NEC Projector PA621U User Manual

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5. Using On-Screen Menu
[VIDEO	LEVEL]
This	function	 selects	video	signal	 level	when	 the	projector’s	 HDMI	and	DisplayPort	 input	connectors	 and	an	external	
device	are	connected.
AUTO ���������������������The video level is switched automatically based on the information from \
the device outputting the signal�
Depending on the connected device, this setting may not be made properly � In this case, switch to “NORMAL” 
or “ENHANCED” from the menu and view with the optimum setting�
NORMAL ����������������This disables the enhanced mode�
ENHANCED  ������������This improves the image’s contrast, expressing the dark and light sections more dynamically � 
						

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5. Using On-Screen Menu
 Menu Descriptions & Functions [SETUP]
[BASIC]
Correcting	Vertical	Keystone	Distortion	Manually	[KEYSTONE]
You	can	correct	vertical	distortion	manually. 	(→	page	22)
TIP:	When	this	option	is	highlighted,	pressing	the	ENTER	button	will	display	its	slide	bar	for	adjustment.
Selecting Cornerstone Mode [CORNERSTONE]
 
This	option	allows	you	to	correct	trapezoidal	distortion.
Selecting	this	item	will	display	the	Cornerstone	adjustment	screen. 	(→	page	32)
NOTE:	The	[CORNERSTONE]	item	is	not	available	when	[KEYSTONE]	or	[GEOMETRIC	CORRECTION]	is	selected.
Using	the	PIP/PICTURE	BY	PICTURE	Function	[PIP/PICTURE	BY	PICTURE]
This	function	allows	you	to	view	two	different	signals	simultaneously. 	(→	page	35)
MODE:	
This	option	allows	you	to	select	two	modes: 	PIP	and	PICTURE	BY	PICTURE.
PIP:	This	option	allows	you	to	view	a	sub	picture	in	the	main	picture.
PICTURE	BY	PICTURE: 	This	allows	you	to	view	two	pictures	side	by	side.
POSITION:
When	 [PIP]	is	selected	 for	[MODE],	 this	option	 allows	 you	to	select	 the	position	 of	a	sub	 picture	 in	the	 main	 pic-
ture.
The	options	are: 	TOP-LEFT,	 TOP-RIGHT,	BOTTOM	LEFT,	and	BOTTOM	RIGHT.
NOTE:	The	[POSITION]	cannot	be	selected	when	[PICTURE	BY	PICTURE]	is	selected. 
						

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5. Using On-Screen Menu
SOURCE:
This	option	allows	you	to	select	a	sub	picture	signal.
The	options	are:	OFF,	VIDEO	and	S-VIDEO.
Selecting	[OFF]	will	cancel	the	PIP/PICTURE	BY	PICTURE	mode	and	return	to	the	normal	screen.
Using the Wall Color Correction [WALL COLOR]
 
This	function	allows	for	quick	adaptive	color	correction	in	applications	where	the	screen	material	is	not	white.
NOTE:	Selecting	[WHITEBOARD]	reduces	lamp	brightness.
Setting Eco Mode [ECO MODE]
The	ECO	MODE	increases	lamp	life,	while	lowering	power	consumption	and	cutting	down	on	CO2	emissions. 	
Two	brightness	modes	of	the	lamp	can	be	selected: 	[OFF]	and	[ON]	modes.
(→	page	28)
Setting Closed Caption [CLOSED CAPTION]
This	option	 sets	several	 closed	caption	 modes	that	allow	 text	to	be	 superimposed	 on	the	 projected	 image	of	Video	
or	S-Video.
OFF ������������������������This exits the closed caption mode�
CAPTION 1-4 ���������Text is superimposed�
TEXT 1-4 ����������������Text is displayed�
Using Off Timer [OFF TIMER]
1.  Select your desired time between 30 minutes and 16 hours: OFF, 0:30, 1:00, 2:00, 4:00, 8:00, 12:00, 16:00.
2.  Press the ENTER button on the remote control.
3.  The remaining time starts counting down.
4.  The projector will turn off after the countdown is complete.
NOTE:
•	 To	cancel	the	preset	time,	set	[OFF]	for	the	preset	time	or	turn	off	the	power.
•	 When	 the	remaining	 time	reaches	 3	minutes	 before	the	projector	 is	turned	 off,	the	[THE	 PROJECTOR	 WILL	TURN	 OFF	WITHIN	 3	
MINUTES]	message	will	be	displayed	on	the	bottom	of	the	screen.
Selecting Menu Language [LANGUAGE] 
You	can	choose	one	of	27	languages	for	on-screen	instructions.
NOTE:	Your	setting	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu. 
						

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5. Using On-Screen Menu
[MENU]
Selecting Menu Color [COLOR SELECT]
You	can	choose	between	two	options	for	menu	color:	COLOR	and	MONOCHROME.
Turning	On	/	Off	Source	Display	[SOURCE	DISPLAY]
This	option	 turns	on	or	off	 input	 name	 display	 such	as	COMPUTER	 1,	COMPUTER2,	 COMPUTER3,	HDMI,	Display-
Port,	VIDEO,	S-VIDEO,	 VIEWER,	NETWORK	to	be	displayed	on	the	top	right	of	the	screen.
Turning messages on and off [MESSAGE DISPLAY]
This	option	selects	whether	or	not	to	display	projector	messages	at	the	bottom	of	the	projected	image.
Even	when	 “OFF”	is	 selected,	 the	security	 lock	warning	 is	displayed. 	The	 security	 lock	warning	 turns	off	when	 the	
security	lock	is	canceled.
Turning	ON/OFF	Control	ID	[ID	DISPLAY]
ID DISPLAY �����������This option turns on or off the ID number which is displayed when the ID SET button on the remote control 
is pressed� (→ page 106)
Turning	On	/	Off	Eco	Message	[ECO	MESSAGE]
This	option	turns	on	or	off	the	following	messages	when	the	projector	is	turned	on. 	
The	Eco	Message	 prompts	the	user	 to	save	 energy. 	When	 [OFF]	is	selected	 for	[ECO	 MODE],	 you	will	get	 a	message	
to	prompt	you	to	select	[ON]	for	[ECO	MODE].
When	[ON]	is	selected	for	[ECO	MODE]
To	 close	 the	message,	 press	any	one	 of	the	 buttons. 	The	 message	 will	disappear	 if	no	 button	 operation	 is	done	 for	
30	seconds. 
						

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5. Using On-Screen Menu
When	[OFF]	is	selected	for	[ECO	MODE]
Pressing	the	ENTER	button	will	display	the	[ECO	MODE]	screen.	(→	page	28)
To	close	the	message,	press	the	EXIT	button.
Selecting Menu Display Time [DISPLAY TIME]
This	option	 allows	 you	to	select	 how	long	 the	projector	 waits	after	the	last	 touch	 of	a	button	 to	turn	 off	the	 menu. 	The	
preset	 choices	 are	[MANUAL],	 [AUTO	5	SEC],	 [AUTO	 15	SEC],	 and	[AUTO	 45	SEC]. 	The	 [AUTO	 45	SEC]	 is	the	 fac-
tory	preset.
Selecting	a	Color	or	Logo	for	Background	[BACKGROUND]
Use 	this 	feature 	to 	display 	a 	blue/black 	screen 	or 	logo 	when 	no 	signal 	is 	available. 	The 	default 	background 	is	
[BLUE].
NOTE:	
•	Even 	when 	the 	background 	logo 	is 	selected, 	if 	two 	pictures 	are 	displayed 	in 	[PIP/PICTURE 	BY 	PICTURE] 	mode, 	the 	blue 	background	
is	displayed	without	the	logo	when	there	is	no	signal.
Selecting Interval Time for Filter Message [FILTER MESSAGE]
This	 option	 allows	 you	to	select	 the	time	 preference	 between	displaying	 the	message	 for	cleaning	 the	filters. 	Clean	
the	filter	when	you	get	the	message	 “PLEASE	CLEAN	FILTER.”	(→	page	155)
Five	options	are	available:	OFF,	100[H],	500[H],	1000[H],	2000[H]
The	default	setting	is	[OFF].
NOTE:	Your	setting	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu.
[INSTALLATION(1)]
Selecting	Projector	Orientation	[ORIENTATION]
This	reorients	 your	image	 for	your	 type	of	projection. 	The	 options	 are:	desktop	 front	projection,	 ceiling	rear	projection,	
desktop	rear	projection,	and	ceiling	front	projection.
This	 projector	 is	a	free-tilt	 projector	 with	which	 it	is	 possible	 to	project	 images	 on	the	 ceiling	 (upward)	 or	floor	 (downward). 	
When	installed	in	the	vertical	direction,	set	the	[FAN	MODE]	installation	orientation. 	(→	page	108) 
						

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5. Using On-Screen Menu
DESKTOP	FRONTCEILING	REAR
DESKTOP	REARCEILING	FRONT
Selecting Aspect Ratio and Position for Screen [SCREEN]
Screen	typeSets	the	aspect	ratio	of	the	projection	screen.
4:3	screenFor	a	screen	with	a	4:3	aspect	ratio
16:9	screen For	a	screen	with	a	16:9	aspect	ratio
16:10	screen For	a 	screen 	with 	a 	16:10 	aspect	
ratio
Display	positionWhen 	the 	screen 	type 	is 	set 	to 	16:9 	or 	16:10, 	adjusts 	the	
vertical	position	of	the	display	range.
Downward
Upward
NOTE:
•	After	changing	the	screen	type,	check	the	setting	of	[ASPECT	RATIO]	in	the	menu.	
	(→	page	96)
•	When	the	screen	type	is	set	to	“4:3	screen”,	this	is	displayed	in	light	characters	and	cannot	be	selected.
Using Geometric Correction [GEOMETRIC CORRECTION]
This	feature	retrieves	geometric	data	registered	in	the	projector	memory.
Three	presets	of	geometric	data	have	been	registered. 	To	turn	off	this	feature,	select	[OFF].
NOTE:
•	 The	[KEYSTONE]	and	[CORNERSTONE]	adjustments	are	not	available	when	geometric	data	is	applied.
•	 To	clear	your	geometric	data,	press	the	GEOMETRIC.	button	for	a	minimum	of	2	seconds.
•	 The	 [GEOMETRIC	 CORRECTION]	 feature	can	cause	 an	image	 to	be	 slightly	 blurred	because	 the	correction	 is	made	 electroni-
cally.
Using Multi-Screen Compensation [MULTI-SCREEN COMP.]
This	feature	allows	you	to	match	hue	of	images	projected	from	multiple	projectors	that	are	placed	in	parallel.
MODE ��������������������OFF: Turns off this function to return to the normal brightness� 
						

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5. Using On-Screen Menu
ON:  Turns  on  this  function  to  make  the  screen  darker�  The  [BRIGHTNESS]  and  the  [CONTRAST]  can  be 
adjusted�
CONTRAST ������������Adjusts the bright part of the picture�
BRIGHTNESS ���������Adjusts the dark part of the picture�
Adjusting
1.  Prepare black and white images so that the images can be displayed on the computer screen.
2.  Display the black image on the computer screen, and project the image from the projector\
.
3.  Select [MULTI-SCREEN COMP.] → [MODE] → [ON].
4.  Adjust the dark part of the images.
  Press the  button to select [BRIGHTNESS] and use the  or  to match the black part of another projector.
5. Display the white screen on the computer screen.
  Project the image from two or more projectors.
6. Adjust the bright part of the images.
  Press the  button to select [CONTRAST] and use the  or  to match the white part of another projector.
 Moving the slide bar toward [+] (plus) can change the white part of the image. Should this happen, move the 
slide bar toward [−] (minus) to adjust the brightness.
TIP:
•	 When	 you	use	multiple	 projectors,	 you	can	use	the	[CONTROL	 ID]	function	 to	operate	 a	single	 projector	 or	all	 the	 projectors	 from	
the	remote	control.	(→	page	106)
•	 Your	setting	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu.
[REF. WHITE BALANCE]
This	feature	allows	you	to	adjust	the	white	balance	for	all	signals.
The	white	and	black	levels	of	the	signal	are	adjusted	for	optimum	color	reproduction.
Uniformity	 is	also	 adjusted	 when	the	redness	 (R)	and	 blueness	 (B)	of	the	 white	 color	in	the	 screen’s	 horizontal	 (left/
right)	direction	are	uneven.
BRIGHTNESS R/BRIGHTNESS G/BRIGHTNESS B
 ������������������������������These adjust the picture’s black color �
CONTRAST R/CONTRAST G/CONTRAST B
 ������������������������������These adjust the picture’s white color �
UNIFORMITY R ������The  further  this  is  set  to  the  +  side,  the  stronger  the  redness  on  the  left  side  of  the  picture  (increasing 
towards the left edge) and the weaker the redness on the right side of the picture (decreasing towards the 
right edge)�
This is reversed when set to the – side�
UNIFORMITY B  ������The  further  this  is  set  to  the  +  side,  the  stronger  the  blueness  on  the  left  side  of  the  picture  (increasing 
towards the left edge) and the weaker the blueness on the right side of the picture (decreasing towards the 
right edge)�
This is reversed when set to the – side�
[STATIC	CONVERGENCE]
This	features	allows	you	to	adjust	for	color	deviation	in	the	picture.
This	 can	be	adjusted	 in	units	 of	±	1	pixel	 in	the	 horizontal	 direction	for	HORIZONTAL	 R,	G	and	 B,	in	the	 vertical	 direc-
tion	for	VERTICAL	R,	G	and	B. 
						

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5. Using On-Screen Menu
[INSTALLATION(2)]
Disabling	the	Cabinet	Buttons	[CONTROL	PANEL	LOCK]
This	option	turns	on	or	off	the	CONTROL	PANEL	LOCK	function.
NOTE:
•	 This	CONTROL	PANEL	LOCK	does	not	affect	the	remote	control	functions.
•	 When	the	control	 panel	is	locked,	 pressing	 and	holding	 the	EXIT	 button	 on	the	 projector	 cabinet	for	about	 10	seconds	 will	change	
the	setting	to	[OFF].
TIP:	When	the	[CONTROL	PANEL	LOCK]	is	turned	on,	a	key	lock	icon	[		]	will	be	displayed	at	the	bottom	right	of	the	menu.
Enabling	Security	[SECURITY]
This	feature	turns	on	or	off	the	SECURITY	function.
Unless	the	correct	keyword	is	entered,	the	projector	cannot	project	an	image. 	(→	page	37)
NOTE:	Your	setting	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu.
Selecting Communication Speed [COMMUNICATION SPEED]
This	feature	 sets	the	baud	 rate	of	the	 PC	Control	 port	(D-Sub	 9P).	It	 supports	 data	rates	 from	4800	 to	115200	 bps.	
The	 default	 is	38400	 bps.	Select	 the	appropriate	 baud	rate	for	your	 equipment	 to	be	 connected	 (depending	 on	the	
equipment,	a	lower	baud	rate	may	be	recommended	for	long	cable	runs).
NOTE:
•	 Select	[38400bps]	or	less	when	using	the	supplied	software	programs.
•	 Your	selected	communication	speed	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu.
Turning On or Off Remote Sensor [REMOTE SENSOR]
This	option	determines	which	remote	sensor	on	the	projector	is	enabled	in	wireless	mode.
The	options	are: 	FRONT/BACK,	FRONT,	and	BACK. 	
If	the	remote	control	system	does	not	function	when	direct	sunlight	or
strong	illumination	strikes	the	remote	control	sensor	of	the	projector,	change	another	option.
Setting	ID	to	the	Projector	[CONTROL	ID]
You	can 	operate 	multiple 	projectors 	separately 	and 	independently 	with 	the 	single 	remote 	control 	that 	has 	the 	CONTROL	
ID	 function. 	If	 you	 assign	 the	same	 ID	to	all	 the	 projectors,	 you	can	 conveniently	 operate	all	the	 projectors	 together	
using	the	single	remote	control. 	To	do	so,	you	have	to	assign	an	ID	number	to	each	projector.
CONTROL ID NUMBER �������Select a number from 1 to 254 you wish to assign to your projector �
CONTROL ID �����������������������Select [OFF] to turn off the CONTROL ID setting and select [ON] to turn on the CONTROL ID set-
ting� 
						

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5. Using On-Screen Menu
NOTE:	
•	 When	[ON]	is	selected	 for	[CONTROL	 ID],	the	projector	 cannot	be	operated	 by	using	 the	remote	 control	that	does	 not	support	
the	CONTROL	ID	function.	(In	this	case	the	buttons	on	the	projector	cabinet	can	be	used.)
•	 Your	setting	will	not	be	affected	even	when	[RESET]	is	done	from	the	menu.
•		 Pressing	 and	holding	 the	ENTER	 button	on	the	 projector	 cabinet	for	10	seconds	 will	display	 the	menu	 for	canceling	 the	Control	
ID.
Assigning or Changing the Control ID
1. Turn on the projector.
2.  Press the ID SET button on the remote control.
  The CONTROL ID screen will be displayed.
 If the projector can be operated with the current remote control ID, the [ACTIVE] 
will be displayed. If the projector cannot be operated with the current remote control 
ID, the [INACTIVE] will be displayed. To operate the inactive projector, assign the 
control ID used for the projector by using the following procedure (Step 3).
3. Press one of numeric keypad buttons while pressing and holding the ID SET 
button on the remote control.
 Example:
  To assign “3”, press the “3” button on the remote control.
 No ID means that all the projectors can be operated together with a single remote 
control. To set “No ID”, enter “000” or press the CLEAR button.
TIP:	The	range	of	IDs	is	from	1	to	254.
4. Release the ID SET button.
  The updated CONTROL ID screen will be displayed.
NOTE:	
•		 The	IDs	can	be	cleared	in	a	few	days	after	the	batteries	are	run	down	or	removed.
•		 Accidentally 	pressing 	any 	one 	of 	the 	buttons 	of 	the 	remote 	control 	will 	clear 	currently 	specified	
ID	with	batteries	removed. 
						

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5. Using On-Screen Menu
[OPTIONS(1)]
Setting	Auto	Adjust	[AUTO	ADJUST]
This	feature	 sets	the	Auto	 Adjust	 mode	so	that	 the	computer	 signal	can	be	automatically	 or	manually	 adjusted	for	
noise	and	stability. 	You	can	automatically	make	adjustment	in	two	ways: 	[NORMAL]	and	[FINE].
OFF ������������������������The computer signal will not be automatically adjusted� You can manually optimize the computer signal�
NORMAL ����������������Default setting� The computer signal will be automatically adjusted� Normally select this option�
FINE  �����������������������Select this option if fine adjustment is needed� It takes more time to switch to the source than when [NOR-
MAL]is selected�
Selecting Fan Mode [FAN MODE]
Fan	Mode	is	used	to	set	the	speed	of	the	internal	cooling	fan.
MODE  ��������������������Select three modes for fan speed: AUTO, HIGH, and HIGH ALTITUDE�
AUTO: The built-in fans automatically run at a variable speed according \
to the internal temperature�
HIGH: The built-in fans run at high speed
HIGH ALTITUDE: The built-in fans run at a high speed� Select this option when using the projector at altitudes 
approximately 5500 feet/1600 meters or higher � To use the projector with ECO MODE ON in other installed 
conditions than desktop/ceiling with +/-20°, heed the following:
(1) Select [HIGH ALTITUDE]  for [MODE] at altitude 3200 feet/1000 meters�
(2) Select [OFF] for [ECO MODE] at altitude 6800 feet/2100 meters or h\
igher �
SETTING ����������������Select either [NORMAL] or [VERTICAL TILT UP] according to the installa-
tion angle of the projector � Select [VERTICAL TILT UP] for angles of range 
from 60° to 120° indicated in gray � Select [NORMAL] for the other angle 
ranges�
Restrictions	for	using	the	projector	in	ECO	MODE	at	high	altitudes:
The	projector	 should	not	be	installed	 in	any	 way	 other	 than	the	setting	 described	 in	the	
table,	otherwise	lamp	life	could	decrease	dramatically.
ECO MODEOFFONSETTINGNORMAL/VERTICAL TILT UPNORMALVERTICAL TILT UP
OrientationAll orientationsDESKTOP/CEILING +/− 20°DESKTOP/CEILING other than +/− 20°Upward 90°(+/− 30°)
1000 m or lower3200 ft or lowerAUTOAUTO1000 to 1600 m3200 to 5200 ftHIGH ALTITUDE1600 to 2100 m5200 to 6800 ftHIGH ALTITUDE2100 to 2600 m6800 to 8500 ftNot available
When	you	wish	to	cool	down	the	temperature	inside	the	projector	quickly,	select	[HIGH].
90°
120°
180°
270°60°
0°