NEC Projector Px750u User Manual

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3. Convenient Features
 Projecting Your Computer’s Screen Image from the 
Projector via a Network [NETWORK PROJECTOR]
By	selecting	 the	projector	 connected	 to	the	 same	 network	 as	that	 of	your	 PC,	the	PC	screen	 image	can	be	projected	
to	the	screen	via	network. 	There	is	no	need	of	connection	using	the	computer	cable	(VGA).
Operation Environment
Applicable	OSWindows	7	Professional
Windows	7	Ultimate
Windows	7	Enterprise	
Windows	 Vista	Home	Premium
Windows	Vista	Business
Windows	Vista	Ultimate
Windows	Vista	Enterprise
Hardware	specificationsThe	specifications	 recommended	 by	Microsoft	 as	the	 operation	 environment	 for	
Windows	7/Windows	 Vista	should	be	satisfied.
Network	EnvironmentWired	LAN	or	wireless	LAN	environment	that	supports	 TCP/IP	is	required.
Screen	colorHigh	Color	(16	bits)
True	Color	(24	bits	and	32	bits)
*	Setting	with	256	colors	or	less	is	not	available.
Setting	the	Projector	to	Network	Projector	Input	Mode
1.	 With	the	projector	turned	on,	press	the	SOURCE	button.
 The input selection window appears.
 Another  way  to  display  the  input  selection  window  is  to  press  the  NETWORK  button  on  the  remote  control. The 
APPLICATION	MENU	screen	will	be	displayed. 	Go	to	step	3. 
						

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3. Convenient Features
2.	 Press	the	 or 	button	to	select	[NETWORK]	and	press	the	ENTER	button.
	 In	the	screen,	the	[APPLICATION	MENU]	menu	is	displayed.
3.	 From	the	[APPLICATION	MENU]	menu,	select	[NETWORK	PROJECTOR].
	 The	[PROJECTOR	NAME/DISPLAY	RESOLUTION/PASSWORD/URL]	will	be	displayed. 
						

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3. Convenient Features
Projecting	the	Image	with	Network	Projector
1.	 Click	[Start]	from	the	desktop	of	Windows	7.
2.	 Click	[All	Programs].
3.	 Click	[Accessories].
4.	 Click	[Connect	to	a	Network	Projector].
 When the [Permission Connect to a Network Projector] window appears, click [Yes.].
 The “Connect to a Network Projector” window appears.
5.	 Click	[→	Search	for	a	projector	(recommended)].
	 In	the	 “Available	projectors” 	box,	“PX750U	Series” 	is	displayed.
6.	 Click	[PX750U	Series].
 The message “Enter the password for the projector that you selected.” is displayed at the bottom of the window. 
						

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3. Convenient Features
7.	 Input	the	password	to	the	password	input	box	displayed	by	the	operation	at	step	3	on	page	57.
8.	 Click	[Connect].
 The network projector function works and the screen of Windows 7 is projected from the projector.
•	 If	 the	resolution	 of	your	 computer’s	 screen	is	different	 from	the	projector’s	 screen	resolution,	 the	NETWORK	
PROJECTOR	 function	may	not	work. 	If	 this	 happens,	 change	the	resolution	 of	the	 computer’s	 screen	to	lower	
resolution than the one displayed at Step 3 on page 57.
NOTE:	 When	the	network	 projector	 function	works,	the	background	 color	of	the	 desktop	 changes	 to	black.	 When	the	network	
projector function is stopped, the original background color is restored\
.
Reference:	 If	the	 projector	 cannot	be	found	 at	Step	 5,	click	 [	→	Enter	 the	projector	 address].	 Then,	input	the	“Network	 address”	
(Input	example:	 http://10.32.97.61/lan)	 and	“Projectorpassword”	 (Input	example:	 82291627)	 displayed	in	the	 screen	 projected	
from the projector.
Exiting	the	Network	Projector	Operation
1.	 Click	[Projecting: 	PX750U	Series]	in	the	 Windows	Vista	task	bar.
2.	 Click	[Disconnect].
 The Network Projector function is stopped.
3.	 Press	the	SOURCE	button	of	the	projector	to	select	an	input	terminal	other	than	[NETWORK].
 When using the remote control, press a button other than the NETWORK button. 
						

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3. Convenient Features
 Using the Projector to Operate Your Computer via a Network 
[REMOTE DESKTOP]
•	 By	 selecting	 the	PC	connected	 to	the	 same	 network	 as	that	 of	the	 projector,	 the	PC	screen	 image	can	be	projected	
to	the	screen	via	network.
	 Then,	 by	operating	 the	keyboard,	 you	can	 operate	 Windows	 7,	Windows	 Vista	or	Windows	 XP	on	the	 PC	connected	
with	the	network.
•	 With	the	Remote	Desktop	function,	you	can	remotely	operate	the	PC	placed	at	a	distance	from	the	projector.
Meeting	room
Office
NOTE:
•	 The	[REMOTE	DESKTOP]	function	will	work	on	the	following	Windows	editions.
	 Windows	7	Professional
	 Windows	7	Ultimate
	 Windows	7	Enterprise	
	 Windows	Vista	Business
	 Windows	Vista	Ultimate
	 Windows	Vista	Enterprise
	 Windows	XP	Professional	with	Service	Pack	3
	 (Note)
•	 In	 this	user’s	 manual	 this	feature	 is	described	 using	Windows	 7	as	 an	 example,	 but	Windows	 Vista	and	Windows	 XP	Professional	
Service	Pack	2	or	later	will	also	work	with	this	feature.
•	 A	keyboard	is	required	to	use	the	Remote	Desktop	function.
•	 The	 Remote	 Desktop	 function	 can	be	operated	 with	a	keyboard.	 Using	a	wireless	 mouse	with	a	wireless	 keyboard	 is	more	 useful	
for operating.
Use	a	commercially	available	wireless	keyboard,	a	wireless	mouse,	and	a	USB	wireless	receiver.
Use	a	commercially	available	USB	keyboard	and	USB	mouse.
•	 A	USB	keyboard	with	a	built-in	USB	hub	cannot	be	used	with	the	projector.
•	 A	wireless	keyboard	or	mouse	that	supports	Bluetooth	cannot	be	used	with	the	projector.
•	 We	do	not	warrant	that	the	USB	port	of	the	projector	will	support	all	USB	devices	in	the	market. 
						

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3. Convenient Features
Prepare	a	commercially	available	wireless	keyboard	(US	layout	version).
Connect	the	USB	 wireless	 receiver	to	the	 USB	 port	(Type	 A)	of	the	 projector. 	Make	 all	necessary	 settings	for	your	
wireless	keyboard	and	mouse. 
						

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3. Convenient Features
Setting the password to the user account of Windows 7
TIP:	If	a	password	has	been	set	for	an	account,	the	steps	1	to	9	can	be	skipped.
1.	 Click	[Start]	from	the	desktop	of	Windows	7.
2.	 Click	[Control	Panel].
3.	 Click	[Add	or	remove	user	accounts]	displayed	under	[User	Accounts].
4.	 When	the	[User	Account	Control]	confirmation	window	appears, 	click	[Continue].
5.	 Click	[Administrator].
6.	 Click	[Create	a	password].
7.	 Input	the	password	to	the	[New	password]	box.
8.	 Input	the	same	password	as	that	at	Step	7	to	the	[Confirm	new	password]	box.
9.	 Click	[Create	a	password].
 The Administrator is changed to [Password Protection].
Setting the Remote Access
1.	 Click	[Start]	from	the	desktop	of	 Windows	7.
2.	 Click	[Control	Panel].
3.	 Click	[System	and	Security].
4.	 Click	[Allow	remote	access]	displayed	under	[System].
5.	 When	the	[User	Account	Control]	confirmation	window	appears, 	click	[Continue].
 The [System Properties] window appears.
6.	 Click	 [Allow	connections	 from	computers	 running	any	version	 of	Remote	 Desktop	 (less	secure)]	 in	the	
Remote	Desktop	box	and	click	[OK].
Checking	the	IP	address	on	 Windows	7
1.	 Click	[Start]	from	the	desktop	of	 Windows	7.
2.	 Click	[Control	Panel].
3.	 Click	[View	network	status	and	tasks]	displayed	under	[Network	and	Internet]. 
						

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3. Convenient Features
4.	 Click	[View	status]	displayed	in	blue	on	the	right	of	[Local	Area	Connection]	in	the	window.
 The [Local Area Connection Status] window appears.
5.	 Click	[Details...].
	 Write	down	the	value	for	 “IPv4	IP	Address”	(xxx.xxx.xxx.xxx)	displayed.
6.	 Click	[Close].
7.	 Click	[X]	at	the	upper	right	of	the	window.
 The system goes back to the desktop.
Starting	the	Remote	Desktop
1.	 With	the	projector	turned	on, 	press	the	SOURCE	button.
 The input selection window appears.
 Another  way  to  display  the  input  selection  window  is  to  press  the  NETWORK  button  on  the  remote  control. The 
NETWORK	screen	will	be	displayed. 	Go	to	step	3. 
						

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3. Convenient Features
2.	 Press	the	 or 	button	to	select	[NETWORK]	and	press	the	ENTER	button.
 The [NETWORK] menu will be displayed.
3.	 From	the	[NETWORK]	menu, 	use	the	wireless	keyboard	to	select	[REMOTE	DESKTOP	CONNECTION].
	 The	[REMOTE	DESKTOP	CONNECTION]	window	appears.
4.	 Operate	the	wireless	keyboard	to	input	the	IP	address	of	 Windows	7	and	click	“Connect”.
 The log-on screen of Windows 7 is displayed in the screen projected by the projector.
5.	 Operate	the	wireless	keyboard	to	input	the	user’s	password	and	press	 “Enter”.
 The remote desktop function is started.
 Windows 7 desktop is displayed in the screen projected by the projector.
 Log out the computer.
 Use the wireless keyboard connected to the projector to operate Windows 7.
NOTE:	 When	the	projection	 is	made	 with	the	remote	 desktop	 function,	 the	background	 color	of	the	 desktop	 is	changed	 to	
black. 
						

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3. Convenient Features
Exiting	the	Remote	Desktop
1.	 Operate	the	wireless	keyboard	to	click	[Start]	from	the	desktop	screen	projected	by	the	projector.
2.	 Click	[X]	on	the	right	of	the	start	menu.
 The remote desktop function is stopped.
3.	 Press	the	SOURCE	button	of	the	projector	to	select	an	input	terminal	other	than	[NETWORK].
 When using the remote control, press a button other than the NETWORK button.
TIP:
Setting	[OPTIONS]	in	REMOTE	DESKTOP
Clicking	[OPTIONS]	displays	the	[PERFORMANCE]	screen.
Making	 settings	 to	[OPTIONS]	 will	allow	 you	to	display	 the	desktop	 background,	 or	to	enable	 the	window	 animation	 function	during	
the	Remote	Desktop	operation.	However,	doing	this	will	cause	the	display’s	or	mouse’s	response	to	slow	down.	
If	the	display’s	or	mouse’s	response	is	slowed	down,	try	one	or	more	of	the	following:
DESKTOP	BACKGROUND: 	Clear	the	check	mark	to	display	the	desktop	background	in	monochrome.
MENU	AND	WINDOW	ANIMATION: 	Clear	the	check	mark	to	disable	menu	and	window	animation.
THEMES:	Clear	the	check	mark	not	to	use	 Themes.
SHOW	CONTENTS	 OF	WINDOW	 WHILE	DRAGGING: 	Clear	 the	check	 mark	to	show	 only	the	window	 pane	while	
dragging.