Dukane Imagepro 8755n Projector Users Manual

							21
1.Make sure that the power cord is firmly and 
correctly connected to the projector and the 
outlet.
Turning on the power
2.Make sure that the POWER indicator is 
steady orange (
115). Then remove the 
lens cover.
3.Press STANDBY/ON button on the 
projector or the remote control.
The projection lamp will light up and  POWER  
indicator will begin blinking in green. When the  
power is completely on, the indicator will stop blinking and light in steady 
green (
115).
Power on/off
To display the picture, select an input signal according to the section Selecting an 
input signal  (
24).
Power on/off
The INITIAL SETTING Menu will be displayed by factory default upon startup. 
Once the INITIAL SETTING Menu is set, it will not appear until FACTORY RESET 
(
66) is executed. If you wish to change the settings, refer to the LANGUAGE 
(
50) and ALTITUDE (59) menu. 
(1)   LANGUAGE: Use the ▲/▼/◄/► 
buttons to select the desired language 
and press the ENTER button of the 
remote control or the INPUT button of 
the projector to execute.
(2)    ALTITUDE: Use the ▲/▼ buttons to 
select NORMAL for altitude below 
1600 m (5250 feet), otherwise select 
HIGH and press the ENTER button of 
the remote control or the INPUT button 
of the projector to execute.
VIDEODOC.CAMERA
KEYSTONEASPECT
SEARCHBLANK
MUTEMY BUTTONPOSITION ESC MENU
RESET
COMPUTER MY SOURCE/AUTOMAGNIFYPAGEDOWNONOFFFREEZEUPo9×VOLUME ENTER
STANDBY/ON button 
POWER indicator 
						

							22
Power on/off
►A strong light is emitted when the projector’s power is on.  
Do not look into the lens of the projector or look inside of the projector through 
any of the projector’s openings.
►Do not touch around the lamp cover and the exhaust vents during use or just 
after use, since it is too hot. WARNING
1.Press the STANDBY/ON button on the projector or the remote control.  
The message “Power off?” will appear on the screen for about 5 seconds.
Turning off  the power
2.Press the STANDBY/ON button again while the message appears.  
The projector lamp will go off, and the POWER indicator will begin blinking in 
orange. Then POWER indicator will stop blinking and light in steady orange 
when the lamp cooling is complete (
115).
3.Attach the lens cover, after the POWER indicator turns in steady orange.
Do not turn the projector on for about 10 minutes or more after turning it of f. 
Also, do not turn the projector off shortly after turning it on. Such operations might 
cause the lamp to malfunction or shorten the lifetime of some parts including the lamp.
• Turn the power on/off in right order. Please power on the projector 
prior to the connected devices. 
• This projector has the function that can make the projector automatically turn 
on/off. Please refer to the DIRECT POWER ON (
56) and AUTO POWER 
OFF (
57) items of the OPTION menu. 
NOTE 
						

							23
Operating
1.
Adjusting the volume
Use the VOLUME +/VOLUME - buttons to adjust the volume.
A dialog will appear on the screen to aid you in adjusting the 
volume. If you do not do anything, the dialog will automatically 
disappear after a few seconds.
●  When 
 is selected for current picture input port, the volume 
adjustment is disabled. Please see AUDIO SOURCE item of AUDIO menu 
(
49).
●  Even if the projector is in the standby mode, the volume is adjustable when 
both of the following conditions are true:-  An option other than 
 is selected for STANDBY in the AUDIO SOURCE 
item of the AUDIO menu  (
49).
- 
NORMAL is selected in the STANDBY MODE item of the SETUP menu ( 48).
●   In the standby mode, the volume of the microphone is adjustable with the 
VOLUME +/- buttons on the remote control, in synchronization with the volume 
of the projector. 
1.Press MUTE button on the remote control. 
A dialog will appear on the screen indicating that you have muted 
the sound. 
To restore the sound, press the  MUTE, VOLUME + or 
VOLUME - button. Even if you do not do anything, the dialog 
will automatically disappear after a few seconds.
Temporarily muting the sound
●  When  is selected for current picture input port, the sound is always muted. 
Please see AUDIO SOURCE item of AUDIO menu (
49).
●  C.C. (Closed Caption) is automatically activated when sound is muted and an 
input signal containing C.C. is received. This function is available only when 
the signal is NTSC for VIDEO or S-VIDEO, or 480i@60 for COMPUTER IN1 
or COMPUTER IN2, and when AUTO is selected for DISPLAY in the C.C. 
menu under the SCREEN menu (
55).
VOLUME +/- button
MUTE button
VIDEODOC.CAMERA
KEYSTONE
ASPECT SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
Operating 
						

							24
1.Press INPUT button on the projector. 
Each time you press the button, the projector switches its 
input port from the current port as below.
Selecting an input signal
●  While ON is selected for AUTO SEARCH item in OPTION menu (56), the 
projector will keep checking the ports in above order repeatedly till an input 
signal is detected.
● It may take several seconds to project the images from the USB TYPE B port.
               COMPUTER IN1  COMPUTER IN2  LAN 
    VIDEO                                                            USB  TYPE A
    S-VIDEO                                                        USB  TYPE B
                
                           HDMI  
1.Press VIDEO button on the remote control. 
Each time you press the button, the projector switches its 
input port from the current port as below.
●  While ON is selected for AUTO SEARCH item in OPTION menu,  the projector will keep checking every port sequentially till an input signal 
is detected (
56). If  VIDEO button is pressed when  COMPUTER IN1, 
COMPUTER IN2, LAN, USB TYPE A or USB TYPE B port is selected, the 
projector will check  HDMI port fi rst.
VIDEO button
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
1.Press COMPUTER button on the remote control. 
Each time you press the button, the projector switches its 
input port from the current port as below.
●  While ON is selected for AUTO SEARCH item in OPTION menu, the 
projector will keep checking every port sequentially till an input signal is detected 
(
56). If COMPUTER button is pressed when VIDEO, S-VIDEO or HDMI port is 
selected, the projector will check COMPUTER IN1 port fi rst.
●   It may take several seconds to project the images from the USB TYPE B port.
COMPUTER button
VIDEODOC.CAMERA
KEYSTONE
ASPECT SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
         COMPUTER IN1  COMPUTER IN2  LAN
               USB TYPE B        USB TYPE A
        HDMI 
 S-VIDEO  VIDEO
Operating
INPUT 
button 
						

							25
VIDEODOC.CAMERA
KEYSTONE
ASPECTSEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
MY SOURCE / 
DOC. CAMERA button
1.Press the MY SOURCE / DOC. CAMERA button on 
the remote control. The input signal will be changed 
into the signal you set as MY SOURCE (
59).
●  This function also can use for document camera. Select the  input port that connected the document camera.
Operating
1.Press SEARCH  button on the remote control.
The projector will start to check its input ports as below in 
order to fi nd any input signals.
When input signal is detected, the projector will stop 
searching and display the image. If no signal is found, 
the projector will return to the state selected before the 
operation.
Searching an input signal
●  While ON is selected for AUTO SEARCH item in OPTION menu (56), the 
projector will keep checking the ports in above order repeatedly till an input 
signal is detected.
●  
It may take several seconds to project the images from the USB TYPE B port.
SEARCH  button
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
               COMPUTER IN1  COMPUTER IN2  LAN 
    VIDEO                                                            USB  TYPE A
    S-VIDEO                                                        USB  TYPE B
                
                           HDMI  
Selecting an input signal(continued) 
						

							26
Operating
Selecting an aspect ratio
● ASPECT button does not work when no proper signal is inputted.
● NORMAL mode keeps the original aspect ratio setting.
●  The display will be dark for a split second while switching the Aspect, but this is not a malfunction.
  For a computer signal
8755N/8928/8931W/8937:
NORMAL  
  
4:3  
  
16:9  
  
16:10
       
8928/8930 : 
NORMAL  
  
4:3  
  
16:9  
  
16:10  
  NATIVE
   For a video signal, s-video signal or component video signal
8755N/8928/8930/8937:
 4:3  
  
16:9  
  
14:9
  
8929W/8931W : 
4:3  
  
16:9  
  16:10 
 
14:9  
  NATIVE
  For an input signal from the LAN, USB TYPE A or USB TYPE B port, or  if there is no signal 
8755N/8928/8930/8937: 4:3 (fi xed)
8929W/8931W : 16:10 (fi xed)
1.Press ASPECT button on the remote control.  
Each time you press the button, the projector switches the 
mode for aspect ratio in turn. ASPECT button
  For an HDMITM signal
8755N/8929/8931W/8937:
 NORMAL  
  
4:3  
  
16:9  
  
16:10  
  
14:9
8928/8930 : 
NORMAL  
  
4:3  
  
16:9  
  
16:10  
  
14:9  
  NATIVE
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER 
						

							27
Operating
Adjusting the projector’s elevator
When the place to put the projector is slightly uneven 
to the left or right, use the elevator feet to place the 
projector horizontally. 
Using the feet can also tilt the projector in order to 
project at a suitable angle to the screen, elevating the 
front side of the projector within 14 degrees.
This projector has 2 elevator feet and 2 elevator buttons. 
An elevator foot is adjustable while pushing the elevator 
button on the same side as it.
1. 
Holding the projector, push the elevator buttons to 
loose the elevator feet.
2. 
Position the front side of the projector to the desired 
height.
3. 
Release the elevator buttons in order to lock the 
elevator feet.
4. 
After making sure that the elevator feet are locked, 
put the projector down gently.
5. 
If necessary, the elevator feet can be manually   
twisted to make more precise adjustments. Hold the 
projector when twisting the feet.
►Do not handle the elevator buttons without holding the 
projector, since the projector may drop down.
►Do not tilt the projector other than elevating its front within 14 degrees using 
the adjuster feet. A tilt of the projector exceeding the restriction could cause 
malfunction or shortening the lifetime of consumables, or the projector itself. CAUTION
FOCUS ring ZOOM ring1.Use the ZOOM ring to adjust the screen size.
2.Use the FOCUS ring to focus the picture.
Adjusting the zoom and focus
14°
To loose an 
elevator foot, push 
the elevator button 
on the same side 
as it.
To finely 
adjust, twist 
the foot. 
						

							28
Operating
1.Press POSITION button on the remote control when no menu is 
indicated.
The “POSITION” indication will appear on the screen.
Adjusting the position
2.Use the ▲/▼/◄/► cursor buttons to adjust the picture position.
When you want to reset the operation, press  RESET button on 
the remote control during the operation.
To complete this operation, press POSITION  button again. Even if 
you do not do anything, the dialog will automatically disappear 
after a few seconds.
●  
When this function is performed on a video signal or an s-video signal, some image 
such as an extra-line may appear at outside of the picture.
●  When this function is performed on a video signal or s-video signal, the range of  this adjustment depends on OVER SCAN in IMAGE menu  (
40) setting. It is not 
possible to adjust when OVER SCAN is set to 10.
●  If  POSITION button is pressed when a menu is indicated on screen, the displayed 
picture does not move its position but the menu does.
●  This function is unavailable for a signal from the  LAN, USB TYPE A, USB TYPE B 
or HDMI port.
1.Press AUTO button on the remote control. 
Pressing this button performs the following.
Using the automatic adjustment feature
   For a computer signal
The vertical position, the horizontal position and the horizontal 
phase will be automatically adjusted. 
Make sure that the application window is set to its maximum size 
prior to attempting to use this feature. A dark picture may still be 
incorrectly adjusted. Use a bright picture when adjusting.
   For a video signal and s-video signal
The video format best suited for the respective input signal will be selected 
automatically. This function is available only when the AUTO is selected for 
the VIDEO FORMAT item in the INPUT menu (
43). The vertical position and 
horizontal position will be automatically set to the default.
●  The automatic adjustment operation requires approx. 10 seconds. Also please 
note that it may not function correctly with some input. 
●  When this function is performed for a video signal, a certain extra such as a line  may appear outside a picture.
●  When this function is performed for a computer signal, a black frame may be  displayed on the edge of the screen, depending on the computer model. 
●  
The items adjusted by this function may vary when the FINE or DISABLE is selected 
for the AUTO ADJUST item of the SERVICE item in the OPTION menu (
60).
POSITION  button
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
AUTO button
  
For a component video signal 
The vertical position and horizontal position will be automatically set to the default. 
The horizontal phase will be automatically adjusted.
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER 
						

							29
Operating
1.Press KEYSTONE button on the remote 
control. A dialog will appear on the screen 
to aid you in correcting the distortion.
Correcting the keystone distortions
2.Use the ▲/▼ cursor buttons to select AUTO or MANUAL 
operation, and press the ► button to perform the following.
(1)  AUTO executes automatic vertical keystone correction. 
(2)  MANUAL displays a dialog for keystone correction. Use the ◄/► buttons for adjustment.
To close the dialog and complete this operation, press 
KEYSTONE button again. Even if you do not do anything, the 
dialog will automatically disappear after a few seconds.
●  The menu or dialog will automatically disappear after several seconds of inactivity. Pressing the KEYSTONE button again fi nishes the operation and 
closes the menu or dialog.
●  The adjustable range of this function will vary among inputs. For some input,  this function may not work well.
●  When REAR / CEILING or FRONT / CEILING is selected for the  INSTALLATION item in the SETUP menu, the automatic vertical keystone 
correction function may not work correctly if the projector screen is slanted or 
tilted downwards.
●  When the zoom adjustment is set to the TELE (telephoto focus), this function  may be excessive. This function should be used when the zoom adjustment 
is set to the full WIDE (wide-angle focus) whenever possible.
●  When the projector is placed on the level (about ±4°), the automatic keystone  distortion correction may not work.
●  When the projector is inclined to near ±30 degree or over, this function may  not work well.
●  This function will be unavailable when the TRANSITION DETECTOR is on 
(
81).
●  The display will be dark for a split second while switching the KEYSTONE, 
but this is not a malfunction.
KEYSTONE button
VIDEODOC.CAMERA
KEYSTONE
ASPECT SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER 
						

							30
Operating
1.
Using the magnify feature
2.
MAGNIFY
ON/OFF button
VIDEODOC.CAMERA
KEYSTONE
ASPECT
SEARCHBLANK
MUTE
MY BUTTON
POSITION ESC MENU
RESET
COMPUTER MY SOURCE/
AUTOMAGNIFYPAGE
DOWN
ON
OFF
FREEZEUP
ー
＋VOLUME
1 2
ENTER
3.
4.
Press the MAGNIFY ON button on the remote control. 
The picture will be magnifi ed, and the MAGNIFY dialog 
will appear on the screen. When the 
MAGNIFY 
ON button is pressed for the fi rst time after the 
projector is turned on, the picture will be zoomed 
by 1.5 times. On the dialog, triangle marks to show 
each direction will be displayed.
The display magnifi cation of the projector switches in order with every press 
of the MAGNIFY ON button.
  For computer signals, HDMI
TM (RGB) signals, input signals from the 
LAN, USB TYPE A or USB TYPE B port
 1.5  times  2 times  3 times  4 times  1 time
  For video signals, s-video signals, component video signals or  HDMITM (Component) signals
 1.5  times  2 times  1 time
While the triangles are displayed on the dialog, use the ▲/▼/◄/► cursor
buttons to shift the magnifying area.
Press the MAGNIFY OFF  button on the remote control to exit magnifi cation.
●  The MAGNIFY dialog will automatically disappear in several seconds with no 
operation. The dialog will appear again if the  MAGNIFY ON button is pressed 
when the dialog has automatically disappeared.
●  The magnifi cation is automatically disabled when the displaying signal or its  display condition is changed.
●  While the magnifi cation is active, the keystone distortion condition may vary.  It will be restored when the magnifi cation is disabled.
●  Some horizontal stripes might be visible on the image while magnifi cation is  active.
●  This function is not available in the following cases:  -  A sync signal in the range not supported is input.
-  There is no input signal.