NEC Projector Um280xi User Manual

111
6. Installation and Connections
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).
Input	connectorSOURCE	button	on	the	projector	
cabinetButton	on	the	remote	control
HDMI	1	IN	HDMI1(HDMI*)
HDMI	2	IN	HDMI2(HDMI*)
*	 The	 HDMI	button	 on	the	 remote	 control	will	toggle	 between	 “HDMI1	and	HDMI2”. 	Upon	 the	first...

112
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	96).
Example	of	LAN	connection
Example	of	wired	LAN	connection
Server
Hub
LAN cable (not supplied)
NOTE:	 Use	a	Category	 5	or	 higher	
LAN	cable. 

113
6. Installation and Connections
Connecting to a Wireless LAN (Optional: NP02LM series)
The	USB	 Wireless	 LAN	Unit	also	 provides	 a	wireless	 LAN	connection. 	To	 use	 a	wireless	 LAN	connection,	 you	are	
required	to	assign	an	IP	address	to	the	projector.
Important:
•	 If	 you	use	 the	projector	 with	the	USB	 Wireless	 LAN	Unit	in	the	 area	 where	 the	use	 of	wireless	 LAN	equipment	 is	
prohibited,	remove	the	USB	 Wireless	LAN	Unit	from	the	projector.
•	 Buy	the	appropriate	USB	 Wireless	LAN...

114
6. Installation and Connections
NOTE:When	the	cable	 cover	 is	attached,	 remove	it	before	 inserting	 the	USB	
Wireless	LAN	Unit.
1.	 Press	 the	POWER	 button	to	turn	 off	the	 projector	 and	set	it	
into standby condition, and disconnect the power cord.
2.	 Slowly 	insert 	the 	USB 	Wireless 	LAN 	Unit 	into 	the 	USB 	(WLAN)	
port.
  Remove the cap from the USB Wireless LAN Unit, and then insert 
it	with	 the	surface	 (side	of	indicator)	 facing	outward. 	Keep	 the	cap	
for later use.
NOTE:	Do	not...

115
6. Installation and Connections
Example	of	wireless	LAN	connection
(Network	Type	→	Infrastructure)
 
To	enable	 direct	communication	 (i.e.,	peer-to-peer)	 between	personal	 computers	 and	projectors,	 you	need	 to	
select	the	Ad	Hoc	mode.
Use	the	HTTP	server	function	to	make	the	settings. 	(→	page	43)
Use	the	HTTP	server	function	to	make	the	settings.	(→	page	43)
Example	of	wireless	LAN	connection	(Network	Type	→	Ad	Hoc)
PC with wireless LAN 
card insertedPC with built-in wireless 
LAN function...

116
This	section	 describes	 the	simple	 maintenance	 procedures	you	should	 follow	to	clean	 the	filters,	 the	projection	 window,	
the	cabinet,	and	to	replace	the	lamp	and	the	filters.
1 Cleaning the Filters
The	air-filter	 sponge	keeps	dust	and	dirt	from	 getting	 inside	the	projector	 and	should	 be	frequently	 cleaned.	If	 the	 filter	
is	dirty	or	clogged,	your	projector	may	overheat.
NOTE:	 The	message	 for	filter	 cleaning	 will	be	displayed	 for	one	 minute	 after	the	projector	 is	turned	 on	or...

117
7. Maintenance
3. Remove the four filters and use a vacuum cleaner to vacuum 
all the dust inside and outside.
  Get rid of dust in the sponge filter
NOTE:	
•	 Whenever 	you 	vacuum 	the 	filter, 	use 	the 	soft 	brush 	attachment 	to	
vacuum.	This	is	to	avoid	damage	to	the	filter.
•	 Do	 not	wash	 the	filter	 with	water.	 Doing	so	can	 result	 in	filter	 clogging.
4. Remove  dust  from  the  filter  cover  and  the  two  filter  cases 
(large	and	small).
  Clean both outside and inside.
5.	 Attach...

118
7. Maintenance
6.	 Insert	the	large	filter	case	into	the	projector	cabinet.
	 Make	sure	that	the	filter	 case	 is	inserted	 in	the	 correct	 orienta-
tion.
7.  Put the small filter case to the projector cabinet.
	 Make	 sure	that	the	filter	 case	 is	inserted	 in	the	 correct	 orienta-
tion.
8.  Put the filter cover back to the projector cabinet.
	 Insert	 two	catches	 of	the	 tip	of	the	 filter	 cover	 into	the	groove	 of	the	
cabinet, and push the button to close the filter cover.
•	 If 	you 	find...

119
7. Maintenance
 Cleaning the Projection Window
•	 Turn	off	the	projector	before	cleaning.
•	 Do	not	scratch	or	mar	the	projection	window	as	it	is	made	of	glass.
•	 Use	a	blower	 or	lens	 paper	 to	clean	 the	projection	 window,	and	be	careful	 not	to	scratch	 or	mar	 the	glass	 sur-
face.
 Cleaning the Cabinet
Turn	off	the	projector,	and	unplug	the	projector	before	cleaning.
•	 Use	a	dry	soft	cloth	to	wipe	dust	off	the	cabinet.
	 If	heavily	soiled,	use	a	mild	detergent. 	
•	 Never	use	strong...

120
7. Maintenance
 Replacing the Lamp and the Filters
When	the	lamp	 reaches	 the	end	 of	its	 life,	 the	LAMP	 indicator	 in	the	 cabinet	 will	blink	 red	and	 the	message	 “THE	
LAMP	HAS	REACHED	 THE	END	 OF	ITS	 USABLE	 LIFE.	PLEASE	 REPLACE	 THE	LAMP	 AND	FILTER.” 	will	 appear	
(*).	Even	 though	 the	lamp	 may	still	be	working,	 replace	the	lamp	 to	maintain	 the	optimal	 projector	 performance. 	After	
replacing	the	lamp,	be	sure	to	clear	the	lamp	hour	meter. 	(→	page	102)
 CAUTION
•	 DO	NOT...