C O M M A N D L I N E I N T E R F A C E
Timing Parameters
350-7951
Quadra User’s Guide
79
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SYNC
Sync format
3, 4, or 5 wires
This command applies to
analog RGB inputs only.
In 3 wire sync systems the H &
V sync signals are combined
with the Green signal.
In 4 wire sync systems the
H&V sync signals are
combined and transmitted on a
dedicated wire.
5 wire systems the H & V
signals are transmitted on
separate dedicated wires.
HPOL
Horizontal sync polarity
1 or 0
The value “1” represents
positive sync polarity and the
value “0” represents negative
sync polarity. Typically the
horizontal and vertical sync
have the same polarity. Note
that three wire sync is always
negative polarity.
VPOL
Vertical sync polarity
1 or 0
The value “1” represents
positive sync polarity and the
value “0” represents negative
sync polarity. Note that three
wire sync is always negative
polarity.
IL
Interlaced/Noninterlaced
1 or 0
The value “1” represents
interlaced scan and “0”
represents non-interlaced
(progressive) scan. Note that
video signals are typically
interlaced, and graphics signals
are typically non-interlaced.
Table 4-16.
Definitions and Ranges for Timing Parameters(Continued)
Parameter
Definitions
Ranges
Comments
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