MICROTRONIX DX-2200-SW-02, User Manual

Page: 43 / 87

DX-2200
– Dual-view 2x1 SDI Video Switcher
Page 43 of 87
Command
Code
Mode of Operation
SnnMm
Select the type for Graphic Field nn.
m = 1 Text (default)
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
SU
Update the Overlay. The Graphic Fields 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.
SnnV Toggle the visibility of Graphic Field nn and update the layer.
SnnVN
Toggle the visibility setting for Graphic Field nn without updating the output.
The visibility of the Field does not change until another command causes an
update of the layer.
SnnS
Show (turn on) Graphic Field nn and update the layer so that the change
becomes visible.
SnnSN
Enable the visibility setting for Graphic Field nn without updating the output.
The Field does not appear until another command causes an update of the
layer
SnnH
Hide (turn off) Graphic Field nn and update the layer to make the change
visible.
SnnHN
Disable the visibility setting for a Graphic Field without updating the output.
The Field remains visible until another command causes an update of the
output.
SnnHffff
Hide (turn off) Field nn after a delay of approximately ffff frames of video. ffff is
a number between 1 and 4 digits in length. The layer is automatically updated
when the delay expires.
SnnBRrrr
For Graphic Field nn, set the value of the red component of the background
color to rrr, where rrr is a number between 1 and 3 digits in length and in the
range 0 to 255.
The background color is used for text background and for the fill region of a
rectangle.
SnnBGggg
For Graphic Field nn, set the value of the green component of the background
color to ggg, where ggg is a number between 1 and 3 digits in length and in
the range 0 to 255.
The background color is used for text background and for the fill region of a
rectangle.
SnnBBbbb
For Graphic Field nn, set the value of the blue component of the background
color to bbb, where bbb is a number between 1 and 3 digits in length and in
the range 0 to 255.
The background color is used for text background and for the fill region of a
rectangle.
SnnBAaaa
For Graphic Field nn, set the value of the transparency for the background to
aaa, where aaa is a number between 1 and 3 digits in length and in the range
0 to 255.
aaa = 0 makes the background fully visible.
aaa = 255 makes the background fully transparent (invisible).