NEC P401w Projector User Manual

19
2. Projecting an Image (Basic Operation)
❺ Adjusting the Picture Size and Position
Use	the	lens	 shift	dial,	the	adjustable	 tilt	foot	 lever,	 the	zoom	 lever	and	the	focus	 lever	to	adjust	 the	picture	 size	and	
position.
In	this	chapter	drawings	and	cables	are	omitted	for	clarity.
Adjusting	the	vertical	position	of	a	projected	image
[Lens	shift]
(→	page	20)
Adjusting	the	focus
[Focus	lever]
(→	page	21)
Finely	adjusting	the	size	of	an	image
[Zoom	lever]
(→	page	22)
Adjusting	the	throw	angle	(the...

20
2. Projecting an Image (Basic Operation)
Adjusting the vertical position of a projected image (Lens shift)
Rotate	the	lens	shift	dial.
DownwardUpward
Lens shift dial
NOTE:
The	 lens	 shift	 dial	cannot	 be	rotated	 beyond	 the	maximum	 upward	or	downward	 shift.	Forcibly	 rotating	may	cause	 damage	 to	the	
projector.
TIP:
Lens	 shift	can	be	adjusted	 with	the	range	 below.	 If	you	 wish	 to	move	 up	the	 image	 higher	 than	this	limit,	 use	the	tilt	foot	 of	the	
projector.
Desktop	front	projection...

21
2. Projecting an Image (Basic Operation)
Ceiling	front	projection	
[P501X/P451X/PE501X]
[P451W/P401W]
Focus
Use	the	FOCUS	lever	to	obtain	the	best	focus.
Focus Lever
Height of projected image
Height of projected 
imageVertical shift range (0 to 0.5V)
Vertical shift range (0 to 0.6V) 

22
2. Projecting an Image (Basic Operation)
Zoom
Use	the	ZOOM	lever	to	adjust	the	image	size	on	the	screen.
Zoom Lever 

23
2. Projecting an Image (Basic Operation)
2
1
3
Adjustable Tilt FootAdjustable Tilt 
Foot Lever
Adjust the Tilt Foot
1.		Lift	the	front	edge	of	the	projector.
 CAUTION:
Do	 not	 try	to	touch	 the	ventilation	 outlet	during	 Tilt	Foot	 adjustment	
as	it	can	 become	 heated	while	the	projector	 is	turned	 on	and	 after	 it	
is	turned	off.
2.		Push	 up	and	 hold	 the	Adjustable	 Tilt	Foot	 Lever	 on	the	 front	 of	
the	projector	to	extend	the	adjustable	tilt	foot.
3.		Lower	the	front	of	the	projector	to...

24
2. Projecting an Image (Basic Operation)
❻ Correcting Keystone Distortion [KEYSTONE]
When	the	projector	 is	not	 exactly	 perpendicular	 to	the	 screen,	 keystone	 distortion	 occurs.	To	 overcome	 it,	you	 can	 use	
the	“Keystone” 	function,	 a	digital	 technology	 that	can	adjust	 for	keystone-type	 distortion,	resulting	in	a	crisp,	 square	
image.
The	following	 procedure	 explains	how	to	use	 the	[KEYSTONE]	 screen	from	the	menu	 to	correct	 trapezoidal	 distor-
tions.
When	the	projector	is	placed...

25
2. Projecting an Image (Basic Operation)
4. Press the ▲	button	 to	select	 [HORIZONTAL]	 and	then	 use	the	◀ 
or  ▶
	so	 that	 the	top	 and	 bottom	 sides	of	the	 projected	 image	are	
parallel.
•	 Adjust	the	horizontal	keystone	distortion.
5.	 Repeat	steps	2	and	4	to	correct	keystone	distortion.
6.	 After	completing	Keystone	correction, 	press	the	EXIT	button.
 The Keystone screen will disappear.
•	 To 	perform	 Keystone 	correction 	again,	 press	the	▼ button to display 
the Keystone screen and...

26
2. Projecting an Image (Basic Operation)
❼ Optimizing Computer Signal Automatically
Adjusting the Image Using Auto Adjust
Optimizing	a	computer	image	automatically.	(COMPUTER)
Press	the	AUTO	ADJ.	button	to	optimize	a	computer	image	automatically.
This	adjustment	may	be	necessary	when	you	connect	your	computer	for	the	first	time.
[Poor picture]
[Normal picture]
NOTE:
Some	signals	may	take	time	to	display	or	may	not	be	displayed	correctly.
•	 If	the 	Auto 	Adjust 	operation 	cannot 	optimize 	the...

27
2. Projecting an Image (Basic Operation)
❾ Turning off the Projector
To	turn	off	the	projector:
1. First,  press  the   (POWER)  button  on  the  projector 
cabinet or the POWER OFF button on the remote con -
trol. 
  The confirmation message will be displayed.
2.	 Secondly, 	press 	the 	ENTER 	button 	or 	press 	the 	 
(POWER)	or	the	POWER	OFF	button	again.
 The lamp will turn off and the projector will go into standby 
mode. When  in  standby  mode,  the  POWER  indicator  will 
light orange and the...

28
2. Projecting an Image (Basic Operation)
❿ After Use
Preparation:	Make	sure	that	the	projector	is	turned	off.
1.	 Unplug	the	power	cord.
2. Disconnect any other cables.
•	 Remove	the	USB	memory	if	it	is	inserted	into	the	projector.
3.	 Retract	adjustable	tilt	foot	if	extended.
4.	 Slide	the	lens	cover	to	the	right	to	cover	the	lens.