Dukane Imagepro 28a8757 Users Manual

19
Image does not fit 16:9 screenChange aspect ratio to 16:9 in 
Picture>Aspect ratio menuCorrect image
Image upside downTurn off Ceiling in Settings>System menuCorrect image
Image reversed left to right
Turn off Rear in Settings>System menu
Correct image 
A
B
AB
A
AB 

20
Video image “torn” and fragmentedChange Video Standard in 
Picture>Advanced menuCorrect image
Projected colors don’t match sourceAdjust color, tint, color temperature, 
brightness, contrast in the menus
Correct image
Lamp won’t turn on, LED blinking red (page 14)Make sure vents aren’t blocked; allow 
projector to cool for one minute Unplug projector; wait one minute; plug in 
projector and turn it on: lamp lights
A
AB
B
AB
COLOR
CO
L
O
R
blinksred
 
Start Up
Logo
Check lamp hours:
should be less
than...

21
Lamp won’t turn on, LED blinking red (page 14)Lamp must be replaced (page 35)
Lamp turns on
Image not centered on screenMove projector, adjust zoom, adjust heightCorrect imageblinking red
Start Up
Logo
adjust horizontal or vertical position in 
Picture>Advanced menuzoom 

22 Regarding this projector
When sending the projector in for repair, we recommend shipping the unit 
in the carry case in its original packing material, or having a professional 
packaging company pack the unit with all accessories for shipping. Please 
insure your shipment for its full value. 
Using the keypad buttonsMost buttons are described in detail in other sections, but here is an over-
view of their functions:
power–turns the projector on (page 7) and off (page 12).
menu–opens the on-screen...

23
Using the remote controlThe remote uses two (2) provided AAA batteries. They are easily installed 
by sliding the cover off the remote’s back, aligning the + and - ends of the 
batteries, sliding them into place, and then replacing the cover.
To operate, point the remote at the projection screen or at the projector (not 
at the computer). The range of optimum operation is about 30 feet (9.14m).
To use the laser pointer, press and hold the Laser button. The laser turns off 
when the button is released,...

24
Using the audio To play sound from the projector, connect your source to the Audio In con-
nector on the projector.
To adjust the volume, use the buttons on the keypad or remote.
To mute the sound, press the Mute button.Troubleshooting audioIf there is no sound, check the following:
Make sure the audio cable is connected.
Make sure mute isn’t active. 
Make sure the volume is turned up enough. Press the volume button 
on the keypad or remote.
Make sure that if you are connected to Computer 1 on the...

25
Optimizing computer imagesAfter your computer is connected properly and the computer’s image is on 
the screen, you can optimize the image using the onscreen menus. For gen-
eral information on using the menus, see page 27.
Adjust the Keystone, Contrast, or Brightness in the Picture menu. 
Change the Aspect Ratio. Aspect Ratio is the ratio of the image width to 
image height. TV screens are usually 1.33:1, also known as 4:3. HDTV 
and most DVDs are 1.78:1, or 16:9. Choose the option that best fits...

26
Optimizing video imagesAfter the video device is connected properly and the image is on the screen, 
you can optimize the image using the onscreen menus. For general informa-
tion on using the menus, see page 27.
Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture 
menu. See page 28. 
Change the Aspect ratio. Aspect ratio is the ratio of the image width to 
image height. TV screens are usually 1.33:1, also known as 4:3. HDTV 
and most DVDs are 1.78:1, or 16:9. Choose the option...

27
Using the menusTo open the menus, press the menu button on the keypad or remote. (The 
menus automatically close after 60 seconds if no buttons are pressed.) The 
Main menu appears. Use the arrow buttons to move up and down to high-
light the desired submenu, then press the Select button. 
To change a menu setting, highlight it, press Select, then use the up and 
down arrow buttons to adjust the value, select an option using radio but-
tons, or turn the feature on or off using check boxes. Press...

28
Picture menuTo adjust the following five settings, highlight the setting, press Select, use 
the up and down arrows to adjust the values, then press select to confirm 
the changes.
Key s t o n e: adjusts the image vertically and makes a squarer image. You can 
also adjust keystone from the keypad.
Contrast: controls the degree of difference between the lightest and darkest 
parts of the picture and changes the amount of black and white in the 
image.
Brightness: changes the intensity of the image....