ARC130S SECTION
4
ARC130S 060801 Version 1 Issue 1
4.3
BLANKING
From the Home Screen, press ENT and scroll to
Blank. Press ENT and scroll between Input and
Output. Press ENT on the selected function.
Selecting
Input
allows you to adjust the input
blanking. Input blanking is used where the source
video applied is known to have pixels/lines at the
edge of the picture that you do not want to display.
The ARC130S will then blank any output data
which has been generated by that input data,
regardless of the display control settings.
Selecting
Output
is used where you do not want
the output to be active on more than a certain
range of output lines. For example you can impose
an artificial letterbox by bringing the top output
blanking down the screen and the bottom output
blanking up the screen.
Top: Adjusts the top line of blanking. 0 equals no
blanking on any output lines that would normally be
visible, 1 equals blank the first active line, etc.
Bottom: Adjusts the bottom line of blanking. 576
(PAL) or 486 (NTSC) equals no blanking on any
output lines that would normally be visible. 575
(PAL) or 485 (NTSC) equals blank the last active
line, etc.
Left: Adjusts the left-hand edge of blanking. 0
equals no blanking on any output pixels that would
normally be visible. 1 equals blank the first active
pixel.
Right: Adjusts the right-hand edge of blanking. 720
equals no blanking of any output pixels that would
normally be visible. 719 equals blank the last active
pixel.
