NEC M300xs Projector Users Manual

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8. Appendix
NOTE:
*	 The	“SOUND	MUTE	OFF”	and	“SOUND	MUTE	ON”	functions	are	not	available	on	M420XV.
NOTE:	Contact	your	local	dealer	for	a	full	list	of	the	PC	Control	Codes	if	needed.
Cable Connection
Communication	Protocol
Baud rate �����������������������������������������38400 bps
Data length
  ��������������������������������������8 bits
Parity
  �����������������������������������������������No parity
Stop bit
  ��������������������������������������������One bit
X on/off
  ��������������������������������������������None
Communications procedure
 �������������Full duplex
NOTE:	Depending	on	the	equipment,	a	lower	baud	rate	may	be	recommended	for	long	cable	runs.
PC Control Connector (D-SUB 9P)
 PC Control Codes and Cable Connection
PC Control Codes
Function  Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF  02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 1  02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPUTER 2  02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT HDMI  02H 03H 00H 00H 02H 01H 1AH 22H
INPUT SELECT VIDEO  02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO  02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT VIEWER  02H 03H 00H 00H 02H 01H 1FH 27H
INPUT SELECT NETWORK  02H 03H 00H 00H 02H 01H 20H 28H
INPUT SELECT USB DISPLAY  02H 03H 00H 00H 02H 01H 22H 2AH
PICTURE MUTE ON  02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF  02H 11H 00H 00H 00H 13H
SOUND MUTE ON*  02H 12H 00H 00H 00H 14H
SOUND MUTE OFF*  02H 13H 00H 00H 00H 15H
NOTE	1:	Pins	1,	4,	6	and	9	are	no	used.
NOTE	2:	Jumper	“Request	to	Send”	and	“Clear	to	Send”	together	on	both	ends	of	the	cable	to	simplify	cable	connection.
NOTE	3:	For	long	cable	runs	it	is	recommended	to	set	communication	speed	within	projector	menus	to	9600	bps.
1 5
24 3
67 98
To GND of PCTo RxD of PC To TxD of PC
To RTS of PC
To CTS of PC 
						

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8. Appendix
No  image  is  displayed  from  your  PC  or  video  equipment  to  the projector�
Still no image even though you connect the projector to the PC first, then start the PC�
Enabling your notebook PC’s signal output to the projector �
•	 A	combination 	of 	function 	keys	 will	enable/disable 	the 	exter-nal	 display.	 Usually,	 the	combination	 of	the	 “Fn”	 key	along	with	 one	of	the	 12	function	 keys	turns	 the	external	 display	on	or	off.	
No image (blue or black background, no display)�
Still  no  image  even  though  you  press  the  AUTO  ADJUST button�
Still  no  image  even  though  you  carry  out  [RESET]  in  the projector’s menu�
Signal cable’s plug is fully inserted into the input connector
A message appears on the screen�( _____________________________________________ )
The source connected to the projector is active and available�
Still  no  image  even  though  you  adjust  the  brightness  and/or the contrast�
Input source’s resolution and frequency are supported by the projector �
 Troubleshooting Check List
Before	contacting	 your	dealer	 or	service	 personnel,	 check	the	following	 list	to	be	 sure	 repairs	 are	needed	 also	by	
referring	 to	the	 “Troubleshooting” 	section	 in	your	 user’s	 manual. 	This	 checklist	 below	will	help	 us	solve	 your	problem	
more	efficiently.
*	Print	this	page	and	the	next	page	for	your	check.
Frequency of occurrence   always    sometimes (How often?_____________________)     other (__________________)
Power
No power (POWER indicator does not light blue)  See also “Status Indicator (STATUS)”�
Power cord’s plug is fully inserted into the wall outlet�
Main power switch is pressed to the ON position�
Lamp cover is installed correctly �
Lamp  Hours  Used  (lamp  operation  hours)  was  cleared  after lamp replacement�
No power even though you press and hold the POWER button for 1 second�
Shut down during operation�
Power cord’s plug is fully inserted into the wall outlet�
Lamp cover is installed correctly �
[AUTO POWER OFF] is turned off (only models with the [AUTO POWER OFF] function)�
[OFF TIMER] is turned off (only models with the [OFF TIMER] function)�
Video and Audio
Image is too dark�
Remains  unchanged  even  though  you  adjust  the  brightness and/or the contrast�
Image is distorted�
Image appears to be trapezoidal (unchanged even though you carry out the [KEYSTONE] adjustment)�
Parts of the image are lost�
Still  unchanged  even  though  you  press  the  AUTO  ADJUST button�
Still  unchanged  even  though  you  carry  out  [RESET]  in  the projector’s menu�
Image is shifted in the vertical or horizontal direction�
Horizontal  and  vertical  positions  are  correctly  adjusted  on  a computer signal�
Input source’s resolution and frequency are supported by the projector �
Some pixels are lost�
Image is flickering�
Still  unchanged  even  though  you  press  the  AUTO  ADJUST button�
Still  unchanged  even  though  you  carry  out  [RESET]  in  the projector’s menu�
Image shows flickering or color drift on a computer signal�
Still  unchanged  even  though  you  change  [FAN  MODE]  from [HIGH ALTITUDE] to [AUTO]�
Image appears blurry or out of focus�
Still unchanged even though you checked the signal’s resolution on PC and changed it to projector’s native resolution�
Still unchanged even though you adjusted the focus�
No sound�
Audio  cable  is  correctly  connected  to  the  audio  input  of  the projector�
Still unchanged even though you adjusted the volume level�
AUDIO OUT is connected to your audio equipment (only models with the AUDIO OUT connector)�
Other
Remote control does not work�
No  obstacles  between  the  sensor  of  the  projector  and  the remote control�
Projector is placed near a fluorescent light that can disturb the infrared remote controls�
Batteries are new and are not reversed in installation� 
Buttons on the projector cabinet do not work (only models with the [CONTROL PANEL LOCK] function)
[CONTROL  PANEL  LOCK]  is  not  turned  on  or  is  disabled  in 
the menu�
Still unchanged even though you press and hold the EXIT button for a minimum of 10 seconds� 
						

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8. Appendix
In the space below please describe your problem in detail.
Information on application and environment where your projector is used
ProjectorModel number:
Serial No�:
Date of purchase:
Lamp operating time (hours):
Eco Mode:  OFF  AUTO ECO
  ECO1  ECO2
Information on input signal:
Horizontal synch frequency  [          ] kHz
Vertical synch frequency [          ] Hz
Synch polarity H  (+)   (−)
 V  (+)   (−)
Synch type  Separate   Composite
  Sync on Green
STATUS Indicator:
Steady light  Orange   Green
Flashing light  [          ] cycles
Remote control model number:
Signal	cable
NEC standard or other manufacturer’s cable?
Model number:                        Length:              inch/m
Distribution amplifier Model number:
Switcher Model number:
Adapter Model number:
ProjectorPC
DVD player
Installation environment
Screen size:      inch
Screen type:  White matte    Beads   Polarization
  Wide angle    High contrast
 Throw distance:    feet/inch/m
 Orientation:  Ceiling mount    Desktop
Power outlet connection: 
 Connected directly to wall outlet
 Connected  to  power  cord  extender  or  other  (the 
number of connected equipment______________)

  Connected to a power cord reel or other (the number 
of connected equipment______________)
Computer Manufacturer:
Model number:
Notebook PC  / Desktop 
Native resolution:
Refresh rate:
Video adapter:
Other:
Video	equipment
VCR, DVD player, Video camera, Video game or other
Manufacturer:
Model number: 
						

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8. Appendix
 TravelCare Guide
TravelCare - a service for international travelers
This	product	is	eligible	for	“TravelCare”,	NEC’s	unique	international	warranty	and	repair	service.
For	more	information	on	TravelCare	service,	visit	our	website	(in	English	only).
http://www.nec-display.com/dl/en/pj_support/travel_care.htm l
 TCO Certification
Some	models	 in	this	 product	 family	are	TCO	 certified. 	All	 TCO	 certified	 models	have	the	TCO	 mark	 on	the	 marking	
plate	 (on	the	bottom	 of	the	 product). 	To	 see	 a	list	 of	our	 TCO	 certified	 projectors	 and	their	 TCO	 Certification	 (in	English	
only),	visit	our	website	at	http://www.nec-display.com/ap/en_projector/tco/index.htm l
The	TCO	 certification,	 designed	by	TCO	 Development,	 is	an	 international	 environmental	 and	ergonomics	 standard	
for	IT	equipment. 	
In	some	 cases	 we	may	 post	 a	list	 of	TCO	 certified	 models	on	our	 website	 before	the	TCO	 mark	 is	placed	 on	the	 prod-
uct.	This	 difference	 in	timing	 is	related	 to	the	 date	 certification	 is	received	 compared	 with	the	projectors	 manufacturing	
date. 
						

							©	NEC	Display	Solutions,	Ltd.	2010–20117N951542