30
ViewSonic
PJ820
Operation
2
Press the < or > button to display the CLK PHASE
individual adjustment screen.
3
Continue pressing the < or > button to adjust the CLK
PHASE setting. The current setting will display on the screen
by numerals and a bar.The adjustment range is between 0 and
63.
2
Press the < or > button to display the DOT CLK adjustment
screen.
3
Continue pressing the < or > button to adjust the DOT CLK
setting. The current setting will be displayed on the screen by
numerals and a bar. The adjustment range is between 0 and 63.
About dot clock adjustment
When RGB signals are being input, you can make fine adjustments to the dot clock frequency and also adjust
the clock phase. Adjustments are made by the following procedure while viewing the picture. (This is only
effective for RGB signals.)
Adjusting the dot clock frequency
When RGB signals are being input, you can adjust the display area
of pictures sent from a computer.
The procedure below starts from the POSITION screen.
1
Press the /\ or \/ button to select DOT CLK.
If the STD (Standard) button is pressed while the POSITION
screen shown on the left is displayed, the letters STD appear in
yellow in the top-right corner of the screen. All displayed items
reset to the factory settings including the values and bar displays
which appear yellow.
Adjustment
function
display
Numeric
adjustment
level display
Bar display
Adjustment
function
display
Numeric
adjustment
level display
Bar display
1
Press the /\ or \/ button to select CLK PHASE.
If the STD (Standard) button is pressed while the POSITION
screen shown on the left is displayed, the letters STD turn
yellow in the top-right corner of the screen and all items
displayed will be reset to the factory pre-settings. The values
and bar shows items returned to the factory pre-settings in
yellow.
NOTE: Approximately five seconds after the most recent time a button is pressed, the POSITION screen will
be displayed. Press the MENU button to return to the POSITION screen or to clear the MENU screen.
If the STD (Standard) button is pressed while one of the individual adjustment screens is displayed, the value
and the bar display will appear yellow. Only the displayed item will reset to the factory pre-setting.
Adjusting the clock phase
You can use this adjustment to eliminate the flicker (localized noise)
that appears on computer screen when RGB signals are input.
The procedure below starts from the POSITION screen.
Summary of Contents for Office Theater PJ820
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