Dukane Imagepro 8755n Projector Users Manual

							1
Projector
User's Manual (detailed)  
Operating Guide
Thank you for purchasing this projector.►Before using this product, please read all manuals for this 
product. Be sure to read Safety Guide first. After reading them, store them in a 
safe place for future reference. WARNING
• The information in this manual is subject to change without notice.
• The illustrations in this manual are for illustrative purposes. They may differ 
slightly from your projector.
• The manufacturer assumes no responsibility for any errors that may appear in 
this manual.
• The reproduction, transfer or copy of all or any part of this document is not 
permitted without express written consent. NOTE
Trademark acknowledgment
Various symbols are used in this manual. The meanings of these symbols are 
described below. 
About this manual
WARNING
CAUTION
This symbol indicates information that, if ignored, could possibly 
result in personal injury or even death due to incorrect handling.
This symbol indicates information that, if ignored, could possibly 
result in personal injury or physical damage due to incorrect 
handling.
Please refer to the pages written following this symbol.

•  Mac® is a registered trademark of Apple Inc.
• 
 Windows®, DirectDraw® and Direct3D® are registered trademarks of Microsoft Corporation 
in the U.S. and/or other countries.
• 
 VESA and DDC are trademarks of the Video Electronics Standard Association.
• 
 HDMI, the HDMI logo, and High-Definition Multimedia Interface are trademarks or registered 
trademarks of HDMI Licensing LLC in the United States and other countries.
•  Blu-ray DiscTM and Blu-rayTM are trademarks of Blu-ray Disc  
Association.
All other trademarks are the properties of their respective owners.
NOTICE This entry notices of fear of causing trouble.
8755N/8928/8929W 
8930/8931W/8937N
430-8755N- 89XX-User Guide Detailed-00 
						

							2
Contents
Introduction  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .3
Features  . . . . . . . . . . . . . . . . . . . . . . 3
Checking the contents of package ...3
Part names  . . . . . . . . . . . . . . . . . . . . 4
Setting up   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .7
Arrangement  ................... 7
Connecting with your devices .....10
Connecting to a power supply .....16
Fastening the adapter cover  ......17
Using the security bar and slot  . . . .17
Remote control   . . . . . . . . . . . .18
Installing the batteries  ...........18
About the remote control signal  . . .19
Changing the frequency of remote 
control signal  .................. 19
Using as a simple PC mouse & keyboard . .20
Power on/off   .  .  .  .  .  .  .  .  .  .  .  .  .  .21
Turning on the power  . . . . . . . . . . .21
Turning off the power  . . . . . . . . . . .22
Operating   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .23
Adjusting the volume  ............23
Temporarily muting the sound  .....23
Selecting an input signal  .........24
Searching an input signal  . . . . . . . .25
Selecting an aspect ratio  .........26
Adjusting the projector's elevator  . .27
Adjusting the zoom and focus  .....27
Using the automatic adjustment feature ...28
Adjusting the position  . . . . . . . . . . .28
Correcting the keystone distortions . .29
Using the magnify feature  ........30
Temporarily freezing the screen  . . .31
Temporarily blanking the screen   . .31
Using the menu function   . . . . . . . .32
EASY MENU .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 34
As p e c t, Au t o k e y s t o n e,  ke y s t o n e, pi c t u r e m o d e, ec o m o d e, in s tAl l At i o n, 
re s e t, Fi l t e r t i m e, lA n g u Ag e,  
Ad v An c e d m e n u, ex i t
PICTURE menu   .  .  .  .  .  .  .  .  .  .  . .36
Br i g h t n e s s, co n t r As t, gAm m A, co l o r t e m p,  co l o r, ti n t, shAr p n e s s,  Ac t i v e i r i s, my m e m o r y
IMAGE menu   .  .  .  .  .  .  .  .  .  .  .  .  .  .39
As p e c t, ov e r s c An, v p o s i t i o n, h p o s i t i o n,  
h p h As e, h s i z e, Au t o Ad j u s t e x e c u t e
INPUT menu   .  .  .  .  .  .  .  .  .  .  .  .  .  .42
pr o g r e s s i v e, vi d e o n r, co l o r s p Ac e,  
vi d e o F o r m At, hd m i F o r m At, hd m i r An g e, 
co m p u t e r i n, Fr Am e l o c k, re s o l u t i o n

SETUP menu   . . . . . . . . . . . . .  .46
Au t o k e y s t o n e,  ke y s t o n e,  Au t o e c o m o d e,  
ec o m o d e, in s t Al l At i o n, stA n d By m o d e, 
mo n i t o r o u t
AUDIO menu   .  .  .  .  .  .  .  .  .  .  .  .  .  .49
vo l u m e, sp e Ak e r, Au d i o s o u r c e, 
mi c l e v e l, mi c v o l u m e
SCREEN menu   . . . . . . . . . . . . . 50
lAn g u Ag e, me n u p o s i t i o n, BlA n k,  
st A r t u p, MyScreen, MyScreen Lock,  
me s s Ag e, so u r c e n Am e, te m p l At e, c.c.
OPTION menu   .  .  .  .  .  .  .  .  .  .  .  .  .56
Au t o s e Ar c h, Au t o k e y s t o n e, 
di r e c t p o w e r o n, Au t o p o w e r o F F, 
lA m p t i m e, Fi l t e r t i m e, my Bu t t o n, 
my s o u r c e, se r v i c e
NETWORK menu   . . . . . . . . . . .67
wi r e l e s s s e t u p, wi r e l e s s i n Fo r m At i o n, 
wi r e d s e t u p, wi r e d i n Fo r m At i o n, 
pr o j e c t o r n Am e, my i m Ag e, Am x d.d., 
pr e s e n t At i o n, se r v i c e
SECURITY menu   . . . . . . . . . .  .78
se c u r i t y p A s s w o r d c h An g e,  
MyScreen pA s s w o r d, pi n l o c k,  
tr An s i t i o n d e t e c t o r, my t e x t pA s s w o r d,  
my t e x t d i s p l Ay, my t e x t w r i t i n g,  
cl o n i n g l o c k
Presentation tools   .  .  .  .  .  .  .  . .84
PC-LESS Presentation
 ........... 84
Drawing Function . . . . . . . . . . . . . . . .94
USB Display(Windows computer) . . . . .100
USB Display(Mac computer) .......104
Maintenance   . . . . . . . . . . . .  .108
Replacing the lamp  ............108
Cleaning and replacing the air filter  .110Other care ................... 112
Troubleshooting   .  .  .  .  .  .  .  .  . .113
Related messages  . . . . . . . . . . . .113
Regarding the indicator lamps  . . .115
Resetting all settings  ...........118
Phenomena that may be easy  to be mistaken for machine defects . .118
Specifications   . . . . . . . . . . . .123
 
						

							3
Introduction
Introduction
• Keep the original packing materials, for future reshipment. Be sure 
to use the original packing materials when moving the projector. Use special 
caution for the lens.
• The projector may make a rattling sound when tilted, moved or shaken, since 
a flap to control the air flow inside of the projector has moved. Be aware that 
this is not a failure or malfunction. NOTE
The projector provides you with the broad use by the following features.
Checking the contents of  package
ü   
  This projector has a variety of I/O ports that supposedly cover for any 
business scene. The HDMI port can support various image equipment which 
have digital interface to get clearer pictures on a screen.
ü     If you insert a USB storage device, such as a USB memory, into the USB 
TYPE A port and select the port as the input source, you can view images 
stored in the device. 
ü      This projector can be controlled and monitored via LAN connection. 
Furthermore, you can use the designated USB wireless adapter (optional) to 
establish wireless LAN connection.
ü      The double layer filter system is expected to function longer and of fers 
youless maintenance frequency.
ü     
 
The built-in 16W speaker can deliver sufficient sound volume in a large space 
like a classroom without external speakers.  
Please see the  Contents of package section in the User’s Manual (concise) 
which is a book. Your projector should come with the items shown there. Require 
of your dealer immediately if any items are missing.
Features
►Keep small parts away from children and pets. Take care 
not to put in the mouth. If swallowed, consult a physician immediately for 
emergency treatment. WARNING
Note: The Dukane models described in the document are manufactured by Hitachi and 
use the same firmware and software programs. The equivalent Dukane to Hitachi models 
are 8970 (CP-X8150), 8971(CP-X8160), 8972W (CP-WX8240), 8973W (CP-W\
X8255), 
8974WU (CP-WU8440), 8975WU (CP-WU8450), 8976SX (CP-SX8350). 
						

							4
Introduction
►Do not open or remove any portion of the product, unless the 
manuals direct it.
►Do not subject the projector to unstable conditions.
►Do not apply a shock or pressure to this product.
►Do not look into the lens and the openings on the projector while the lamp is 
on. WARNING
►Do not touch around the lamp cover and the exhaust 
vents during use or just after use, since it is too hot.
►Do not attach anything onto the lens except the lens cover of this 
projector because it could damage the lens, such as melting the lens.  CAUTION
(continued on next page)
Part names
(1) Lamp cover (108)
The lamp unit is inside. 
(2) Speaker (
23, 49)
(3) Filter cover (
110)
The air filter and intake vent are inside.
(4) Elevator feet (x2) (
27)
(5) Elevator buttons (x2) (
27)
(6) Remote sensor (
19)
(7) Lens (
112)
(8) Lens cover
(9) Intake vents
(10) Control panel (
5)
(11) FOCUS ring (
27)
(12) ZOOM ring (
27)
(13) AC IN (AC inlet) (
16)
(14) Exhaust vent
(15) Rear panel (
5)
(8)
(9)
(4) (7)(3) (4)(5)
(6) (2)
(13)
(14)
(15)
(10)
(1)
(11)(12)
(5) 
						

							5
Introduction
Part names (continued)
Control panel 
(1) STANDBY/ON button (
21)
(2) INPUT button (
24)
(3) MENU button (
32) 
(4) LAMP indicator (
115)
(5) TEMP indicator (
115) 
(6) POWER indicator (
115)
Rear panel  (
10 ~ 15)
(1) LAN port
(2) USB TYPE A port(x2)
(3) USB TYPE B port
(4) HDMI port
(5) MIC port (
15)
(6) AUDIO IN1 port
(7) AUDIO IN2 port
(8) AUDIO IN3 (R,L) ports
(9) AUDIO OUT (R,L) ports
(10) COMPUTER IN1 port  (11) COMPUTER IN2 port
(12) MONITOR OUT port 
(13) CONTROL port 
(14) VIDEO port
(15) S-VIDEO port
(16) Security slot (
17)
(17) Security bar (
17)
(continued on next page)
(1) (3)
(2) (6) (4)(5)
AUDIO IN
1
2
3AUDIO OUT
(11)(10)(4)(3)(2)(5)
(8)
(16)
(7)(9) (14)(13)(12)
(1)
(15)(6)
(17) 
						

							6
Introduction
Part names (continued)
Remote control 
(1) VIDEO button (
24) 
(2) COMPUTER button (
24)
(3) SEARCH  button (
25)
(4) STANDBY/ON button (
21)
(5) ASPECT button (
26)
(6) AUTO button (
28)
(7) BLANK button (
31)
(8) MAGNIFY - ON button (
30)
(9) MAGNIFY - OFF  button (
30)
(10) MY SOURCE/DOC.CAMERA  button  
(
25, 59)
(11) VOLUME - button (
23)
(12) PAGE UP button (
20)
(13) PAGE DOWN button (
20)
(14) VOLUME + button (
23)
(15) MUTE button (
23)
(16) FREEZE button (
31)
(17) MY BUTTON - 1 button (
58, 59)
(18) MY BUTTON - 2 button (
58, 59)
(19) KEYSTONE button (
29)
(20) POSITION  button (
28, 32)
(21) MENU button (
32)
(22) ▲/▼/◄/► cursor buttons (
32)
(23) ENTER button (
32) 
(24) ESC button (
32)
(25) RESET button (
32)
(26) Battery cover (
18)
Back of                           
the remote control
(2)
(1)
(6)
(5)
(16)
(8)
(9)
(19)
(17)
(20)
(22)
(24)
(10)
(4)
(3)
(7)
(12)
(14)
(11)
(13)
(15)
(18)
(21)
(23)
(25)
(26)
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
o
9×VOLUME
 
ENTER 
						

							7
Setting up
Setting up
Install the projector according to the environment and manner the projector will be 
used in.
For the case of installation in a special state such as ceiling mount, the specified 
mounting accessories (
Specifications in the User’s Manual (concise)) and 
service may be required. Before installing the projector, consult your dealer about 
your installation. 
Arrangement
Refer to tables T-1,T-2 and T-3 at the back of User's Manual (concise) as well as 
the following to determine the screen size and projection distance.
The values shown in the table are calculated for a full size screen.
(continued on next page)
•  
If the projector is used at an altitude of about 1600 m (5250 feet) or higher , 
set ALTITUDE of the SERVICE item in the OPTION menu to HIGH  (
59). 
Otherwise, set it to NORMAL. If the projector is used with a wrong setting, it may 
cause damage to the projector itself or the parts inside.
 a  Screen size (diagonal) 
 b  Projection distance (±10%, from the projector’s end)
c1 , c2  Screen height (±10%) 
						

							8
Setting up
Arrangement (continued)
WARNING
(continued on next page)►Install the projector where you can access the power 
outlet easily. If an abnormality should occur, unplug the projector urgently. 
Otherwise it could cause a fire or electric shock.
►Do not subject the projector to unstable conditions.  If the projector falls 
or topples over, it could result in injury or damage to the projector and the 
surrounding things. Using a damaged projector could result in a fire and an 
electric shock.
•   Do not place the projector in unstable places, such as an inclined surface, 
places subject to vibration, on top of a wobbly table or cart, or a surface that is 
smaller than the projector.
•   Do not put the projector on its side, front or rear position.
•   Do not attach nor place anything on the projector unless otherwise specified in 
the manual.
•   Do not use any mounting accessories except the accessories specified by the 
manufacturer. Read and keep the manuals of the accessories used.
•   For special installation such as ceiling mounting, be sure to consult your dealer 
beforehand.
►
Do not install the projector near thermally conductive or flammable 
things. Such things when heated by the projector could result in a fire and burns.
•   Do not place the projector on a metal stand.
►Do not place the projector where any oils, such as cooking or machine 
oil, are used.  Oil may harm the product, resulting in malfunction, or falling from 
the mounted position.
►Do not place the projector in a place where it may get wet.  Getting the 
projector wet or inserting liquid into the projector could cause a fire and an 
electric shock, and damage the projector.
•   Do not place the projector near water, such as in a bathroom, kitchen, or 
poolside.
•   Do not place the projector outdoors or by the window.
•   Do not place anything containing liquid near the projector. 
						

							9
Setting up
Arrangement (continued)
►Place the projector in a cool place with sufficient 
ventilation.  The projector may shutdown automatically or may malfunction if its 
internal temperature is too high.
Using a damaged projector could result in a fire and an electric shock.
•   Do not place the projector in direct sunlight or near hot objects such as heaters. 
•   Do not place the projector where the air from an air conditioner or similar unit 
will blow on it directly.
•   Keep a space of 30 cm or more between a side of the projector and other 
objects such as walls.
•   Do not place the projector on carpet, cushions or bedding.
•   Do not stop up, block nor cover the projector's vent holes. Do not place 
anything around the projector that could be sucked in or stuck to the projector's 
intake vents.
•   Do not place the projector at places that are exposed to magnetic fields, doing 
so can cause the cooling fans inside the projector to malfunction.
►Avoid placing the projector in smoky, humid or dusty place.  Placing the 
projector in such places could cause a fire, an electric shock and malfunction of 
the projector.
•   Do not place the projector near humidifiers. Especially for an ultrasonic 
humidifier, chlorine and minerals contained in tap water are atomized and could 
be deposited in the projector causing image degradation or other problems.
•  Do not place the projector in a smoking area, kitchen, passageway 
or by the window.
• Position the projector to prevent light from directly hitting the projector's remote 
sensor.
• Do not place the product in a place where radio interference may be caused.
• Check and correct the setting for ALTITUDE of SERVICE in the OPTION menu 
according to the usage environment  (
59). If the projector is used with a wrong 
setting, it may cause damage to the projector itself or the parts inside.
• Keep heat-sensitive things away from the projector. Otherwise, they may be 
damaged by the heat from the projector. CAUTION
NOTICE 
						

							10
Setting up
Connecting with your devices
Before connecting the projector to a device, consult the manual of the device to 
confirm that the device is suitable for connecting with this projector and prepare 
the required accessories, such as a cable in accord with the signal of the device. 
Consult your dealer when the required accessory did not come with the product or 
the accessory is damaged.
After making sure that the projector and the devices are turned off, perform 
the connection, according to the following instructions. Refer to the figures in 
subsequent pages.
Before connecting the projector to a network system, be sure to read  Network 
Guide  too.
►Use only the appropriate accessories. Otherwise it could 
cause a fire or damage the projector and devices. 
•   Use only the accessories specified or recommended by the projector ’s 
manufacturer. It may be regulated under some standard.
•   Neither disassemble nor modify the projector and the accessories.
•   Do not use the damaged accessory. Be careful not to damage the accessories. 
Route a cable so that it is neither stepped on nor pinched out.WARNING
►For a cable with a core at only one end, connect the end 
with the core to the projector. That may be required by EMI regulations. CAUTION
• Do not turn on or off the projector while connected to a device in 
operation, unless that is directed in the manual of the device. Otherwise it may 
cause malfunction in the device or projector.
• The function of some input ports can be selected according to your usage 
requirements. Check the reference page indicated beside each port in the 
following illustration.
• Be careful not to mistakenly connect a connector to a wrong port. Otherwise it 
may cause malfunction in the device or projector.
-   When connecting a connector to a port, make sure that the shape of the 
connector fits the port.
-   Tighten the screws to connect a connector equipped with screws to a port.
-   Use the cables with straight plugs, not L-shaped ones, as the input ports of 
the projector are recessed.
NOTE
(continued on next page)