NEC Lt100 Projector Users Manual

							79
Remote Control Battery Installation
1. Press firmly and slide the battery cover off.
2. Remove both old batteries and install new ones (AA). Ensure that you have the batteries polarity
(+/Ð) aligned correctly.
3. Slip the cover back over the batteries until it snaps into place.
MAINTENANCE80
Operating Range
Range of 360û and a distance of 23 feet (7 m) from the remote sensor.
30˚
30˚
Operation distance
of 23 feet (7m) 
						

							Etape 3
Etape 4
Etape 5
81
Cette section dŽcrit les procŽdures simples dÕentretien que vous aurez ˆ
suivre pour remplacer la lampe et remplacer les piles de la tŽlŽcommande.
Remplacement de la lampe
Lorsque la lampe a ŽtŽ utilisŽe pendant 1000 heures ou plus, le voyant ÒStatusÓ (Žtat) du

1000 heures pour conserver une performance optimale de votre projecteur.
PRECAUTIO N
¥

chaude. Laissez-la refoidir pendant au moins une heure avant de la manipuler.
¥ NE RETIREZ AUCUNE VIS mis ˆ part la vis qui fixe le couvercle de lampe
et les deux vis du compartiment de lampe. Vous risquez de recevoir une
dŽcharge ŽlŽctrique.
¥ Mettez le projecteur hors circuit et dŽbranchez le cordon dÕalimentation.
Laissez refroidir la lampe pendant au moins une heure.
¥ 

1000 heures dÕutilisation, lÕampoule peut se briser et des brisures de verre

car elles peuvent vous blesser. Dans ce cas, contactez votre revendeur NEC
afin de procŽder au remplacement de la lampe.
Etape 6
Etape 7,8
Etape 9
MAINTENANCE82
Pour remplacer la lampe :
1. Mettre lappareil sous tension et dŽbrancher le cordon dalimentation.
2. 
3. Desserrer le vis de fixation du couvercle de la lampe.
4. 
ATTENTION : ne pas utiliser une autre lampe que la lampe de remplacement NEC.

5. Desserrer les trois vis du bo”tier de lampe.

dŽcharge Žlectrique. Ne pas essayer de circonvenir ce mŽcanisme)
6. En maintenant la poignŽe, tirer le bo”tier de lampe vers lavant et lextraire.
7. Installer le nouveau bo”tier de lampe et le fixer avec les trois vis.
8. Serrer les trois vis du bo”tier de lampe.
9.
RŽinstaller le couvercle de la lampe dans sa position dorigine et le fixer avec les vis de fixation.
10. Initialiser le temps de la lampe.
SŽlectionner le menu de temps dutilisation de la lampe, puis appuyer sur la touche
ON sur la tŽlŽcommande et la maintenir enfoncŽe pendant au moins dix secondes.
REMARQUE : 
appuyez sur la touche ÒPower OffÓ (alimentation dŽsactivŽe)(et non ÒPower OnÓ
(alimentation activŽe)) de la tŽlŽcommande pendant dix secondes. Effectuez cette
opŽration uniquement lorsque vous avez remplacŽ la lampe.
Couvercle de
la lampe
Bo”tier de
lampe 
						

							83
MAINTENANCE84
Installation des piles de la tŽlŽcommande
1. Appuyez fermement et retirez le couvercle des piles en le faisant glisser.
2. Retirez les deux piles usagŽes et installez de nouvelles piles (AA). Assurez-vous de respecter la
polaritŽ (+/Ð) des piles.
3. Remettez le couvercle des piles en le faisant glisser, jusquÕˆ ce quÕil sÕembo”te.
PortŽe de fonctionnement

30˚
30˚
Operation distance of 7m 
						

							This section helps you resolve problems you may encounter while setting up or using your MultiSync LT100 Projector.
Status Light Messages
TROUBLESHOOTING 585
Status
mNormal
mThe projector lamp has exceeded 1000 hours of operation and should be replaced.
mThe lamp housing is not correctly installed. Install it correctly.
¥ The temperature protector has been triggered.  If the room temperature is high, move the projector
to a cooler location.  If the temperature inside the projector is high, check the cooling fan ventila-
tion hole and the ventilation hole on the bottom of the projector.  If any of the holes are blocked,
remove whatever is blocking them.
¥ The temperature protector has been triggered.  If you switch the main Power switch Off, then
immediately switch it On again, sometimes the power does not come on.  If this happens, wait one
minute, then switch the power On again. Condition
OFF
On Continually
Blinking very rapidly
(On and off in a cycle of 1 sec.)
Blinking rapidly
(On and off in a cycle of 4 sec.)
TROUBLE SHOOTING86 Blinking Slowly
(On and off in a cycle of 8 sec.)
Blinking very slowly
(On and off in a cycle of 12 sec.)mThe cooling fan has stopped. Contact your NEC dealer for service.
mThe lamp is not turned on.
¥ The projector was turned off and back on too quickly. Turn off the projector, wait one
minute, then turn the projector back on. Or the lamp is burnt out. 
						

							Common Problems & Solutions
Problem
Does not turn on
No picture
Image isnÕt square
to the screen
Picture is blurredCheck These Items
¥ Check that the power cable is plugged in and that the power switch on the back panel is on.
¥ Ensure that the lamp cover and lamp housing are installed correctly. (See page 77.)
¥ Check the status light to see if the projector has overheated or the lamp usage exceeds 1100
hours.
¥
Use the menu icons to select your source (Video, S-Video, RGB or PC Card). (See pages 59 and 60.)
¥ Ensure your cables are connected properly.
¥ Use icons to adjust the brightness and contrast.
¥ Remove the lens cap.
¥ Is the POWER indicator blinking?
¥ Reset the settings or adjustments to factory preset levels using the RESET icon on the Settings
Menu.
¥ Reposition the projector to improve its angle to the screen.
¥ Adjust the focus. (See page 36.)
¥ Reposition the projector to improve its angle to the screen.
¥ Ensure that the distance between the projector and screen is within the adjustment range of the lens.
87
Problem
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Status indicator is lit or
blinking
Cross color in RGB
modeCheck These Items
¥ Use icons to select the source you want to input.
¥ If PC signal is set up in Custom Setting, select corresponding Custom Setting (Custom 1,
Custom 2, etc.).
¥ Install new batteries. (See page 79.)
¥ Make sure there are no obstacles between you and the projector.
¥ Stand within 23 feet (7m) of the projector.
See the Status Light message chart on pages 85 and 86.
If ÒAuto PictureÓ is off, turn it on. If ÒAuto PictureÓ is on, turn it off and balance the image with the
Picture Adjustment icon and Fine Picture Adjustment icon.
To Contact Your NEC Service Representative, Call 1-800-836-0655
TROUBLE SHOOTING88 
						

							This section provides technical information about the MultiSync LT100 Projectors performance.
Optical
DMDTM
Single Chip Digital Micromirror Device(DMDTM), 10242768 dots
Lens Manual zoom, manual focus
F 2.44 f =26-30 mm
Lamp Metal halide lamp 280 W
Image Size 610-7620 mm (24-300 inches) diagonal
Projection Distance 1.2 Ð 12.3m
Contrast Ratio Greater than 200 : 1
Color Temperature 7000 Kelvin
SPECIFICATIONS 689
Electrical
Inputs Video (NTSC / PAL / SECAM / NTSC 4.43)
RGB (H : 15 Ð 85 kHz, V : 50 Ð 85 Hz)
Video Bandwidth RGB: 60 MHz
Color Reproduction Full color, 16.7 million colors simultaneously.
Horizontal Resolution NTSC / YCbCr 550, PAL 350, SECAM 350, NTSC4.43 350 TV lines
RGB 1024 dots horizontal, 768 dots vertical
Power Requirement 100 Ð 120 / 220 Ð 240 VAC, 50 / 60 Hz
Input Current 4.6 A (100 Ð 200 VAC) / 2.2 A (220 Ð 240 VAC)
Mechanical
Dimensions9.8  (W)25.6  (H)213.4 (D)  / 25.0 cm (W)214.2 cm (H)234.0 cm (D) (Including lens hood and feet)
9.8  (W)25.6  (H)212.6 (D)  / 25.0 cm (W)214.2 cm (H)232.0 cm (D) (Not including lens hood)
Net Weight 10.8 lbs / 4.9 kg
Operational Temperatures Projector: 41° Ð 95°F (5° to 35°C), 30 Ð 85% humidity
Remote control: 32° Ð 140°F (0° to 60°C)
Remote mouse receiver: 32° Ð 140°F (0° to 60°C)
Regulations UL Approved (UL 1950, CSA 950)
Meets DOC Canada requirements
Meets FCC Class A requirements
SPECIFICATIONS90
Digital Light Proccessing, DLP, Digital Micromirror
Device and DMD are trademarks of Texas Instruments. 
						

							Cabinet Dimensions
91
Unit : inch (mm)
SPECIFICATIONS92
12.6
(320)
9.8
(250)
3.8
(97)
0.79
(20)5.6
(142)
4.5
(114)0.7
(19)
3.3
(83)
Lens center 
						

							D-Sub Pin Assignments
      PC 15-Pin mini D-Sub
Pin No. Signal to be connected
1 Red
2 Green
3 Blue
4 GND
5 GND
6 Red GND
7 Green GND
8 Blue GND
9 No Connection
10 Digital GND
11 GND
12 No Connection
13 Horizontal Sync
14 Vertical Sync
15 No Connection
1 2
3 4
5
11 12 13
14 15
6
7 8 9
10
  PC 15-Pin mini D-Sub
93
SPECIFICATIONS94 
						

							Timing Chart
95
SPECIFICATIONS96
Y/N Signal Resolution Refresh F.H. Dot
Rate (Hz) (kHz) Clk(MHz)
Y NTSC 6402480 60 15.734 -
Y PAL 7682576 50 15.625 -
Y SECAM 7682576 50 15.625 -
Y VESA 6402350 85.08 37.86 31.5
Y IBM 6402400 70 31.47 25.175
Y VESA 6402400 85.08 37.86 31.5
Y MAC 6402400 66 35 30.24
Y VESA 6402480 59.94 31.47 25.175
Y IBM 6402480 60 31.47 25.175
Y MAC 6402480 60 31.47 25.175
Y MAC 6402480 66.7 34.97 31.334
Y MAC 6402480 66.67 35 30.24
Y VESA 6402480 72.81 37.86 31.5
Y VESA 6402480 75 37.5 31.5
Y IBM 6402480 75 39.375 31.49
Y VESA 6402480 85.01 43.269 36
Y IBM 7202350 70.09 31.469 28.322
Y IBM 7202400 70.09 31.4469 28.322
Y VESA 7202400 85.04 37.927 40
Y IBM 7202350 87.85 39.44 35.5
# 11522870, # 11522900 and # 128021024
images are compressed into 10242768
Y IBM 7202400 87.7 39.375 35.5
Y VESA 8002600 56.25 35.16 36
Y VESA 8002600 60.32 37.879 40
Y VESA 8002600 72.19 48.077 50
Y VESA 8002600 75 46.88 49.5
Y VESA 8002600 85.06 53.674 56.25
Y MAC 8322624 74.55 49.725 57.283
N VESA 10242768 43interlace 35.5 44.9
Y VESA 10242768 60 48.363 65
Y VESA 10242768 70.07 57.476 75
Y IBM 10242768 72.03 58.131 79
Y MAC 10242768 74.93 60.241 80
Y VESA 10242768 75.03 60.023 78.75
Y VESA 10242768 85 68.677 94.5
Y SGI 10242768 60.4 49.7 70
# MAC 11522870 75.6 68.7 100
# SUN 11522900 65.95 61.769 92.94
# SGI 11522900 70.05 71.736 105.6
# SGI 128021024 60 63.9 107.35
# VESA 128021024 60.02 64.286 108
# MAC 128021024 69.89 74.882 118.5
# HP 128021024 72.01 78.125 135
# VESA 128021024 75.03 79.976 135
# SUN 128021024 76.11 81.13 135 
						

							97
01 Video 03H No Same as remote
02 RGB 04H No Same as remote
03 S-Video C6H No Same as remote
04 PC CARD 27H No Same as remote (available only when Viewer kit is connected to)
05 Power On 08H No Same as remote
06 Power Off 14H No Same as remote
07 Picture Mute 47H No Same as remote
08 Audio Mute 45H No
09 Onscreen Mute 11H No
10 Reset 43H No
11 D Up DEH No Same as remote
12 D Down DFH No Same as remote
13 D Right DCH No Same as remote
14 D Left DDH No Same as remote
15 D Right Up 21H No Same as remote
SPECIFICATIONS98
PC Control Command Reference
Command Codes
No. Function Code Data Description
16 D Left Up 22H No Same as remote
17 D Right Down 23H No Same as remote
18 D Left Down 24H No Same as remote
19 Freeze 4CH No Same as remote
20 Slide + 4BH No Same as remote (available only when PC CARD is selected)
21 Slide Ð 20H No Same as remote (available only when PC CARD is selected)
22 Front Floor 33H No
23 Front Ceiling 34H No
24 Rear Floor 35H No
25 Rear Ceiling 36H No
26 Auto Start On 19H No
27 Auto Start Off 1AH No
28 Auto Picture On 1BH No
29 Auto Picture Off 1CH No
30 Input Mode Select 1DH Yes 0 Standard VIDEO (available only when VIDEO/S-VIDEO is selected)
1 Doc Camera
31 Gamma Select 1EH Yes 0 Normal
1 Natural 1
2 Natural 2