Dukane Liquid Crystal Projector Model 8044 Users Manual

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WARNING• Please carefully read the “User’s Manual - Safety Guide”.
Never use the projector if abnormal operations such as smoke, strange odor, excessive
sound, damaged casing or elements or cables, penetration of liquids or foreign matter,
etc. should occur.
Phenomena That May Easily Be Mistaken For Machine Defects
• Although bright spots or dark spots may appear on the screen, this is a
unique characteristic of liquid crystal displays, and such do not constitute or imply a
machine defect.NOTE
Before...

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PhenomenonCases not involving a machine defect, 
and Items to be confirmedReference
pages
Pictures appear
dark.
The brightness setting and/or contrast setting has not been
properly adjusted.
Perform picture adjustments by changing the BRIGHT and/or
CONTRAST settings, etc.
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The WHISPER mode is the current setting.  
Change (by releasing) from the WHISPER mode.
Lamp is approaching the end of its product lifetime.
Exchange the old lamp with a new lamp.32,33
Pictures appear
blurry.
Either the FOCUS...

43
• This specifications are subject to change without notice.NOTE
ItemSpecification
Product nameLiquid crystal projector
Liquid
crystal
panelPanel size1.4 cm (0.55 type)
Drive systemTFT active matrix
Pixels480,000 pixels (800 horizontal x 600 vertical)
LensZoom lens F=1.6 ~ 1.8  f=16.8 ~ 20.1 mm
Lamp130W UHB
Speaker1.0W
Power supplyAC100 ~ 120V, 2.4A / AC220 ~ 240V, 1.1A
Power consumption220W
Temperature range0 ~ 35°C (Operating)
Size332 (W) x 92 (H) x 254 (D) mm (Not including protruding parts)
Weight...

1
In this section, the technical information about this projector is descr\
ibed.• The in\borm\ftion in \tthis m\fnu\fl is subje\tct to ch\fnge without n\totice.
• The m\fnu\b\fcturer \fss\tumes no responsibili\tty \bor \fny errors th\ft m\t\fy \fppe\fr in this m\fn\tu\fl. 
• The reproduction, t\tr\fnsmission or use o\b \tthis document or conte\tnts is not permitted \twithout express written \futhor\tity.
RADEMARK ACKNOWLEDGEMENT :
• VGA \fnd XGA \fre re\tgistered tr\fdem\frks o\b t\the Intern\ftion\fl...

2
Signal Connectors
L-AUDIO-R VIDEO
S-VIDEO AUDIO
Y
COMPONENT VIDEOCB/PBCR/PR
RGBCONTROL

PortSpecification
RGB Video signal: RGB separate, Analog, 0.7 Vp-p, 75 Ωterminator (positive)
H/V. sync. signal:TTL level (positive/negative)
Composite sync. signal: TTL level
D-sub 15-pin shrink jack
AUDIO 
(interlocked port)200 mVrms, 50 kΩ(max. 3.0 Vp-p), Stereo mini jack
CONTROLD-sub 9-pin plug
VIDEO1.0 Vp-p, 75 Ωterminator, RCA jack
AUDIO L, R
(interlocked 
// )

200 mVrms, 50 kΩ(max....

3
Example Of Computer Signal
Resolution 
H × ×
VfH (kHz)fV (Hz)RatingSignal modeDisplay
mode
720 ×40037.985.0VESATEXTZoom in
640 ×48031.559.9VESAVGA (60Hz)Zoom in
640 ×48035.066.7Mac13modeZoom in
640 ×48037.972.8VESAVGA (72Hz)Zoom in
640 ×48037.575.0VESAVGA (75Hz)Zoom in
640 ×48043.385.0VESAVGA (85Hz)Zoom in
800 ×60035.256.3VESASVGA (56Hz)
800 ×60037.960.3VESASVGA (60Hz)
800 ×60048.172.2VESASVGA (72Hz)
800 ×60046.975.0VESASVGA (75Hz)
800 ×60053.785.1VESASVGA (85Hz)
832 ×62449.774.5Mac16modeZoom out
1024...

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Initial Set Signals
The following signals are used for the initial settings.
The signal timing of some computer models may be different. In such case, refer to
adjust the V.POSIT and H.POSIT of the menu.
DATA
HSYNCDATA
VSYNCDisplay interval c
Back porch b
Sync aFront porch d
Display interval c
Back porch b
Sync aFront porch d
Computer /
SignalHorizontal signal timing (µs)
abcd
TEXT2.03.020.31.0
VGA (60Hz)3.81.925.40.6
Mac 13mode2.13.221.22.1
VGA (72Hz)1.33.820.31.0
VGA (75Hz)2.03.820.30.5
VGA...

5
RS-232C Communication
19200bps,  8N1
1. Protocol
Consist of header (7 bytes) + command data (6 bytes).
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low : Lower byte of CRC flag for command data
CRC_high : Upper byte of CRC flag for command data
3 Command data
Command Data Chart
Connecting The Cable
Communications Setting
(1) Turn off the projector and the computer power supplies.
(2) Connect the CONTROL port of the projector with a RS-232C port of the computer by a RS-
232C cable. Use the...

6
RS-232C Communication(continued)
Requesting projector status (Get command)(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2
bytes)+‘00H’+‘00H’) from the computer to the projector.
(2) The projector returns the response code ‘1DH’+ data (2 bytes) to the computer.
Changing the projector settings (Set command)(1) Send the setting code Header + Command data (‘01H’+‘00H’+ type (2 bytes) +
setting code (2 bytes)) from the computer to the projector. 
(2) The projector changes the setting...