NEC Projector PH1400U User Manual

177
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	 [APPLICATION	 MENU]	→ 
[NETWORK	SETTINGS]	→	[WIRED	LAN].	(→	page	147).
Example of LAN connection
Example	of	wired	LAN	connection
Server
Hub
LAN	cable	(not	supplied)
NOTE:	Use	a	Category	5	or	higher	LAN	cable. 

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6. Installation and Connections
Connecting to a Wireless LAN (sold separately)
The	separately	 sold	wireless	 LAN	unit	allows	 you	to	use	 a	wireless	 LAN	environment. 	When	 using	the	projector	 in	a	
wireless	LAN	environment,	the	IP	address	and	other	settings	must	be	made	on	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...

179
6. Installation and Connections
1. Press the  button to set the projector to the standby mode, then 
turn	off	the	main	power	switch.
2.  Remove the plate (port cover).
  Loosen the screw security port cover.
•	 The	screw	is	not	removable.
3.	 Slowly 	insert 	the 	wireless 	LAN 	unit 	into 	the 	USB 	(LAN) 	port	
(  ).
-	 Remove	 the	wireless	 LAN	unit’s	 cap,	set	the	 unit	 with	 the	front	 (the	
side	with	the	indicator)	 facing	upwards,	 hold	the	back	 edge	 and	
insert the unit gently.
	 Next,...

180
6. Installation and Connections
To remove the wireless LAN unit
1. Press the  button to set the projector to the standby mode, then 
turn	off	the	main	power	switch.
2.	 Remove	the	anti-theft	cap.
	 Loosen	 the	screw	 and	remove	 the	anti-theft	 cap	for	the	 Wireless	 LAN	
Unit.
3.	 Pull	out	the	 Wireless	LAN	Unit	from	the	USB	(LAN)	port.
NOTE: 
If	the	 wireless	 LAN	unit	is	not	 to	be	 used	 for	an	extended	 period	of	time,	 put	the	
plate back and secure it with the two screws.
  

181
6. Installation and Connections
Example	of	wireless	LAN	connection
(Network	Type	→	Infrastructure)
(→	page	149)
PC	with	wireless	LAN	card	insertedPC	with	built-in	wireless	LAN	function
Wired	LAN
Wireless	access	point
USB	Wireless	LAN	Unit
To	enable	 direct	communication	 (i.e.,	peer-to-peer)	 between	computers	 and	projectors,	 you	need	 to	select	 the	Ad	
Hoc	mode. 	(→	page	149)
PC	with	wireless	LAN	card	insertedPC	with	built-in	wireless	LAN	function
Example	of	wireless	LAN	connection	(Network	 Type...

182
6. Installation and Connections
Stacking projectors
The	projected	 image	brightness	 can	be	doubled	 by	gravity	 stacking	 up	to	two	 projectors	 without	external	 support.	This	
is	called	 “Stacking	Projection”.
 CAUTION:
A	minimum	 of	two	 persons	 are	required	 to	carry	 the	projector. 	Otherwise	 the	projector	 may	tumble	 or	drop,	 causing	
personal	injury.
NOTE:
•	 Projectors	with	different	model	numbers	cannot	be	gravity	stacked.
 Optional lenses with the same model numbers must be used for...

183
6. Installation and Connections
Part	Names	and	Functions	of	Stacking	Column
Stacking	column
Upper projector
To tilt the upper projector horizontally, use the lower projector’s 
horizontal	adjustment	knob.
Lower projector
Use	the	lower	projector’s	horizontal	adjustment	knob	to	finely	tilt	the	two projectors horizontally.
Security	locking	pin	(with	a	wire)After	pulling	out	four	security	locking	pins,	put	each	foot	of	the	upper	projector	here,	and	then	insert	the	four	security	locking	pins	fully	so	that...

184
This	section	 describes	 the	simple	 maintenance	 procedures	you	should	 follow	to	clean	 the	filters,	 the	lens,	 the	cabinet,	
and	to	replace	the	lamp	and	the	filters.
❶ 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	off.	 When...

185
7. Maintenance
2. Remove the filter.
	 Pull 	the 	top 	of 	the 	filter 	outward 	and 	remove 	the 	filter 	by 	lifting	
it up.
Filter
3.	 Use	 a	vacuum	 cleaner	to	vacuum	 all	the	 dust	 from	 the	
inside	of	the	filter.
	 Get	rid	of	dust	in	the	accordion	filter.
•	 Remove	 the	dust	 inside	 the	filter	 cover	 and	the	inlet	 of	the	
projector as well. 
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...

186
7. Maintenance
(2)		
Slide	 the	filter	 cover	 to	the	 right	 and	tighten	 each	of	the	
two	knobs	by	turning	them	clockwise. 	
NOTE:
Be	sure	 to	clean	 both	filters	 (left	and	front	 sides)	 to	display	 the	filter	
usage hours as accurate as possible.
 
Cleaning the filter on the front side
1. Remove the filter cover.
(1)	Loosen	 each	of	the	 two	 knobs	 by	turning	 them	counter-
clockwise.
	 •		 The	knobs	are	not	removable.
	 •		 If	the 	knob 	is 	too 	tight 	to 	turn, 	use 	a 	Phillips 	screw-...