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Clarity Visual Systems
September 1999
44
Use the PHASE button to adjust the phase of the internal sampling clock
relative to the incoming data. Phase noise is usually seen as fine, horizontal
lines moving through the image or as flickering edges on the displayed text.
Note: For video inputs, the Phase control does not affect the image.
1. Display an image
containing many
on/off
transitions
A large checkerboard pattern works best. (See Adjust the
Frequency, Computer Sources, Step 2 on page 43 to make
one in Paint.) With Sharpness on (X), if the PHASE setting
is not correct, the image will have thin horizontal lines
running or “dancing” through it.
2. Press the remote
control PHASE
button
The PHASE adjustment menu is displayed.
3. Adjust the phase
setting
Use the Left/Right arrow button to adjust for the best image
quality with the least amount of noise. There may be two
places in the Phase number where this happens. If there is
a large range of numbers where you see no noise, find the
“ends” of the clean range and set the Phase number
between these two.
4. Exit the PHASE
menu
Press the PREV MENU button to exit the menu.
Position the Image
Source Select
Frequency
Phase
Input Level
Position
Zoom
Wall Processor
Color Balance
Curtain
Hours
Save Config
Recall Config
Reset Config
Misc Control
About
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