Dell 1409x Projector Users Guide

Specifications41
5
Specifications
Light Valve 0.55 XGA DMD Type X, DarkChip2™
Brightness 2500 ANSI Lumens (Max.)
Contrast Ratio  1900:1 Typical (Full On/Full Off)
Uniformity 85% Typical (Japan Standard - JBMA)
Lamp 165~200-watt user-replaceable 3000- hour lamp (up to 4000 hours in eco 
mode)
Number of Pixels 1024x 768 (XGA)
Displayable Color 16.7M colors
Color Wheel Speed 2X
Projection Lens F-Stop: F/ 2.41~2.55 Focal length, f=21.8~24 mm
1.1X manual Zoom Lens
Projection Screen Size 22.89-302.8 inches...

42Specifications
Noise Level  34 dB(A) Full-on mode, 31 dB(A) Eco 
mode 
Weight 4.95 lbs (2.25 kg)
Dimensions (W x H x D) External 11.68 x 7.96 x 3.17 ± 0.04  inches (296.5 x 202 x 80.5 ± 1 mm)
Environmental Operating temperature: 5
oC - 35oC 
(41oF- 95oF)
Humidity: 80% maximum
Storage temperature: 0
oC to 60oC
(32oF to 140oF)
Humidity: 90% maximum
Regulatory FCC, CE, VCCI, UL, cUL, Nemko- GS, ICES-003, MIC, C-Tick, GOST, 
CCC, PSB, NOM, IRAM, SABS, 
CECP, SASO, PSE, eK
I/O Connectors Power: AC power...

Specifications43
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 
To view the latest RS232 code, go to the Dell Support site at: support.dell.com.
Connection settingsVa l u e
Baud Rate: 19200
Data...

44Specifications
Compatibility Modes (Analog/Digital)
ResolutionV. Frequency (Hz) H. Frequency (KHz)
640X480 59.9 31.5
640X480 75 37.5
640X480 85 43.3
720X400 70.1 31.5
720X400 85 37.9
800X600 60.3 37.9
800X600 75 46.9
800X600 85.1 53.7
848X480 60 31
1024X768 60 48.4
1024X768 75 60
1024X768 85 68.7
1280X720 59.9 44.8
1280X768 59.9 47.8
1280X800 59.8 49.7
1280X1024 60 64
1280X1024 75 80
1280X1024 85 91.1  1360X768 60 47.7
1400X1050 60 65.3
1440X900 59.9 55.9
1600X1200 60 75
1680X1050 60 65.3 

Contacting Dell™45
Contacting Dell™
For customers in the United States, call 800-WWW-DELL (800-999-
3355). 
 NOTE: If you do not have an active Internet connection, you can find contact 
information on your purchase invoice, packing slip, bill, or Dell product catalog. 
Dell provides several online and telephone-based support and service 
options. Availability varies by country and product, and some services may 
not be available in your area. To contact Dell for sales, technical support, 
or customer...

46Contacting Dell™ 

Glossary47
Appendix: Glossary
ANSI LUMENS —A standard for measuring the brightness. It is calculated by 
dividing a square meter image into nine equal rectangles, measuring the lux (or 
brightness) reading at the center of each rectangle, and averaging these nine 
points.
A
SPECT RATIO —The most popular aspect ratio is 4:3 (4 by 3). Early television and 
computer video formats are in a 4:3 aspect ratio, which means that the width of 
the image is 4/3 times the height.
Brightness— The amount of light...

48Glossary
dB— decibel—A unit used to express relative difference in power or intensity, 
usually between two acoustic or electric signals, equal to ten times the common 
logarithm of the ratio of the two levels. 
Diagonal Screen— A method of measuring the size of a screen or a projected 
image. It measures from one corner to the opposite corner. A 9FT high, 12FT 
wide, screen has a diagonal of 15FT. This document assumes that the diagonal 
dimensions are for the traditional 4:3 ratio of a computer image...

Glossary49
S-Video—A video transmission standard that uses a 4-pin mini-DIN connector to 
send video information on two signal wires called luminance (brightness, Y) and 
chrominance (color, C). S-Video is also referred to as Y/C.
SECAM— A French and international broadcast standard for video and 
broadcasting, closely related to PAL but with a different method of sending color 
information.
SVGA— Super Video Graphics Array— 800 x 600 pixels count.
SXGA— Super Extended Graphics Array,—1280 x 1024 pixels...

50Glossary