Hitachi CMP4121HDU Actions to Correct Abnormal Displays, Symptom, Example, Adjustment, Procedure

Actions to Correct Abnormal Displays

■Depending on the kind of system equipment used, images may not be displayed normally. In this case, make the adjustments suggested below.

Symptom 1	Text displayed across the screen appears vertically streaked, with some characters blurred
	(figure 1).
	The display image appears flowing (figure 2) (RGB input).
	Figure 1					Vertical	Before adjustment
						streaks	Some characters
							are blurred.
					ABCDEFGHIJ		ABCB
				abcdefgABCDEFGabcd
				ABCDEFGHIJ
				abcdefgABCDEFGabcd
Example
				ABC			ABCABC
				After adjustment			After adjustment
				All characters appear			All characters are
				crisp now.			blurred.
	1) Press MENU button to open the MAIN MENU.
	2) Press SELECT button		several times to choose DISPLAY.
	3) Press	to open the DISPLAY MENU.
	4) Press	to choose AUTO ADJUST.
	5) Press	. (ADJUST OK)
	(Adjust the by displaying a fine pattern, such as a character string, or vertical streak
	pattern across the screen.)
	If AUTO ADJUST does not work well.
Adjustment	6) Press MENU button to open the MAIN MENU.
	7) Press SELECT button		several times to choose DISPLAY.
procedure
	8) Press	to open the DISPLAY MENU.
	9) Press	to choose MANUAL ADJUST.
	10) Press	to open the MANUAL ADJUST MENU.
	11) Press	several times to choose CLOCK.
	(Adjust the clock by displaying a fine pattern, such as a character string, or vertical streak
	pattern across the screen.)
	12) Press	or	to make the text appear uniform across the screen.

13)If the text appears blurred across the screen, make the adjustment instructed in Symptom 2.

•The display image may be momentarily disturbed during clock adjustment but this is not a

failure.

ENGLISH

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