Canon projector LV7370 User Manual

							
8
7. Append  x
❼ PC Control Codes and Cable Connection
PC Control Codes
NOTE: Contact your local dealer for a full list of the PC Control Codes if needed.
Cable Connection
Communication Protocol
Baud rate  .........................................19200 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.
SERVICE PORT Connector (D-SUB 9P)
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 (Digital) 02H   03H   00H   00H   02H   01H   1AH   22H
INPUT SELECT Computer 2 (Analog) 02H   03H   00H   00H   02H   01H   02H   0AH
INPUT SELECT VIDEO
  02H   03H   00H   00H   02H   01H   06H   0EH
INPUT SELECT S-VIDEO
  02H   03H   00H   00H   02H   01H   0BH   13H
BLANK ON
  02H   10H   00H   00H   00H   12H
BLANK 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.
152 43
6 798
to  gnd  of PCt o  r x d  of PCt o  t x d  of PC
t o  rts  of PC
t o C ts  of PC 
						

							
8
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.
Bat teries are new and are not reversed in installation.
Image is flickering.
Still unchanged even though you press the AUTO PC button.
Still  unchanged  even  though  you  carr y  out  “Reset”  in  the projector’s menu.
Image shows flickering or color drif t on a computer signal.
Still  unchanged  even  though  you  change  [Fan  mode]  from [High altitude] to [Auto].
7. Append  x
❽ Troubleshooting Check List
Before  contacting  your  dealer  or  service  personnel,  check  the  following  list  to  be  sure  repairs  are  needed,  you 
may also refer to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your 
problem more efficiently.
* Print the following pages.
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 star t the PC.
Enabling your notebook PC’s signal output to the projector.
•
  A  combination  of  function  keys  will  enable/disable  the 
external 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 background, logo, no display).
Still no image even though you press the AUTO PC but ton.
Still  no  image  even  though  you  carr y  out  “Reset ”  in  the projector’s menu.
Signal cable's plug is fully inser ted 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  suppor ted  by the projector.
Frequency of occurrence   always    sometimes (How often? _____________________)     other ( __________________ )
Power
No  power  (POWER  indicator  does  not  light  green)    See  also “STATUS Indicator”.
Power cord's plug is fully inser ted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
L amp  counter  (lamp  oper ation  hour s)  was  cleared  af ter lamp replacement.
No power even though you press and hold the POWER but-ton for a minimum of 1 second.
Shut down during operation.
Power cord's plug is fully inser ted into the wall outlet.
Lamp cover is installed correctly .
Power  Management  is  turned  of f  (onl y  models  wi th  the Power Management function).
Of f timer is turned of f (only models with the Of f timer func-tion).
Video and Audio
Image is too dark.
Remains unchanged even though you adjust the brightness and/or the contrast.
Image is distor ted.
Image  appears  to  be  trapezoidal  (unchanged  even  though you carr y out the “Keystone adjustment”).
Par ts of the image are lost.
Still unchanged even though you press the AUTO PC button.
Still  unchanged  even  though  you  carr y  out  “Reset”  in  the projector’s menu.
Image is shif ted in the ver tical or horizontal direction.
Horizontal  and  ver tical  positions  are  correctly  adjusted  on a computer signal.
Input  source's  resolution  and  frequency  are  suppor ted  by the projector.
Some pixels are lost.
Image appears blurr y or out of focus.
Still unchanged even though you checked the signal’s resolu-tion 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
But tons  on  the  projec tor  cabinet  do  not  work  (  only  models with the Key lock function).
Key lock is not turned on or is disabled in the menu.
Still  unchanged  even  though  you  press  and  hold  the  BACK but ton for a minimum of 10 seconds. 
						

							
8
7. Append  x
In the space below please describe your problem in detail.
Information on application and environment where your projector is used
Projector
Model number:
Serial No.:
Date of purchase:
Lamp operating time (hours):
Lamp Mode:
 
 Normal   Quiet
Information on input signal:Horizontal sync frequency   [          ] kHz
Ver tical sync frequency
  [          ] Hz
Sync polarity
  H 
 (+)   (–)
 
V 
 (+)   (–)
Sync type
 
 Separate   Composite
  Sync on Green
STATUS Indicator: Steady light  
 Orange   Green
Flashing light
 
[          ] cycles
Remote control model number:
S  gnal cable
Canon standard or other manufacturer’s cable?
Model number:                        Length:              inch/m
Distribution amplifier
Model number:
Switcher
Model number:
Adapter
Model number:
ProjectorPC
d V d  player
Installat  on env  ronment
Screen size:       inch
Screen type:
 
 White matte    Beads   Polarization
  Wide angle      High contrast
 Throw distance:
   
feet /inch/m
 Orientation:
 
 Ceiling mount    Desk top
Power outlet connection:
   Connected directly to wall outlet
  Connected  to  power  cord  ex tender  or  other  (the 
number of connected equipment ______________)
  Connected to a power cord reel or other (the num-
ber of connected equipment ______________)
Computer
Manufacturer:
Model number:
Notebook PC  / Desk top 
Native resolution:
Refresh rate:
Video adapter:
Other:
V  deo equ  pment
VCR, DVD player, Video camera, Video game or other
Manufacturer:
Model number: 
						

							
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