Dukane Imagepro 28a7250 Projector Users Manual

English
9
u uu u
uPowering On the Projection Display.
4 44 4
4Switch on the power; then turn on the lamp by pressing “STANDBY”
button.
Press the “ I ” sign of the power switch to turn on the projection display.  After a
few seconds, press the “Power on/Standby” button to power on the projection
lamp.  At this time, the “Power on/Standby” indicator (the Green Light, see follow-
ing  figure) will be illuminated.
*If you wish to turn off the projection display for a short period of time, press
the “Power...

English
10
qPositioning the projection display
(projection distance and image size)
qSlide the lens latch and pop up the projection lens.  Switch on the power and
press the “Power on/Standby” button.  See “Powering On/Off the Projection
Display” on page 9 for more information.
qAdjusting the screen image.
1. Rotate the projection lens to focus the image.
2. Slide the keystone correction button to adjust image shape.
3. Adjust the elevation:
(1) Pull out the carrying handle.
(2) Lift the projection...

English
11
User Control Overview
There are two ways for you to control the functions: panel control and remote control.
wPanel Control
POWER ON
STANDBYRESET
MENU ENTER
4 Directional  Keys
wRemote Control
Zoom in/Zoom out Source Selection
VolumeEnter/Pointer Power on/Standby
On-Screen Menus Directional Select Keys
FREEZE CURTAIN ON
STANDBY
ZOOM IN ZOOM OUT SOURCE
ENTER
POINTER MENU
MUTE
VOLUME
DRAG
R
L
Freeze
LIGHT
Mouse Left Button Down
Right Mouse Button
/Backlight Function
Left Mouse Button
The...

English
12
wOSD Menus
The OSD (On-Screen Display) menus will allow you to easily adjust the display
functions.  Press the “MENU” button for the OSD menu options.
4When in computer sources,
the OSD will be:
Language
Contrast
Tracking
Frequency
Custom Memory
Audio
Source
Rear Projection
Ceiling Projection
Auto Image
Lamp Reset
Lamp Warning
Exit
4When in video sources,
 the OSD will be:
Language
Contrast/Brightness
Color/Tint
Audio
Source
Rear Projection
Ceiling Projection
Lamp Reset
Lamp Warning
Exit 

English
13
Function Descriptions
4Power On/StandbyPress the “Power On/Standby” button to turn on the
projection lamp.
Press “Menu” button to pop up the OSD menu.
Press “Reset” to return the display parameters of the
current mode to its factory default settings.
“Enter” is used for confirming your selection.
(1) Use 
5or
6 button to select items.  Use 
3or
4 to make
adjustments for your selection.
(2) Use 
5or
6 button to change vertical positioning of the
image; and 
3or
4button to change the horizontal...

English
14
Choose this funtion from OSD menu for a ceiling mounted
projection.
After changing a new lamp, reset the lamp life timer from
OSD menus.
Choose this function to show or hide the warning
message.
Choose “Exit” item to leave OSD menu.
4Exit
4Lamp Warning
4Lamp Reset
4Ceiling Projection
4ContrastPress the “Pointer” button to show a hand shape pointer.
Use
5,
6,
3or
4button to move pointer around the
projected image.
Press the “Freeze” button to still the screen image.
Press “Curtain” button to...

English
15
Choose “Tracking” item to synchronize the signal timing
of the display to that of the graphic card.  When you
experience an unstable or flickering image, use this
function to correct it.
“Frequency” is for changing the display data frequency
to match the frequency of your computer’s graphic card.
When you experience a vertical flickering bar, use this
function to make an adjustment.
This function enables you to save your current settings
for the computer source.  To use this function, first...

English
16
wPresentation Functions -- video source
To adjust the contrast or brightness of the image, select
“Contrast/Brightness” from OSD menus.
To adjust the color or tint of the image, select “Color/
Tint” from OSD menus.
Press the “Freeze” button to still the screen image.4Contrast/Brightness
4Color/Tint
4Freeze 

English
17
Troubleshooting
If you are experiencing trouble with the projection display, refer to the follows.  If the
problem persists, please contact your local dealer or our service center.
Problem: No image appears on screen.

Press “Power on/Standby” button.

Ensure all the cables and power connections are correctly and securely connected
as described in the “Installation” section.

Ensure the pins of connectors are not crooked or broken.

Check if the projection lamp has securely installed.  Please...

English
18

If you are using a Notebook PC:
1. You are required to implement above steps of resolution setting of computer first.
2. Switch the Notebook PC display to the “external display only” or “CRT only”
mode.

If you are using an Apple Macintosh or Apple PowerBook:
1. Insert a Mac signal adapter and change the mode into Macintosh 13” of 640 x
480 resolution.
2. Change the adapter into VGA mode for IBM PC 640 x 480, 800 x 600, or 1024
x 768 display settings.

If you are experiencing difficulty in...