4 vertical sync reference, 5 clamp gating, 63 8.5.7.9.5 clamp gating – Barco CINE7 R9010050 User Manual

Page 67: Vertical sync reference, Clamp gating, 4 vertical sync reference what can be done, 5 clamp gating when is it necessary

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8. Random Access Adjustment Mode

How to adjust Luminance Delay?

1. Push the cursor key

or

to highlight Luminance Delay and press ENTER to select. (menu 8-32)

The Luminance Delay bar scale will be displayed. (image 8-4)

2. Push the cursor key

or

to adjust the Luminance Delay until the color shift is eliminated.

3. Press EXIT to return to the Line Multiplier menu.

LINE MULTIPLIER

TIME BASE CORRECTION

LUMINANCE DELAY

V SYNC REF: INDIRECT

CLAMP GATING: OFF

LIMO PLUS OPTIONS

FACTORY PRESET

WARNING: ADVANCED

ADJUSTMENT SHOULD BE

PERFORMED ONLY BY QUALIFIED

PERSONNEL

Select with

or

then <ENTER>

<EXIT> to return

Menu 8-32

Image 8-4
Luminance Delay bar scale

8.5.7.9.4

Vertical Sync Reference

What can be done?

The Vertical Sync Reference can be set in 2 modes:

Direct

This sync processing has the disadvantage that glitches and other disturbances in the video signal
sometimes get passed and hence may cause problems in the image.

Indirect

This sync processing throws away any disturbances that are not really sync signals. By source switching a
rolling effect on the image can occur. This sync processing is preferred especially with low quality material.

How to toggle Vertical Sync Reference Direct/Indirect?

1. Push the cursor key

or

to highlight Vertical Sync Reference. (menu 8-33)

2. Press ENTER to toggle Vertical Sync Reference Direct/Indirect.

LINE MULTIPLIER

TIME BASE CORRECTION

LUMINANCE DELAY

V SYNC REF: INDIRECT

CLAMP GATING: OFF

LIMO PLUS OPTIONS

FACTORY PRESET

WARNING: ADVANCED

ADJUSTMENT SHOULD BE

PERFORMED ONLY BY QUALIFIED

PERSONNEL

Select with

or

then <ENTER>

<EXIT> to return

Menu 8-33

8.5.7.9.5

Clamp Gating

When is it necessary?

Clamp Gating is useful when protection signals are present in the vertical interval of the video signal (macrovision), that would
otherwise confuse the Limo Pro, causing horizontal brightness differences near the top of the screen.

R5976584 BARCO CINE7 26022003

63

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