Dell 1800MP Projector Owners Manual

							Troubleshooting Your Projector31
4
Troubleshooting Your Projector
If you experience problems with your projector, see the following troubleshooting 
tips. If the problem persists, contact Dell. 
Problem Possible Solution
No image appears on the 
screen
• Ensure that the lens cap is removed and the 
projector is turned on. 
• Ensure the external graphics port is enabled. 
If you are using a Dell portable computer, 
press   (Fn+F8). For other 
computers, see your respective 
documentation. 
• Ensure that all the cables are securely 
connected. See 
Connecting Your Projector 
on page 7.
• Ensure that the pins of the connectors are 
not bent or broken. 
• Ensure that the lamp is securely installed 
(see 
Changing the Lamp on page 35). 
•Use 
Te s t  Pa t t e r n in the Preferences menu. 
Ensure that the colors of the test pattern are 
correct.  
						

							32Troubleshooting Your Projector
Partial, scrolling, or 
incorrectly displayed image1Press the Resync button on the remote 
control or the control panel.
2If you are using a Dell portable computer, set 
the resolution of the computer to XGA 
(1024 x 768): 
aRight-click the unused portion of your 
Windows desktop, click 
Properties and 
then select 
Settings tab.
bVerify the setting is 1024 x 768 pixels for 
the external monitor port.
cPress  (Fn+F8). 
If you experience difficulty in changing 
resolutions or your monitor freezes, restart all 
the equipment and the projector.
If you are not using a Dell portable computer, 
see your documentation.
The screen does not display 
your presentationIf you are using a portable computer, press 
 
(Fn+F8). 
Image is unstable or flickering Adjust the tracking in the OSD Display tab 
(in PC Mode only). 
Image has vertical flickering 
barAdjust the frequency in the OSD Display tab 
(in PC Mode only). 
Image color is not correct 
• If your graphic card output signal is sync on 
Green, and you would like to display VGA at 
60Hz signal, please go into OSD select 
Display, select Signal Type and then select 
RGB. 
•Use 
Te s t  Pa t t e r n in the Preferences menu. 
Ensure that the colors of the test pattern are 
correct. 
Image is out of focus1Adjust the focus ring on the projector lens.
2Ensure that the projection screen is within 
the required distance from the projector 
(4.9 ft [1.5 m] to 39.4 ft [12.0 m]).
Problem (continued)Possible Solution (continued) 
						

							Troubleshooting Your Projector33
The image is stretched when 
displaying a 16:9 DVDThe projector automatically detects a 16:9 
DVD and adjusts the aspect ratio to full 
screen with a 4:3 (letter-box) default setting. 
If the image is still stretched, adjust the aspect 
ratio as follows:
• If you are playing a 16:9 DVD, select 4:3 
aspect ratio type on your DVD player.
• If you cannot select 4:3 aspect ratio type on 
your DVD player, select 4:3 aspect ratio in 
the 
Set Up menu in the OSD.
Image is reversed Select Set Up from the OSD and adjust the 
projector mode.
Lamp is burned out or makes 
a popping soundWhen the lamp reaches its end of life, it may 
burn out and may make a loud popping sound. 
If this occurs, the projector does not turn back 
on. To replace the lamp, see Changing the 
Lamp on page 35. 
LAMP light is solid orange If the LAMP light is solid orange, replace the 
lamp. 
LAMP light and Po we r light 
are blinking orange If the LAMP light and the Po w e r light are 
blinking orange, the lamp driver has failed and 
the projector will automatically shut down. 
Unplug the power cord  after 3 minutes then 
turn the display on again. If this problem 
persists, contact Dell.
LAMP light is blinking 
orange and Po w e r light is 
solid blueIf the LAMP light is blinking orange and 
Po w e r light is solid blue, the system has failed 
and the projector will automatically shut 
down. Unplug the power cord  after 3 minutes 
then turn the display on again. If this problem 
persists, contact Dell. 
TEMP light is solid orange 
and Po w e r light is solid blue The lamp has overheated. The display 
automatically shuts down. Turn the display on 
again after the projector cools down. If the 
problem persists, contact Dell.  Problem 
(continued)Possible Solution (continued) 
						

							34Troubleshooting Your Projector
TEMP light and Po w e r light 
are solid  orangeThe lamp driver has overheated. The display 
automatically shuts down. Turn the display on 
again after the projector cools down. If the 
problem persists, contact Dell.
TEMP light is blinking 
orangeA projector fan has failed and the projector 
will automatically shut down. If the problem 
persists, contact Dell. 
The OSD does not appear on 
the screenTry to press the Menu button on the panel for 
15 seconds to unlock the OSD. Check the 
Menu Lock on page 27.
The remote control is not 
operating smoothly or works 
only within a limited rangeThe battery may be low. Check if the laser 
beam transmitted from the remote is too dim. 
If so, replace with 2 new AAA batteries. Problem 
(continued)Possible Solution (continued) 
						

							Troubleshooting Your Projector35
Changing the Lamp
Replace the lamp when the message Lamp is approaching the end of its useful life 
in full power operation. Replacement suggested! www.dell.com/lamps appears on 
the screen. If this problem persists after replacing the lamp, contact Dell. For more 
information, see Contacting Dell.
 
CAUTION: The lamp becomes very hot when in use. Do not attempt to replace 
the lamp until the projector has been allowed to cool down for at least 30 
minutes.
1Turn off the projector and disconnect the power cord. 
2Let the projector cool for at least 30 minutes.
3Loosen the 2 screws that secure the lamp cover, and remove the cover. 
 CAUTION: If the lamp has shattered, be careful as broken pieces are sharp 
and can cause injury. Remove all broken pieces from the projector and 
dispose or recycle according to state, local, or federal law. Go to 
www.dell.com/hg for additional information.
4Loosen the 2 screws that secure the lamp. 
 CAUTION: Do not touch the bulb or the lamp glass at any time. Projector 
lamps are very fragile and may shatter if touched.
5Pull up the lamp by its metal handle.
 NOTE: Dell may require that lamps 
replaced under warranty be returned to 
Dell. Otherwise, contact your local 
waste disposal agency for the address 
of the nearest deposit site.
6Replace with the new lamp.
7Tighten the 2 screws that secure the lamp.
8Replace the lamp cover and tighten the 2 
screws.
9Reset the lamp usage time by selecting 
Yes for 
Lamp Reset in the OSD Lamp 
tab. (See 
LAMP on page 25) 
						

							36Troubleshooting Your Projector
 CAUTION: Lamp Disposal (for the US only)
 LAMP(S) INSIDE THIS PRODUCT CONTAIN MERCURY AND MUST BE 
RECYCLED OR DISPOSED OF ACCORDING TO LOCAL, STATE OR FEDERAL 
LAWS. FOR MORE INFORMATION, GO TO WWW.DELL.COM/HG OR CONTACT 
THE ELECTRONIC INDUSTRIES ALLIANCE AT WWW.EIAE.ORG. FOR LAMP 
SPECIFIC DISPOSAL INFORMATION CHECK WWW.LAMPRECYCLE.ORG. 
						

							Specifications37
5
Specifications
5
Light Valve Single-chip 0.55 XGA DDR 
technology
Brightness 2100 ANSI Lumens (Max.)
Contrast Ratio 2000:1 Typical (Full On/Full Off) 
Uniformity 80% Typical (Japan Standard - JBMA)
Lamp 200 watt user-replaceable 2500 hour 
lamp (up to 3000 hours in eco mode)
Number of Pixels 1024 x 768 (XGA)
Displayable Color 16.7M colors
Color Wheel Speed 100~127.5Hz (1.5~2X)
Projection Lens F/2.35~2.47, f=21.83~23.81 mm with 
1.1x manual zoom lens
Projection Screen Size 34.7~304.9 inches (diagonal)
Projection Distance 4.9~39.4 ft (1.5 m~12.0 m)
Video Compatibility NTSC 3.58, NTSC 4.43, PAL, PAL-M, 
PAL-N, SECAM, and HDTV (480i; 
480P; 576i; 576P; 720P; 1080i) 
compatibility
Composite video, Component video 
and S-video capability
H. Frequency 15kHz-94kHz (Analog)
V. Frequency 50Hz-85Hz (Analog)
Power Supply Universal 100-240V AC 50-60Hz with 
PFC input
Power Consumption 255 watts typical, 190 watts in eco 
mode 
						

							38Specifications
Audio  1 speaker, 2 watt RMS
Noise Level 3
6 dB(A) Full-on mode, 31 dB(A) Eco-
mode 
Weight 
						

							Specifications39
RS232 Pin Assignment
RS232 Protocol 
• Communication Settings 
• Command types
To pop up the OSD menu and adjust the settings.
• Control command Syntax (From PC to Projector)
[H][AC][SoP][CRC][ID][SoM][COMMAND] 
•Example: Power ON Command (Send low byte firstly)
--> 0xBE, 0xEF, 0x10, 0x05, 0x00, 0xC6, 0xFF, 0x11, 0x11, 0x01, 0x00, 0x01
•Control Commands List 
Go to support.dell.com to view the latest RS232 code.
Connection settingsVa l u e
Baud Rate: 19200
Data Bits: 8
Pa r i t y N o n e
Stop Bits 1
RXD
TXD GNDGND 
						

							40Specifications
Compatibility Modes
Mode Resolution(ANALOG)V. Frequency (Hz) H. Frequency (KHz)
VGA 640X350 70 31.47
VGA 640X350 85 37.86
VGA 640X400 85 37.86
VGA 640X480 60 31.47
VGA 640X480 72 37.86
VGA 640X480 75 37.50
VGA 640X480 85 43.27
VGA 720X400 70 31.50
VGA 720X400 85 37.93
SVGA 800X600 56 35.16
SVGA 800X600 60 37.88
SVGA 800X600 72 48.11
SVGA 800X600 75 46.88
SVGA 800X600 85 53.67
XGA 1024X768 60 48.36
XGA 1024X768 70 56.48
XGA 1024X768 75 60.02
XGA 1024X768 85 68.68
* 1152X864 75 67.50
*UVGA 1280X960 60 60.00
*UVGA 1280X960 85 85.94
*WXGA 1360X768 60 47.71
*SXGA 1280X1024 60 63.98
*SXGA 1280X1024 75 79.98
*SXGA 1280X1024 85 91.15
*SXGA+ 1400X1050 60 65.31
*SXGA+ 1400X1050 75 82.28
*SXGA+ 1400X1050 85 93.88
*UXGA 1600x1200 60 75.00
*UXGA 1600x1200 65 81.25
*UXGA 1600x1200 70 87.50
MAC LC13 640X480 66.66 34.98
MAC II 13 640X480 66.68 35.00