Dukane ImagePro 8761A Appendix

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 only

51423

10

1112131415

6978

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 Composite Sync
14 Vertical Sync
15 Data Clock*

8761A

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 displayed 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 (1600 ⳯ 1200) is supported for separate sync signal only.

NTSC – 15.734 60 –
PA L–15.625 50 –
SECAM – 15.625 50 –
VESA 640 ⳯ 480 31.47 59.94 25.175
IBM 640 ⳯ 480 31.47 60 25.175
MAC 640 ⳯ 480 31.47 60 25.175
MAC 640 ⳯ 480 34.97 66.67 31.334
MAC 640 ⳯ 480 35 66.67 30.24
VESA 640 ⳯ 480 37.86 72.81 31.5
VESA 640 ⳯ 480 37.5 75 31.5
IBM 640 ⳯ 480 39.375 75 31.49
VESA 640 ⳯ 480 43.269 85.01 36
IBM 720 ⳯ 350 31.469 70.09 28.322
VESA 720 ⳯ 400 37.927 85.04 35.5
IBM 720 ⳯ 350 39.44 87.85 35.5
IBM 720 ⳯ 400 39.44 87.85 35.5
VESA 800 ⳯ 600 35.16 56.25 36
VESA 800 ⳯ 600 37.879 60.32 40
VESA 800 ⳯ 600 48.077 72.19 50
VESA 800 ⳯ 600 46.88 75 49.5
VESA 800 ⳯ 600 53.674 85.06 56.25
MAC 832 ⳯ 624 49.725 74.55 57.283
VESA 1024 ⳯ 768 35.5 43 Interlaced 44.9
VESA 1024 ⳯ 768 48.363 60 65
VESA 1024 ⳯ 768 56.476 70.07 75
MAC 1024 ⳯ 768 60.241 74.93 80
VESA 1024 ⳯ 768 60.023 75.03 78.75

VESA 1024 ⳯ 768 68.677 85 94.5
# VESA 1152 ⳯ 864 67.5 75 108
#MAC 1152 ⳯ 870 68.681 75.06 100
# SUN 1152 ⳯ 900 61.796 65.95 92.94
# SGI 1152 ⳯ 900 71.736 76.05 105.6
# VESA 1280 ⳯ 960 60 60 108
# VESA 1280 ⳯ 1024 63.981 60.02 108
#MAC 1280 ⳯ 1024 69.89 65.2 118.5
#HP 1280 ⳯ 1024 78.125 72.01 135
# SUN 1280 ⳯ 1024 81.13 76.11 135
# VESA 1280 ⳯ 1024 79.976 75.03 135
# VESA 1280 ⳯ 1024 91.146 85.02 157.5
#

HDTV

(1080i)(1125i)

1920 ⳯ 1080 33.75 60 Interlace 74.25

#

HDTV

(1080i)(1125i)

1920 ⳯ 1080 28.13 50 Interlace 74.25

#

HDTV (720p)(750p)

1280 ⳯ 720 45 60 Progressive 74.25

SDTV (480p)(525p)

– 31.47 59.94 Progressive 27
# VESA 1600 ⳯ 1200 75.0 60 162
# VESA 1600 ⳯ 1200 81.3 65 175.5
# VESA 1600 ⳯ 1200 87.5 70 189
# VESA 1600 ⳯ 1200 93.75 75 202.5

DVD YCbCr – 15.734 59.94 Interlaced –
DVD YCbCr – 15.625 50 Interlaced –

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 for long cable runs.

 PC Control Codes and Cable Connection

PC Control Codes

Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPUTER 2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
ON SCREEN MUTE ON 02H 14H 00H 00H 00H 16H
ON SCREEN MUTE OFF 02H 15H 00H 00H 00H 17H
ASPECT RATIO (4:3 Screen)

4:3 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H
Letterbox 03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H
Widescreen 03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H
Crop 03H 10H 00H 00H 05H 18H 00H 00H 03H 00H 33H

ASPECT RATIO (16:9 Screen)

4:3 Window 03H 10H 00H 00H 05H 18H 00H 00H 00H 00H 30H
Letterbox 03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H
Widescreen 03H 10H 00H 00H 05H 18H 00H 00H 02H 00H 32H
4:3 Fill 03H 10H 00H 00H 05H 18H 00H 00H 04H 00H 34H

AUTO ADJUST 02H 0FH 00H 00H 02H 05H 00H 18H

NOTE: Contact your local dealer for a full list of PC Control Codes if needed.

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

왗 .......................... Returns to the previous

왘 .......................... Advances to the next

OK ......................... Executes the selection

Cancel ................... Cancels the selection

NOTE: You can drag the Software keyboard on the screen by clicking and holding any part on the keyboard except buttons.

NOTE1: Pins 2, 3, 5, 6 and 8 are used inside the projector.

NOTE 2: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.

PC Control Connector (DIN-8P)

12

54 3

6

7

8

To RxD of PC

To TxD of PC

To GND of PC

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 ex­ternal display. Usually, the combination of the “Fn” key along
with one of the 12 function keys turns the external display
on or off.

No image (blue background, logo, no display).
Still no image even though you press the AUTO ADJUST but-

ton.
Still no image even though you carry out “Reset” in the

projector’s menu.
Signal cable's plug is fully inserted into the input connector
A message appears on the screen.

( _____________________________________________ )
The source connected to the projector is active and available.
Still no image even though you adjust the brightness and/or

the contrast.
Input source's resolution and frequency are supported by the

projector.

쐊 Troubleshooting Check List

Before contacting your dealer or service personnel, check the following list to be sure repairs are needed also by
referring to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem
more efficiently.
* Print the following pages.

Frequency of occurrence 䡺 always 䡺 sometimes (How often?_____________________) 䡺 other (__________________)
Power

No power (POWER indicator does not light green) See also “Sta­tus Indicator (STATUS)”.

Power cable's plug is fully inserted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
Lamp Hour Meter (lamp operation hours) was cleared after

lamp replacement.
No power even though you press and hold the POWER button

for a minimum of 2 seconds.

Shut down during operation.

Power cable's plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
Power Management is turned off (only models with the Power

Management function).
Sleep Timer is turned off (only models with the Sleep Timer

function ).

Video and Audio

Image is too dark.

Remains unchanged even though you adjust the brightness
and/or the contrast.

Image is distorted.

Image appears to be trapezoidal (unchanged even though you
carry out the “Keystone" or “3D Reform” adjustment).

Parts of the image are lost.

Still unchanged even though you press the AUTO ADJUST but­ton.

Still unchanged even though you carry out “Reset” in the
projector’s menu.

Image is shifted in the vertical or horizontal direction.

Horizontal and vertical positions are correctly adjusted on a
computer signal.

Input source's resolution and frequency are supported by the
projector.

Some pixels are lost.

Image is flickering.

Still unchanged even though you press the AUTO ADJUST but­ton.

Still unchanged even though you carry out “Reset” in the
projector’s menu.

Image shows flickering or color drift on a computer signal.

Image appears blurry or out of focus.

Still unchanged even though you checked the signal’s resolu­tion on PC and changed it to projector’s native resolution.

Still unchanged even though you adjusted the focus.

No sound.

Audio cable is correctly connected to the audio input of the
projector.

Still unchanged even though you adjusted the volume level.
AUDIO OUT is connected to your audio equipment (only mod-

els with the AUDIO OUT connector).

Other

Remote control does not work.

No obstacles between the sensor of the projector and the re­mote control.

Projector is placed near a fluorescent light that can disturb the
infrared remote controls.

One or more remote sensors are enabled (only models with
the Remote Sensor Selection function).

Batteries are new and are not reversed in installation.
If present on the remote control, projector selector switch is

not used.

Buttons on the projector cabinet do not work ( only models with
the Key Lock function).

Cabinet Button Lock is not turned on or is disabled in the menu.
Still unchanged even though you press and hold the EXIT but-

ton for a minimum of 10 seconds.

8. Appendix

134

In the space below please describe your problem in detail.

Information on application and environment where your projector is used

Projector

Model number:
Serial No.:
Date of purchase:
Lamp operating time (hours):
Lamp Mode: 䡺 Normal 䡺 Eco
Information on input signal:

Horizontal synch frequency [ ] kHz
Vertical synch frequency [ ] Hz
Synch polarity H 䡺 (+) 䡺 (–)

V 䡺 (+) 䡺 (–)

Synch type 䡺 Separate 䡺 Composite

䡺 Sync on Green

STATUS Indicator:

Steady light 䡺 Orange 䡺 Green
Flashing light [ ] cycles

Remote control model number:

Signal cable

standard or other manufacturer’s cable?

Model number: Length: inch/m

Distribution amplifier

Model number:

Switcher

Model number:

Adapter

Model number:

Projector

PC

DVD player

Installation environment

Screen size: inch
Screen type: 䡺 White matte 䡺 Beads 䡺 Polarization

䡺 Wide angle 䡺 High contrast
Throw distance: feet/inch/m
Orientation: 䡺 Ceiling mount 䡺 Desktop
Power outlet connection:

䡺 Connected directly to wall outlet
䡺 Connected to power cord extender or other (the num-

ber of connected equipment______________)

䡺 Connected to a power cord reel or other (the number

of connected equipment______________)

Computer

Manufacturer:

Model number:

Notebook PC 䡺 / Desktop 䡺

Native resolution:

Refresh rate:

Video adapter:

Other:

Video equipment

VCR, DVD player, Video camera, Video game or other

Manufacturer:

Model number:

8. Appendix

2900 Dukane Drive
St. Charles, Illinois 60174
www.dukcorp.com/av

Toll-free: 800-676-2487
Fax: [phone]
e-mail: [e-mail]

Audio Visual Products

#401-8761A-00