Barco Trace+ R9040341, Owner'S Manual, Page: 79 / 151

6. Random Access
6.5.7.4.2 Horizontal or Vertical Linearity selection
What can be done with the Linearity adjustment ?
Within this Linearity adjustment mode it is possible to perform a coarse correction of the horizontal and vertical nonlinearity.
The Linearity adjustment is best done when a hatch pattern is projected on the screen.
By pressing the * key on the RCU an internal hatch pattern is projected instead of the image data.
How to select the Horizontal or Vertical Linearity ?
1. By default
horizontal
is selected.
2. Press
ENTER
to toggle between
horizontal
and
vertical
.
6.5.7.4.3 Horizontal Linearity adjustment
How to adjust the Horizontal Linearity ?
A correct Horizontal Linearity is achieved when the distances between the vertical lines of the hatch pattern are equal or almost
equal from left to right.
1. Is
Horizontal
Linearity selected ?
If yes, go to step 2
If no, Push the cursor key
↑ or ↓ to highlight
Vertical
and press
ENTER
to toggle to
Horizontal
.
2. Push the cursor key ↑ or ↓ to highlight
coarse
. (menu 6-69)
3. Push the cursor key ← or → to perform a coarse linearity correction of both sides of the image. (image 6-27)
4. Push the cursor key ↑ or ↓ to highlight
right
. (menu 6-70)
5. Push the cursor key ← or → to correct the linearity of the right side of the image. (image 6-28)
6. Push the cursor key ↑ or ↓ to highlight
center
. (menu 6-71)
7. Push the cursor key ← or → to correct the linearity of the center of the image. (image 6-29)
8. Continue with the vertical linearity adjustment.
LINEARITY
horizontal
coarse 0
right 0
center 0
Menu 6-69
LINEARITY
horizontal
coarse 0
right 0
center 0
Menu 6-70
LINEARITY
horizontal
coarse 0
right 0
center 0
Menu 6-71
R5976781 TRACE+ 14/09/2004 75