Dukane Imagepro 8755e Portable Lcd Projector Users Manual

59

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
Sound does not 
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.,3
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button 
on the remote control.
8
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote...

60

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReference
page
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.
5, 6
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP 
menu.
6, 35
The lamp is approaching the end of its product 
lifetime.
Replace the...

6

Warranty And After-Ser vice
Warranty and after-service
If a problem occurs with the equipment, first refer to the “Troubleshooting” and run 
through the suggested checks. If this does not resolve the problem, please contact your 
dealer or service company. They will tell you what warranty condition is applied.
Specifications
Specifications
NOTE   • These specifications are subject to change without notice.
ItemSpecification
Product nameLiquid crystal projector
Liquid
Crystal
panel
Panel...

6
Specifications
Specifications (continued)
306 mm
49 mm
00 mm86 mm 


Projector
8755E
User's Manual – Operating Guide
Technical
Example of computer signal
Resolution (H x V)H. frequency (kHz)V. frequency (Hz)RatingSignal mode
70 x 40037.985.0VESATEXT
640 x 4803.559.9VESAVGA (60Hz)
640 x 48037.97.8VESAVGA (7Hz)
640 x 48037.575.0VESAVGA (75Hz)
640 x 48043.385.0VESAVGA (85Hz)
800 x 60035.56.3VESASVGA (56Hz)
800 x 60037.960.3VESASVGA (60Hz)
800 x 60048. 7.VESASVGA (7Hz)
800 x 60046.975.0VESASVGA (75Hz)
800 x...



Example of  computer signal
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,  adjust  the  items  V  POSITION 
and H POSITION in the IMAGE menu. 
 Back porch (B) Front porch (D)  Back porch (b) Front porch (d)
 Display interval  (C) Display  interval  (c)
Data  Data
H. Sync. V. Sync.
                  Sync (A)   Sync (a)
Computer/Signal
Horizontal signal timing...

3

Connection to the ports
ARGB IN1, BRGB IN2, CRGB OUT
 D-sub 5pin mini shrink jack
•  Video  signal:  RGB  separate, Analog,  0.7Vp-p, 
75Ω terminated (positive)
• H/V. sync. Signal: TTL level (positive/negative)
• Composite sync. Signal: TTL level
   At RGB signal           
PinSignal
Video Red
Video Green
3Video Blue
4(No connection)
5Ground
6Ground Red
7Ground Green
8Ground Blue
9(No connection)
0Ground
(No connection)
A: SDA (DDC data), B/C : (No...

4

Connection to the ports
43
HVIDEO
RCA jack
• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43
• 1.0±0.1Vp-p, 75Ω terminator
GS-VIDEO
Mini DIN 4pin jack
PinSignal
Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator
Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator
Brightness signal, 1.0Vp-p, 75Ω terminator
3Ground
4Ground
COMPONENT VIDEO DY, ECB/PB, FCR/PR
RCA jack x3
• System: 55i(480i), 55p(480p), 65i(576i), 750p(70p), 5i(080i)...

5

Connection to the ports
Y R
L
AUDIO IN3
AUDIO IN1AUDIO OUT
USB
RGB OUT
AUDIO IN2
VIDEO
S-VIDEO
CB/PB
CR/PRCONTROL
RGB IN2RGB IN1
K
IAUDIO IN-1 (

6

RS-232C Communication
RS-3C Communication
6789345     6789345 
 CONTROL port RS-3C cable (Cross)  RS-3C port 
 of the projector   of the computer - () () CD   RD () () RD   TD (3) (3) TD   - (4) (4) DTR   GND (5) (5) GND   - (6) (6) DSR   RTS (7) (7) RTS   CTS (8) (8) DTS   - (9) (9) RI 
Connecting the cable
. Turn off the projector and the computer. 
. C o n n e c t   t h e   C O N T R O L  p o r t   o f   t h e   p r o...