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RGB Adjustment Controls
When displaying computer patterns which repeat every other dot (tiling, vertical stripes, etc.), interference may
occur between the LCD pixels, causing flickering, vertical stripes, or contrast irregularities in portions of the
screen. Should this occur, use the ADJUSTMENT ß/© buttons for HORIZONTAL (LEFT/RIGHT) and VERTICAL
(UP/DOWN) position adjustments to adjust for the optimum picture.
RGB Input Adjustments (“CLOCK”, “PHASE”, “V-POS”
and “H-POS”)
1. Select the input of the image you want to adjust (RGB 1 or
2) with the INPUT SELECT button and press the MENU
button.
With the MENU screen displayed, press the ADJUSTMENT ƒ/∂ buttons
to select “RGB 1 INPUT ADJ.” Then press the ENTER button to display the
“RGB 1 INPUT ADJ.” screen.
2. Select the item you wish to adjust with the ADJUST-
MENT ƒ/∂ buttons. Adjust the item with the ADJUST-
MENT ß/© buttons.
Note:
• To display only the item that you want to adjust, press the ENTER button after selecting the item
with the ADJUSTMENT ƒ/∂ buttons. Then adjust the item with the ADJUSTMENT ß/© buttons.
3. Press the MENU button anytime to exit RGB INPUT ADJ.
Description of Adjustment Items
CLOCK SPEED ADJUSTMENT (FAST/SLOW)
• Adjust the input signal horizontal frequency and the dot clock so that the screen
display is normal.
PHASE ADJUSTMENT (UP/DOWN)
• Used to reduce image distortion or improve contrast.
HORIZONTAL POSITION ADJUSTMENT (LEFT/RIGHT)
• Used to center the on-screen image by moving it to the left or right.
VERTICAL POSITION ADJUSTMENT (UP/DOWN)
• Used to center the on-screen image by moving it up or down.
MODE ADJUSTMENT
C
ONNECTING TO IBM-PC COMPUTERS
• Ordinarily, the type of input signal is detected and the correct resolution mode
(Text or Graphics) is automatically selected. However, for the following signals,
set “MODE” to “ON” or “OFF” to select the projector’s resolution mode to match
the computer display mode properly.
720 dots ן 400 lines, 720 dots ן 350 lines (Text Mode)
640 dots ן 400 lines, 640 dots ן 350 lines (Graphic Mode)
• For graphic mode, select “MODE” and set the “MODE” to “ON”.
• For text mode, select “MODE” again at this time, and set “MODE” to “OFF”.
C
ONNECTING TO MACINTOSH LC/II SERIES COMPUTERS
• When connecting to a Macintosh II with 35 kHz Dot Frequency, select “MODE”
and set “MODE” to “ON”.
• When connecting to a Macintosh LC Series computer with 34.97 kHz Dot Fre-
quency, set “MODE” to “OFF”.
• When connecting to third party video cards and other Macintosh computers, set
“MODE” to “ON” or “OFF” to select the correct display mode.
• When the input signal is automatically detected or when there is no input signal,
“MODE (---)” appears on the screen and the display mode cannot be changed.
INITIAL RESET
• To return the “H-POS”, “V-POS”, “PHASE” and “CLOCK” adjustments to their
initial settings, select “RESET” and then press the ENTER button.
MEMORY SELECT
• Used to store up to seven computer mode adjustments.
Note:
• Avoid displaying computer patterns which repeat every other line (horizontal stripes). (Flickering
may occur, making the picture hard to see.)
2
RGB1 INPUT ADJ.
PHASE
H-POS
V-POS
MODE
RESET
MEMORY SELECT
+
0
0
0
0
:SEL.
:ADJ.
:NEXT
ENTER
:END
MENU
[
OFF
]
-
+
-
+
-
+
-
CLOCK
On-Screen Display