Canon projector LV7285 User Manual

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7. Appendix
 Relationship between Screen Size and Projection distance
LV-7 3 8 5 / LV-7 3 8 0 / LV-7 2 8 5 / LV-7 2 8 0
Screen size at 4:3
aspect ratioW×D(cm) Zoomed	projection	dis
-
tance H1H2 Screen size at 16:10
aspect ratioW×D(cm)
Max. Min.
21” 43  × 32  -0.8m
(2.6') 2 7c m
(0.9') 5cm
(0.2') 20”
43  × 27 
25” 51 × 38  0.8m
(2.6') 0.9m
(3.0') 32cm
(1.1' ) 6cm
(0.2') 24”
51 × 32 
30” 61  × 46  0.9m
(3.0') 1.1m
(3.6') 39cm
(1. 3 ' ) 7c m
(0.2') 28”
61  × 38 
40” 81  × 61  1. 2 m
(3.9') 1. 5 m
(4.9 ') 51c m
(1.7 ' ) 10 c m
(0.3') 38”
81  ×51 
50” 102  × 76  1. 5 m
(4.9 ') 1. 9 m
(6.2') 64cm
( 2 .1' ) 12c m
(0.4') 47 ”
102  × 64 
60” 12 2 × 91  1. 9 m
(6.2') 2.2m
( 7. 2 ' ) 7 7c m
(2.5') 14 c m
(0.5') 57”
12 2 ×76 
70” 142  × 107  2.2m
( 7. 2 ' ) 2.6m
(8.5') 90cm
(3.0') 17c m
(0.5') 66”
142  × 89 
80” 163  × 12 2  2.5m
(8.2') 3.0m
(9.8') 10 3 c m
(3.4') 19 c m
(0.6') 76”
163  × 102 
90” 18 3 × 137  2.8m
(9.2') 3.4m
(11. 2 ' ) 11 6 c m
(3.8') 21c m
(0.7 ') 85”
18 3 × 114 
10 0 ” 203  × 152  3 .1m
(10. 2 ' ) 3.7m
(12 .1' ) 129 c m
(4. 2 ') 24cm
(0.8') 94”
203  × 127 
11 0 ” 224 × 168  3.4m
(11. 2 ' ) 4 .1m
(13 . 5' ) 141c m
(4.6 ') 26cm
(0.9') 10 4”
224 × 140 
120 ” 244 ×18 3  3.7m
(12 .1' ) 4.5m
(14. 8 ' ) 154cm
( 5 .1' ) 29cm
(0.9') 113 ”
244 × 152 
13 0 ” 264  × 198  4.0m
(13 .1' ) 4.9m
(16 .1' ) 16 7c m
(5.5') 31c m
(1.0 ' ) 123 ”
264  × 165 
14 0 ” 285  × 213  4.4m
(14.4' ) 5.2m
(17.1 ' ) 18 0 c m
(5.9') 33cm
(1.1' ) 13 2 ”
285  × 17 8  
15 0 ” 305  × 229  4.7m
(15 .4' ) 5.6m
(18 .4' ) 19 3 c m
(6.3') 36cm
(1. 2 ' ) 14 2 ”
305  × 191 
16 0 ” 325  × 244  5.0m
(16 .4' ) 6.0m
(19.7 ' ) 206cm
(6.8') 38cm
(1. 3 ' ) 151”
325  × 203 
17 0 ” 345  × 259  5.3m
(17. 4 ' ) 6.4m
(21.0 ' ) 219 c m
( 7. 2 ' ) 41c m
(1. 3 ' ) 16 0 ”
345  × 216 
176 ” 358  × 268  5.5m
(18 .0 ' ) 6.6m
(21.7 ' ) 226cm
( 7. 4 ' ) 42cm
(1.4' ) 16 6 ”
358  × 224 
18 0 ” 366  × 2 74   5.6m
(18 .4' ) 6.8m
(22.3') 231c m
( 7. 6 ' ) 43cm
(1.4' ) 17 0 ”
366  × 229 
19 0 ” 386  × 290  5.9m
(19.4' ) 7.1 m
(23.3') 244cm
(8.0') 45cm
(1. 5' ) 17 9 ”
386  × 241 
200” 406  × 305  6.2m
(20.3') 7. 5 m
(24.6') 2 5 7c m
(8.4') 48cm
(1.6 ' ) 18 9 ”
406  × 254 
210 ” 427  × 320  6.6m
(21.7 ' ) 7. 9 m
(25.9') 270cm
(8.9') 50cm
(1.6 ' ) 19 8 ”
427  × 267 
220” 447  × 335  6.9m
(22.6') 8.3m
( 2 7. 2 ' ) 283cm
(9.3') 52cm
(1.7 ' ) 208”
447  × 279 
230” 467  × 3 51  7. 2 m
(23.6') 8.6m
(28.2') 296cm
(9.7 ') 55cm
(1. 8 ' ) 217 ”
467  × 292 
240” 488  × 366  7. 5 m
(2
 4.6') 9.0m
(29.5') 309cm
(10.1') 5 7c m
(1. 9 ' ) 226”
488  × 305 
250” 508  × 381  7. 8 m
(25.6') 9.4m
(30.8') 3 21c m
(10. 5' ) 60cm
(2.0') 236”
508  × 318 
260” 528  × 396  8 .1m
(26.6') 9.8m
(32.2') 334cm
(11. 0 ' ) 62cm
(2.0') 245”
528  × 330 
270” 549  × 412  8.4m
( 2 7. 6 ' ) 10 .1m
( 3 3 .1' ) 3 47c m
(11. 4 ' ) 64cm
( 2 .1' ) 255”
549  × 343 
280” 569  × 427  8.8m
(28.9') 10.5m
(34.5') 360cm
(11. 8 ' ) 6 7c m
(2.2') 264”
569  × 356 
290” 589  × 442  9 .1m
(29.9') 10.9 m
(35.8') 373cm
(12 . 2 ' ) 69cm
(2.3') 2 74 ”
589  × 368 
300” 610 × 457  9.4m
(30.8') 11. 3 m
( 3 7.1 ' ) 386cm
(12 .7 ' ) 71c m
(2.3') 283”
610 ×381  
						

							83
7. Appendix
LV- 8 3 10 / LV- 8 2 15
Screen size at 16:10aspect ratioW×D(cm) Zoomed	projection	dis
-
tance H1H2 Screen size at 4:3
aspect ratioW×D(cm)
Max. Min.
21” 45 × 28 -0.8m
(2.6’) 26cm
(0.8’) 2cm
(0.1’) 19” 38 × 28
25” 54 × 34 0.8m
(2.6’) 1.0m
(3.2’) 31cm
(1.0’) 3cm
(0.1’) 22” 45 × 34
30” 65 × 40 1.0m
(3.2’) 1.2m
(3.8’) 37cm
(1.2’) 4cm
(0.1’) 26” 54 × 40
40” 86 × 54 1.3m
(4.2’) 1.6m
(5.1’) 49cm
(1.6’) 5cm
(0.2’) 35” 72 × 54
50” 108 × 67 1.6m
(5.3’) 2.0m
(6.4’) 61cm
(2.0’) 6cm
(0.2’) 44” 90 × 67
60” 129 × 81 2.0m
(6.4’) 2.4m
(7.7’) 74cm
(2.4’) 7cm
(0.2’) 53” 108 × 81
70” 151 × 94 2.3m
(7.5’) 2.8m
(9.1’) 86cm
(2.8’) 8cm
(0.3’) 62” 126 × 94
80” 172 × 108 2.6m
(8.6’) 3.2m
(10.4’) 98cm
(3.2’) 9cm
(0.3’) 71” 144 × 108
90” 194 × 121 3.0m
(9.7’) 3.6m
(11.7’) 111cm
(3.6’) 11cm
(0.3’) 79” 162 × 121
10 0 ” 215 × 135 3.3m
(10.8’) 4.0m
(13.0’) 123cm
(4.0’) 12cm
(0.4’) 88” 179 × 135
11 0 ” 237 × 148 3.6m
(11.9’) 4.4m
(14.3’) 135cm
(4.4’) 13cm
(0.4’) 97” 197 × 148
120 ” 258 × 162 4.0m
(13.0’) 4.8m
(15.6’) 147cm
(4.8’) 14cm
(0.5’) 106” 215 × 162
13 0 ” 280 × 175 4.3m
(14.1’) 5.2m
(16.9’) 160cm
(5.2’) 15cm
(0.5’) 115” 233 × 175
14 0 ” 302 × 188 4.6m
(15.2’) 5.6m
(18.2’) 172cm
(5.6’) 16cm
(0.5’) 124” 251 × 188
15 0 ” 323 × 202 5.0m
(16.3’) 6.0m
(19.5’) 184cm
(6.0’) 18cm
(0.6’) 132” 269 × 202
16 0 ” 345 × 215 5.3m
(17.4’) 6.4m
(20.9’) 197cm
(6.4’) 19cm
(0.6’) 141” 287 × 215
17 0 ” 366 × 229 5.6m
(18.4’) 6.8m
(22.2’) 209cm
(6.9’) 20cm
(0.7’) 150” 305 × 229
176 ” 379 × 237 5.8m
(19.1’) 7.0m
(23.0’) 216cm
(7.1’) 21cm
(0.7’) 155” 316 × 237
18 0 ” 388 × 242 6.0m
(19.5’) 7.2m
(23.5’) 221cm
(7.3’) 21cm
(0.7’) 159” 323 × 242
19 0 ” 409 × 256 6.3m
(20.6’) 7.6m
(24.8’) 233cm
(7.7’) 22cm
(0.7’) 168” 341 × 256
200” 431 × 269 6.6m
(21.7’) 8.0m
(26.1’) 246cm
(8.1’) 24cm
(0.8’) 177” 359 × 269
210 ” 452 × 283 7.0m
(22.8’) 8.4m
(27.4’) 258cm
(8.5’) 25cm
(0.8’) 185” 377 × 283
220” 474 × 296 7.3m
(23.9’) 8.8m
(28.7’) 270cm
(8.9’) 26cm
(0.9’) 194” 395 × 296
230” 495 × 310 7.6m
(25.0’) 9.2m
(30.0’) 283cm
(9.3’) 27cm
(0.9’) 203” 413 × 310
240” 517 × 323 8.0m
(26.1’) 9.6m
(31
 .3’)295cm
(9.7’) 28cm
(0.9’) 212” 431 × 323
250” 538 × 337 8.3m
(27.2’) 10.0m
(32.7’) 307cm
(10.1’) 29cm
(1.0’) 221” 449 × 337
260” 560 × 350 8.6m
(28.3’) 10.4m
(34.0’) 319cm
(10.5’) 31cm
(1.0’) 230” 467 × 350
270” 582 × 363 9.0m
(29.4’) 10.8m
(35.3’) 332cm
(10.9’) 32cm
(1.0’) 238” 485 × 363
280” 603 × 377 9.3m
(30.5’) 11.2m
(36.6’) 344cm
(11.3’) 33cm
(1.1’) 247” 503 × 377
290” 625 × 390 9.6m
(31.6’) 11.6m
(37.9’) 356cm
(11.7’) 34cm
(1.1’) 256” 521 × 390
300” 646 × 404 9.9m
(32.6’) 12.0m
(39.2’) 369cm
(12.1’) 35cm
(1.2’) 265” 538 × 404 
						

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7. Appendix
 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.
15243
67 98
to gnd of PC
t
o r xd of PC
t
o t xd of PC
t o rts of PC
t o C ts of PC 
						

							85
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 but ton.
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. Appendix
 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  with  the 
Power Management function).
Of f timer is turned off (only models with the Off 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 but ton.
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  projector  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. 
						

							86
7. Appendix
In the space below please describe your problem in detail.
Information on application and environment where your projector is usedProjectorModel name:
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:
Signal cable Canon standard or other manufacturer’s cable? Model number:                        Length:              inch/m
Distribution amplifier Model number:
Switcher Model number:
Adapter Model number:
Projector PC
a udio-video equipment
Installation environment
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:
Audio-video equipment VCR, DVD player, Video camera, Video game or other
Manufacturer:
Model number: 
						

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