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Matrox Helios eD/XD acquisition section
73
❖ Note that an external source must be used to power the rotary encoder (for
example, the computer's 5 V power source).
For each PSG, you can program two auxiliary signals as quadrature inputs. One
to carry the first bit, and one to carry the second. Quadrature decoder settings can
be toggled using the MIL-Lite function MdigControl() with
, or by
M_ROTARY...
modifying the DCF file.
Matrox Helios eD/XD acquisition section
Matrox Helios eD/XD can capture video from LVDS or RS-422 digital video
sources, depending on the version of the board purchased; unless otherwise
specified, discussions of the LVDS version apply to the RS-422 version.
The board has four 16-bit acquisition paths that can be operated completely
independently of each other. These paths can be configured to acquire from two,
four, and eight-tap monochrome video sources, as well as from RGB video sources.
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