NEC Projector PH1400U User Manual

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9. Appendix
❽ 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 COMPUTER 3  02H 03H 00H 00H 02H 01H 03H 0BH
INPUT SELECT HDMI  02H 03H 00H 00H 02H 01H 1AH 22H
INPUT SELECT DisplayPort  02H 03H 00H 00H 02H 01H 1BH 23H
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
PICTURE MUTE ON  02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF  02H 11H 00H 00H 00H 13H
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 f\
or long cable runs.
PC Control Connector (D-SUB 9P)
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.
15 243
67 98
To	GND	of	PC
To RxD of PCTo TxD of PC
To	RTS	of	PC
To	CTS	of	PC 
						

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9. 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 �
❾ 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�
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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9. 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 □ ON
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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9. Appendix
❿ REGISTER YOUR PROJECTOR! (for residents in the United 
States, Canada, and Mexico)
Please	take	time	 to	register	 your	new	projector. 	This	 will	activate	 your	limited	 parts	and	labor	 warranty	 and	InstaCare	
service	program.
Visit	 our	web	 site	at	www.necdisplay.com,	click	 on	support	 center/register	 product	and	submit	 your	completed	 form	
online.
Upon	receipt,	 we	will	 send	 a	confirmation	 letter	with	all	the	 details	 you	will	need	 to	take	 advantage	 of	fast,	 reliable	
warranty	and	service	programs	from	the	industry	leader,	NEC	Display	Solutions	of	America,	Inc. 
						

							©	NEC	Display	Solutions,	Ltd.	20137N951921