Barco GRAPHICS 500 R9002930 User Manual
Size:
6.88 Mb
Download

7.Image Menu

5.Press → to pull down the menu

6.Use ↓ or ↑ to select Gamma

7.Press ENTER

On the screen appears now a sliderbox

8.Use ←or → , the numeric keys on the remote, or the keypad to change the Gamma

7.1.7Phase

Phase adjustment

A bad phase adjustment will result in bad transitions and sometimes noise (text can end to be unclear).

How to change the Phase ?

1.Press MENU to activate the Toolbar

2.Press → to select the Image item

3.Press ↓ to Pull down the Image menu

4.Use ↑ or ↓ to select settings

5.Press → to pull down the menu

6.Use ↓ or ↑ to select Phase

7.Press ENTER

On the screen appears now a sliderbox (image 7-6)

8.Use ←or → , the numeric keys on the remote, or the keypad to change the Phase

Image 7-6

7.1.8Noise reduction

How to change the Noise reduction ?

1.Press MENU to activate the Toolbar

2.Press → to select the Image item

3.Press ↓ to Pull down the Image menu

4.Use ↑ or ↓ to select settings

5.Press → to pull down the menu

6.Use ↓ or ↑ to select Noise reduction

7.Press ENTER

On the screen appears now a sliderbox

8.Use ←or → , the numeric keys on the remote, or the keypad to change the Noise reduction setting.

7.2Aspect ratio

Aspect ratios

The standard aspect ratio used in broadcast television is the 4:3 ratio. However, most of the DVD sources use nowadays the widescreen 16:9 or even the cinemascope 2.35:1 aspect ratio.

Some DVD sources may even use the anamorphic 16:9 or anamorphic 2.35:1 to take advantage of the higher vertical resolution offered by the 4:3 ratio. The “anamorphic” term means that the original widescreen image is squeezed in order to fit the 4:3 aspect ratio.

60

 

R5976367 BARCOIQ GRAPHICS 500 01/02/2007

7. Image Menu

4:3

16:9

2.35:1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 7-7

Common nonanamorphic aspect ratios in DVD sources

16:9

2.35:1

 

 

 

Image 7-8

Anamorphic aspect ratios in DVD sources

What can be done ?

The aspect ratio setting forces the projector to project an image using a defined aspect ratio :

4:3

16:9

5:4

Auto

The settings do not refer to the aspect ratio of the source !

R5976367 BARCOIQ GRAPHICS 500 01/02/2007

 

61

7. Image Menu

Source

4:3

16:9

 

Projector setting

4:3

16:9

5:4

2.35:1

16:9 anamorphic

2.35:1 anamorphic

Image 7-9

Possible aspect ratio settings and their effect on different sources in the iQ.

We can conclude that the thumb rule for DVD projection is to always leave the projector in 4:3 format except when dealing with anamorphic sources where the 16:9 setting allows the best reproduction.

The Auto function calculates an aspect ratio based on the information stored in the image files.

Selecting Auto in case of a Video source may shrink the image horizontally

How to change the Aspect ratio ?

1.Press MENU to activate the Tool bar

2.Press → to select Image

3.Press ↓ to Pull down the Image menu(image 7-10)

4.Use ↑ or ↓ to select Aspect ratio

5.Use → open the Aspect ratio menu

6.Use ↑ or ↓ to select the desired ratio

7.Press ENTER to confirm

62

 

R5976367 BARCOIQ GRAPHICS 500 01/02/2007

 

7. Image Menu

Image 7-10

The aspect ratio settings are greyed out in case the Show native resolution or theFull screen representation setting is enabled.

How to set a custom Aspect ratio ?

1.Press MENU to activate the Tool bar

2.Press → to select Image

3.Press ↓ to Pull down the Image menu(image 7-11)

4.Use ↑ or ↓ to select Aspect ratio

5.Use → open the Aspect ratio menu

6.Use ↑ or ↓ to select Custom

7.Press ENTER to confirm

A dialog box is displayed (image 7-12)

8.Enter the values for width and height of the image The image aspect ratio is updated.

Image 7-11

R5976367 BARCOIQ GRAPHICS 500 01/02/2007

 

63