Dukane Imagepro 8761a Portable Lcd Projector Users Manual

124
8. Appendix
Common Problems & Solutions (See also Power/Status/Lamp Indicator on page  123 .)
Does not turn on
Will turn off
No picture
Color tone or hue is
unusual
Image isn’t square to
the screen
Picture is blurred
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Indicator is lit or
blinking
Ve rtical stripes in RGB
mode
USB mouse does not
work
Capture function is not
possible. •
Check that the power cable is plugged in and that the power button on th\
e projector...

125
8. Appendix
If there is no picture, or the picture is not displayed correctly.
• Power on process for the projector and the PC.
Be sure to connect the RGB cable between the projector and the computer before turning on the computer.
There are some notebook PCs, which do not output signal unless there is a projector or monitor conn\
ected first.
NOTE: You can check the horizontal frequency of the current signal in the projector’s menu under Information.  If it reads
“0kHz”, this means there is no...

126
8. Appendix
 Specifications
This section provides technical information about the 8761A/8760A Projectors performance.
Model Number                           8761A/8760A
Optical
DMD™ Single Chip Digital Micromirror Device (DMD™)
Resolution 1024  
 768 pixels* up to UXGA with Advanced AccuBlend
Lens Manual zoom and focus: LT265: F2.1 - 2.3    f=28.2mm - 33.6mm
L T245: F2.2 - 2.5    f=22.1mm - 26.5mm
Lamp 220 W DC standard
Image Size 30 inches - 500 inches (0.8 m - 12.7 m) diagonal
Projection...

127
8. Appendix
Mechanical
Installation Orientation: Desktop/Front, Desktop/Rear, Ceiling/Front, Ceiling/Rear
Dimensions 10.2 (W)  
 3.6 (H)  
 10.8 (D)
260mm (W)  
 92mm (H)  
 275mm (D)
(not including protrusions)
Net WeightLT265: 6.5 lbs / 2.9 kg LT245: 7.1 lbs / 3.2 kg
Environmental Considerations
Operational Temperatures  : 41° to 95 °F (5 ° to 35 °C), 20% to 80% humidity
(non-condensing)
Storage Temperatures  : 14° to 122 °F (-10 ° to 50 °C), 20% to 80% humidity
(non-condensing)
Regulations UL...

128
PC CARDSOURCE
AUTO ADJUST
3D REFORM LAMP
STATUS
POWER
ON/STAND BYSELECT
260 (10.24) 
57 (2.24)
275 (10.83) 
 8761A: 313 (12.32) / 8760A: 315 (12.4)
123 (4.84)107 (4.2) 83 (3.27) 
92 (3.6)
PC CARDR  AUDIO IN  L VIDEO INCOMPUTER 1 IN  COMPUTER 2 IN MONITOR OUT
AUDIO IN AUDIO OUT
USB
LAN
S-VIDEO INPC CONTROL
8. Appendix
  Cabinet Dimensions
Lens center
Lens center
Unit: mm (inch) 

129
Mini D-Sub 15 Pin Connector
 Pin Assignments of D-Sub COMPUTER 1/2 Input Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
* COMPUTER 1 IN connector only51 423
10
11
12
13
14
15 6
97 8
8. Appendix
Pin No. RGB Signal (Analog) YCbCr Signal
1Red Cr
2 Green or Sync on Green Y
3 Blue Cb
4 Ground
5 Ground
6 Red Ground Cr Ground
7 Green Ground Y Ground
8 Blue Ground Cb Ground
9 No Connection
10 Sync Signal Ground
11 Ground
12 Bi-directional DATA (SDA)*
13 Horizontal Sync or...

130
8. Appendix
 Compatible Input Signal List
Signal Resolution Frequency H. Refresh Rate Dot Clock
( Dots ) ( kHz ) ( Hz ) ( MHz )
#:Images in above flagged with # are compressed with Advanced AccuBlend.
NOTE: Some composite sync signals may not be displayed correctly.
Signals other than those specified in the table above may not be display\
ed correctly. If this should happen, change the refresh
rate or resolution on your PC. Refer to Display Properties help section \
of your PC for procedures.
UXGA...

131
8. Appendix
Cable Connection
Communication Protocol Baud rate ........................................ 38400 bps
Data length ..................................... 8 bits
Parity .............................................. No parity
Stop bit .......................................... One bit
X on/off .......................................... None
Communications procedure ........... Full duplex
NOTE: Depending on the equipment, a lower baud rate may be recommended f\
or long cable runs.
 PC...

132
8. Appendix
 Using Software Keyboard
1 to 0 and Characters
.............................. Use to type in password or keyword.
MODE .................... Selects one of three modes for alphabet and special characters.
SP ......................... Inserts a space
BS ......................... Deletes one character backward
 .......................... Returns to the previous
 .......................... Advances to the next
OK ......................... Executes the selection
Cancel ......................

133
No image is displayed from your PC or video equipment to the
projector.Still no image even though you connect the projector to the PC
first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
•A combination of function keys will enable/disable the ex-
ternal display. Usually, the combination of the “Fn” key along with one of the 12 function keys turns the external displayon or off.
No image (blue background, logo, no display).
Still no image even though you press the AUTO...