Sharp XG-E1200U Instruction Manual download pdf (Page 21)

E-21

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 / 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 RGB 1 or 2 with the INPUT SELECT button and press

the MENU button to select the RGB INPUT ADJ. mode.

With the MENU screen displayed, press the ADJUSTMENT / buttons to select

“RGB INPUT ADJ.” Then press the ENTER button to display the RGB INPUT

ADJ. screen.

2. Select the item you wish to adjust with the ADJUSTMENT

/ buttons. Adjust the item with the ADJUSTMENT /

buttons.

Note:

• To display only the item that you want to adjust, press the ENTER button after selecting the item

with the ADJUSTMENT / buttons. Then adjust the item with the ADJUSTMENT / buttons.

3. Press the MENU button anytime to exit RGB INPUT ADJ.

RGB INPUT ADJ.

PHASE

H-POS

V-POS

MODE

RESET

:SEL.

:ADJ.

:NEXT

ENTER

:END

[

OFF

]

CLOCK

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

Connecting 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 × 400 lines, 720 dots × 350 lines (Text Mode)

640 dots × 400 lines, 640 dots × 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.

Connecting 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 Frequency, 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.

INPUT ADJUSTMENT

1 Filter switch

In the case of very detailed computer patterns which repeat every other dot (tiling, vertical

stripes, etc.), noise may appear on the screen. Should this occur, set the FILTER switch to ON.

The pattern area will balance, and the noise will be reduced.

Note:

• Avoid displaying computer patterns which repeat every other line (horizontal stripes).

(Flickering may occur, making the picture hard to see.)

FILTER

OFF

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Sharp XG-E1200U Instruction Manual Page 21

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