Dukane Imagepro 8758 Users Guide

20
Projector troubleshooting
Problem Solution Result
Image not square Adjust keystone on keypad or Picture menuSquare image
Image not sharpAdjust the focus lens or Sharpness in the 
Picture>Advanced menuCorrect image
Image does not fit 16:9 screenChange aspect ratio to 16:9 in 
Picture>Aspect ratio menuCorrect image
computer
2
networkmonitoroutaudioout
audioin
L
audioinserial
control
computer
in computer
1
video
2
video
in
RS-video
1
ABAB
AB 

21
Image upside downTurn off Ceiling in Settings>System menu
Correct image
Image reversed left to rightTurn off Rear in Settings>System menu
Correct image 
Projected colors don’t match source
Adjust color, tint, color temperature, 
brightness, contrast in the menusCorrect image
A
B
AB
A
AB
COLOR
COLOR 

22
Lamp won’t turn on, LED blinking red (page 16)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
Lamp won’t turn on, LED blinking red (page 16)Lamp must be replaced (page 38)
Lamp turns onblinks
red
computer
2
networkmonitoroutaudioout
audioin
L
audioin
serial
control
computer
in computer
1
video
2
video
in
RS-video
1
 c
o
m
p
u
te
r
2
n
e
tw
o
rkm
o
n
ito
r
o
u
t
audioout
audioin
L
a
u
d
io
in
s
e...

23 Still having problems?
If you need assistance, visit our website or call us. See the inside of the back 
cover for a list of all contact numbers and relevant web addresses.
This product is backed by a limited two-year warranty. An extended war-
ranty plan may be purchased from your dealer. When sending the projector 
in for repair, we recommend shipping the unit in its original packing mate-
rial, or having a professional packaging company pack the unit. Please 
insure your shipment for its full...

24
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 9) and off (page 14).
menu–opens the on-screen menus (page 29).
select–confirms choices made in the menus (page 29).
up/down arrows–navigates to and adjusts settings in the menus (page 29).
auto image–resets the projector to the source.
presets–cycles through the available preset settings (page 31).
keystone–vertical keystone adjusts the...

25
Using the remote controlThe remote uses two (2) provided AA batteries. They are easily installed by 
sliding the cover off the remote’s back, aligning the + and - ends of the bat-
teries, 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).
Previous and Next buttons allow you to navigate through your PowerPoint 
presentation while in Slide Show...

26
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 adjust the balance or turn off the projector ’s chime, use the Audio menu 
(see page 33).
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...

27
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 29.
 Adjust the Keystone, Contrast, or Brightness in the Picture menu. 
 Change the Aspect Ratio. See page 30 for details.
 Adjust the Color Temperature in the Advanced menu.
 Adjust the Phase, Tracking, or Horizontal or Vertical position in the 
Advanced menu.
 Once you have...

28
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 29.
 Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture menu. See page 30. 
 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...

29
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...