NEC Projector PA622U User Manual

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5. Using On-Screen Menu
[IMAGE OPTIONS]
Adjusting	Clock	and	Phase	[CLOCK/PHASE]
This	allows	you	to	manually	adjust	CLOCK	and	PHASE.
CLOCK �������������������Use this item to fine tune the computer image or to remove any vertical banding that might appear � This 
function adjusts the clock frequencies that eliminate the horizontal ban\
ding in the image�
This adjustment may be necessary when you connect your computer for the first time�
PHASE �������������������Use  this  item  to  adjust  the  clock...

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5. Using On-Screen Menu
Adjusting	Horizontal/Vertical	Position	[HORIZONTAL/VERTICAL]
Adjusts	the	image	location	horizontally	and	vertically.
•	 An	image	can	be	distorted	during	the	adjustment	of	[CLOCK]	and	[PHASE].	This	is	not	malfunction.
•	 The	 adjustments	 for	[CLOCK],	 [PHASE],	[HORIZONTAL],	 and	[VERTICAL]	 will	be	stored	 in	memory	 for	the	
current	 signal.	The	 next	 time	 you	project	 the	signal	 with	the	same	 resolution,	 horizontal	and	vertical	 frequency,	
its	adjustments	will	be	called...

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5. Using On-Screen Menu
Selecting the Aspect Ratio [ASPECT RATIO]
Use	this	function	to	select	the	screen’s	vertical:horizontal	aspect	ratio.
Select	the	screen	 type	(4:3	screen,	 16:9	screen	 or	16:10	 screen)	 at	the	 screen	 setting	before	setting	 the	aspect	 ratio.	
(→	page	97)
The	projector	automatically	identifies	the	signal	being	input	and	sets	the	optimum	aspect	ratio.
For Computer signal
For	Component/Video/S-Video	signals
When	the	screen	type	is	set	to	4:3When	the	screen	type	is	set	to	16:9...

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5. Using On-Screen Menu
OptionsFunction
NATIVE
The	projector	displays	the	current	image	in	its	true	resolution	when	the	incoming	computer	signal	has	a	lower	or	higher	resolution	than	the	projector’s	native	resolution. 	(→	page	2)When	the	incoming	computer	signal	has	a	higher	resolution	than	the	projector's	native	resolution,	the	center	of	an	image	will	be	displayed.
LETTER	BOXThe	image	of	a	letterbox	signal	(16:9)	is	stretched	equally	in	the	horizontal	and	vertical	directions	to	fit	the	screen....

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5. Using On-Screen Menu
[VIDEO]
Using Noise Reduction [NOISE REDUCTION]
When	projecting	 a	video 	image, 	you 	can 	use 	the 	[NOISE 	REDUCTION]	 function	to 	reduce 	the 	screen 	noise 	(roughness	
and	 distortion). 	This	 device	 is	equipped	 with	three	 types	 of	noise	 reduction	 functions.	Select	 the	function	 according	 to	
the	type	 of	noise. 	Depending	 on	the	 noise	 level,	the	noise	 reduction	 effect	can	be	set	 to	[OFF],	 [LOW],	 [MEDIUM]	 or	
[HIGH].	[NOISE	REDUCTION]	can	be	selected	for...

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5. Using On-Screen Menu
[SIGNAL TYPE]
Selection	of	RGB	 and	component	 signals.	Normally,	 this	is	set	 to	[AUTO]. 	Please	 change	 the	setting	 if	the	 color	 of	the	
image	remains	unnatural.
AUTO ���������������������Automatically distinguishes RGB and component signals�
RGB �����������������������Switches to the RGB input�
COMPONENT ���������Switches to the component signal input�
[VIDEO	LEVEL]
Selection	 of	the	 video	 signal	 level	when	 connecting	 an	external	 device	to	the	 HDMI	 1	IN...

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5. Using On-Screen Menu
[3D SETTINGS]
Please	refer	to	“3-8	Projecting	3D	videos” 	(→	page	39)	for	the	operation.
STEREO	VIEWER
Stack	up	a	single	 or	multiple	 projectors	 and	carry	 out	the	settings	 for	projecting	 3D	videos. 	Select	 the	left	/	right	 set-
tings	of	the	3D	eyewear	using	the	stereo	viewer.
SINGLE ������������������Use a single projector to project 3D videos�
DUAL LEFT  ������������Use a dedicated projector for displaying videos on the left�
DUAL RIGHT ����������Use a dedicated...

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5. Using On-Screen Menu
❻ Menu Descriptions & Functions [DISPLAY]
[PIP/PICTURE BY PICTURE]
SUB INPUT
Select	the	input	signal	to	be	displayed	in	the	sub-display.
Please	refer	to	“4-2	Displaying	 Two	Pictures	at	the	Same	 Time”	(→	page	52)	for	details	on	the	operation.
MODE
Select	either	PIP	or	PICTURE	BY	PICTURE	when	switching	to	2-screen	display.
PICTURE SWAP
The	videos	in	the	main	display	and	sub-display	will	be	switched.
Please	refer	to	 “4-2	Displaying	 Two	Pictures	at	the	Same	 Time”	(→	page	54)...

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5. Using On-Screen Menu
TIP:
The	horizontal	 position	and	vertical	 position	 are	the	 amount	 of	movement	 from	the	reference	 points.	For	example,	 when	TOP-LEFT	
is adjusted, the position is displayed with the same amount of movement \
even if displayed with other starting positions.
The maximum amount of movement is half the resolution of the projector.
Reference	point
Adjust	using	the	horizon-
tal	position
Sub-display Main	display
Reference	point
Adjust	using	the	vertical	position TOP-LEFT...

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5. Using On-Screen Menu
[GEOMETRIC CORRECTION]
KEYSTONE
Display	the	trapezoid	correction	screen	and	adjust	the	trapezoidal	distortion	of	the	projection	screen.
To	display	 the	[KEYSTONE]	 screen,	select	→	[DISPLAY]	→	[GEOMETRIC	 CORRECTION]	→	[KEYSTONE]	 in	the	
on-screen	 menu.	The	 [GEOMETRIC	 CORRECTION]	 screen	can	also	 be	displayed	 by	pressing	 the	Geometric. 	button	
on	the	remote	control.
HORIZONTAL ���������Adjustments  when  projecting  from  a  diagonal  direction  to  the 
screen�...