MICROTRONIX DX-2200-SW-02, User Manual

Page: 24 / 87

DX-2200
– Dual-view 2x1 SDI Video Switcher
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M
ODE
C
ONTROL
SERIAL C
OMMAND
The Mode Control SERIAL Command selects between: 2x1 Full-screen Switcher,
PiP, PAP Split Screen, Alpha Blended Overlay, Standby Switcher, and the
Vertically Stacked modes of operation.
The Mode Commands are listed in Table 7 below.
Table 7: Mode Control SERIAL Command Codes
Command Code Mode of Operation
Mode Control Commands
M1 Full screen 2x1 switcher mode
M2 PiP mode
M3 PAP (side-by-side) mode
M4 Split-screen mode
M5 Alpha Blended Overlay
M6 Standby switcher mode
M7 Vertcially Stacked mode
A
LPHA
B
LENDED
O
VERLAY
S
IZE AND
P
OSITION
SERIAL C
OMMANDS
When operating in Alpha Blended Mode, the DX-2200 allows the size and position
of the output video windows corresponding to the selected and non-selected
inputs to be changed. By default, both windows occupy the full screen.
The video window of the
selected input mixes onto a black background. The ‘BS’
commands control the size and position of the selected input
’s window. The non-
selected input is mixed on top of the video window of the selected input and the
black background.
The ‘BP’ commands control the size and position of the non-
selected input
’s window.
The size and position of the output windows can be set either in pixels, or as a
percentage of the output video size. To specify percentage, include a ‘%’
character after the size. If
the value for any parameter is set to ‘0’ without a ‘%’
character, the DX-2200 will use the default value for that parameter.
If either the width or height parameters for a window are set to
‘9999’, then the
DX-2200 will calculate a value for that parameter to preserve the aspect ratio of
the input video. If both the width and height are set to
‘9999’, then the video will be
full screen.
The minimum size (width or height) for a window is 32 pixels. The DX-2200 will
accept a smaller value in the commands, but will never display less than 32x32
pixels.
If a window size larger than full screen is specified, the DX-2200 will reduce the
size to full screen. If a position and size are specified that causes a window to