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...

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...

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...

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...

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...

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...

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...

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...