Operations
19
VANC Line Selection
This field accepts either a comma separated list of
specific line numbers, or the limits of a range separated by a
hyphen as shown here.
•
In 720p operation, up to 12 lines can be specified. Valid line numbers are in the
range of 1 to 25.
•
In 1080i operation, up to 6 lines can be selected from field 1; the corresponding
lines in field 2 will automatically be recorded. Valid line numbers in 1080i are in
the range of 1 to 20.
Output Timing
This controls the timing relationship of the output to the
reference, which is the input video. (The
GENLOCK
input is not active
and is reserved for future use.)
Note that these timing adjustments apply only to the Delay
output, not the Monitor output. The monitor outputs are designed
for confidence monitoring only, and are not timed.
In most applications these adjustments are not necessary. They are only used in
environments where the output must be adjusted to match other timed equipment, for example
when using a switcher or video mixer that requires precise timing alignment.
Both adjustments are made by using numeric entry from the keyboard or the Up and Down
Arrow buttons next to the parameter’s numeric display.
The Output Timing values are the only parameters that are adjustable while the Time Delay
is in RUN to allow timing while in operation. Adjustments take effect immediately without using
Apply or OK, allowing the effects to be seen easily. The picture will blank while the change takes
effect.
Vertical (Lines
)
Adjusts the output line timing in relation to the reference, by an amount equal to one complete
line. The adjustment range is -4 to +30 lines.
Horizontal (nsec
)
Adjusts the output line timing in relation to the reference, by an amount equal to one half pixel.
The adjustment range is ±100,000.
The Up/Down Arrow buttons increment in steps of 10 nsec.
