Reset Graphic Field nn of the active layer to defaults. The layer is not automatically
updated and the video will not change until the next update.
GnnMm
Select the type for Graphic Field nn.
m = 1 Text
m = 2 Rectangle
m = 3 Corner Markers
m = 4 Target Marker
m = 5 Graphic Image
m = 6 Rectangle specified by top/left corner and width/height
GU
Update the active layer. The Graphic Fields on the active layer are rendered to the
spare frame buffer and when rendering is complete, the frame buffers are switched so
that the spare buffer becomes active and the updated video is displayed. The new
spare buffer is automatically cleared.