Extron electronic SGS 408 manual Filtering an image, Adjusting contrast and brightness

Operation, cont’d

8	X X X . X X	K H z X X . X X H z				D i s s o l v e
4	X X X . X X	K H z	X X . X X H z				N / A
1 2 8 0 X 1 0 2 4 @			6 0 H z			H S i z e D e f
Tr u e ( D V I ) o n l y						V S i z e M i n
M e n u		C e n t e r		S i z e	F i l t e r	L e v e l

Figure 3-27 — Sizing an image.

Filtering an image

To apply a filter to an image, do the following:

1.From the default screen, press the Filter button (figure 3-28). The preview input is highlighted.

8	X X X . X X	K H z X X . X X H z					D i s s o l v e
4	X X X . X X	K H z	X X . X X H z					N / A
1 2 8 0 X 1 0 2 4 @			6 0 H z			H	F i l t e r	2
Tr u e ( D V I ) o n l y						V	F i l t e r	D e f
M e n u		C e n t e r		S i z e	F i l t e r		L e v e l

Figure 3-28 — Applying a filter to an image

2.If you want to apply a filter to the program input, press the Filter button again.

3.To change the vertical filter, turn the left adjustment knob. Eight levels of vertical filter are available where Def (0) is the default, then 1 thru 6, and Max (7) is the maximum. Choose the filter that provides the most improvement to the image detail.

4.To change the horizontal filter level, turn the right adjustment knob. Eight levels of horizontal filter are available where Def (0) is the default, then 1 thru 6, and Max (7) is the maximum. Choose the filter that provides the sharpest image.

Adjusting contrast and brightness

To adjust the contrast or brightness of an image, do the following:

1.From the default screen, press the Level button (figure 3-29). The preview input is highlighted.

8	X X X . X X	K H z X X . X X H z					D i s s o l v e
4	X X X . X X	K H z	X X . X X H z					N / A
1 2 8 0 X 1 0 2 4 @			6 0 H z				B r i g h t M i n
Tr u e ( D V I ) o n l y						C o n t r a s t + 0 2 9
M e n u		C e n t e r		S i z e	F i l t e r		L e v e l

Figure 3-29 — Adjusting contrast and brightness

3-14 SGS 408 Switcher • Operation