NEC M271x Portable Projector Users Manual

101
6. Installation and Connections
[M311W/M271W]
The	further	 your	projector	 is	from	 the	screen	 or	wall,	 the	larger	 the	image. 	The	 minimum	 size	the	image	 can	be	is	
approximately	 25"	(0.64	 m)	measured	 diagonally	 when	the	projector	 is	roughly	 37	inches	 (0.9	m)	from	 the	wall	 or	
screen. 	The	 largest	 the	image	 can	be	is	300"	 (7.6	m)	when	 the	projector	 is	about	 459	inches	 (11.7	m)	from	 the	wall	
or screen.
300
240
Distance 
(Unit:  m/inch)
Lens center Screen Size
Screen...

102
6. Installation and Connections
C
α B
D
Throw Distance and Screen Size
The	
following	 shows	the	proper	 relative	 positions	 of	the	 projector	 and	screen. 	Refer	 to	the	 table	 to	determine	 the	
position	of	installation.
Distance Chart
B	=	 Vertical 	distance 	between 	lens 	center 	and	
screen center
C	=	 Throw	distance
D	=	 Vertical 	distance 	between 	lens 	center 	and	
screen	 bottom	 (top	of	screen	 for	ceiling	 ap-
plication)
α
	=	 Throw	angle
NOTE:	 The	values	 in	the	 tables	 are	design...

103
6. Installation and Connections
WARNING
*	 Installing	your	projector	 on	the	 ceiling	 must	be	done	
by	a 	qualified 	technician. 	Contact 	your 	NEC 	dealer 	for	
more	information.
*	 Do	not	attempt	to	install	the	projector	yourself.
•	 Only	 use	your	 projector	 on	a	solid,	 level	surface. 	If	 the	
projector	 falls	to	the	 ground,	 you	can	 be	injured	 and	
the	projector	severely	damaged.
•	 Do	not	use	 the	projector	 where	temperatures	 vary	
greatly.	The	 projector	 must	be	used	 at	temperatures...

104
6. Installation and Connections
COMPUTER 1 INAUDIO IN
HDMI IN
USB(PC)
Computer cable (VGA) (supplied)To mini D-Sub 15-pin connector on the projector.
	It	is	recommended	that	you	use	a	commercially available distribution amplifier 
if connecting a signal cable longer than the 
cable supplied.
A commercially available 
USB cable 
(compatible with USB 2.0 
specifications)
NOTE:	
For	Mac,	 use	a	commercially	 available	
pin	adapter	 (not	supplied)	 to	connect	 to	your	
Mac’s	video	port.
Stereo mini-plug...

105
6. Installation and Connections
•	 Select	the	source	name	for	its	appropriate	input	connector	after	turning	on	the	projector.
Input	connectorSOURCE	button	on	the	projector	
cabinetButton	on	the	remote	control
COMPUTER	1	IN	COMPUTER	1(COMPUTER	1)
COMPUTER	2	IN	COMPUTER	2(COMPUTER	2)
HDMI	IN	HDMIHDMI
USB	(PC)	USB	DISPLAY(USB	DISPLAY)
NOTE:	The	projector	is	not	compatible	with	video	decoded	outputs	of	the	NEC	ISS-6020	switcher.
NOTE:	An	image	 may	not	be	displayed	 correctly	when	a	Video	 or	S-Video...

106
6. Installation and Connections
Connecting an External Monitor
You	can	connect	 a	separate,	 external	monitor	to	your	 projector	 to	simultaneously	 view	on	a	monitor	 the	computer	
analog	image	you’re	projecting.
NOTE:
•	 Daisy	chain	connection	is	not	possible.
•	 When	audio	equipment	is	connected,	the	projector	speaker	is	disabled.
AUDIO
INPHONE
MONITOR OUT (COMP . 1)
AUDIO OUT
Com-
puter cable 
(VGA) 
(supplied) Stereo mini-plug audio cable 
(not supplied)
Computer cable (VGA) (not supplied) 

107
6. Installation and Connections
Connecting Your DVD Player or Other AV Equipment
Connecting	Video/S-Video	Input
•	 Select	the	source	name	for	its	appropriate	input	connector	after	turning	on	the	projector.
Input	connectorSOURCE	button	on	the	projector	
cabinetButton	on	the	remote	control
VIDEO	IN	VIDEO(VIDEO)
S-VIDEO	IN	S-VIDEO(S-VIDEO)
NOTE:	The	AUDIO	IN	L	and	R	jacks	(RCA)	are	shared	between	the	Video	and	S-Video	inputs.
NOTE:	Refer	to	your	VCR	owner’s	manual	for	more	information	about	your...

108
6. Installation and Connections
Connecting Component Input
	 A	component	 signal	will	be	automatically	 displayed.	If	 not,	 from	 the	menu,	 select	[SETUP]	→	[OPTIONS(1)]	→ 
[SIGNAL	 SELECT]	→	[COMPUTER1]	 or	[COMPUTER2],	 and	then	 place	 a	check	 mark	in	the	 Component	 radio	
button.
•	 Select	the	source	name	for	its	appropriate	input	connector	after	turning	on	the	projector.
Input	connectorSOURCE	button	on	the	projector	
cabinetButton	on	the	remote	control
COMPUTER	1	IN	COMPUTER	1(COMPUTER	1)...

109
6. Installation and Connections
AUDIO INLRAUDIO OUTLRVIDEO OUTHDMI OUTS-VIDEO VIDEO
HDMI Output
HDMI
H D M I
HDMI IN 
Connecting HDMI Input
You	can	connect	 the	HDMI	 output	 of	your	 DVD	 player,	 hard	disk	player,	 Blu-ray	 player,	or	notebook	 type	PC	to	the	
HDMI	IN	connector	of	your	projector.
NOTE:	The	HDMI	IN	connector	supports	Plug	&	Play	(DDC2B).
Audio cable (not supplied)
HDMI	cable	(not	supplied)Use	High	Speed	HDMI® 
Cable.
Input	connectorSOURCE	button	on	the	projector	
cabinetButton	on...

110
6. Installation and Connections
Connecting to a Wired LAN
The	projector	comes	standard	with	a	LAN	port	(RJ-45)	which	provides	a	LAN	connection	using	a	LAN	cable.	
To	use	 a	LAN	 connection,	 you	are	required	 to	set	 the	 LAN	 on	the	 projector	 menu.		Select	 [SETUP]	→	[WIRED	 LAN].	
(→	page	93).
Example	of	LAN	connection
Example	of	wired	LAN	connection
LAN
Server
Hub
LAN cable (not supplied)
NOTE:	 Use	a	Category	 5	or	 higher	 LAN	
cable.