Clamp Gating; Vertical Sync Reference; What Can Be Done - Barco R9002390 Owner's Manual

Random Access Adjustment Mode

Vertical Sync Reference

Why necessary ?
e.g. When spooling a tape and start playing the image, it is possible that the image still rolls for ± 2 frames. This can be avoid by changing
the vertical sync reference to direct.
How to change the vertical sync reference ?
1. Push the cursor key é or ê to select 'V Sync Ref' (menu 1).
2. Press ENTER to toggle between 'direct' and ' indirect'.
Default position : indirect.
LINE MULTIPLIER
TIME BASE CORRECTION
LUMINANCE DELAY
V SYNC REF : INDIRECT
CLAMP GATING : OFF
FACTORY PRESET
WARNING : ADVANCED
ADJUSTMENT SHOULD BE
PERFORMED ONLY BY QUALIFIED
PERSONNEL
Select with é or ê
then <ENTER>
<EXIT> to return.
menu 1

Clamp Gating

Why necessary ?
When Time Base Correction is ON, Clamp gating should be set to ON (caution : Set H sync ref. to indirect).
Also e.g. with bad video tapes or with video signals with negative pulses in the information part of the signal.
How to change the Clamp Gating ?
1. Push the cursor key é or ê to select 'Clamp Gating' (menu 1).
2. Press ENTER to toggle between ON and OFF.
Default position : OFF.
LINE MULTIPLIER
TIME BASE CORRECTION
LUMINANCE DELAY
V SYNC REF : INDIRECT
CLAMP GATING : OFF
FACTORY PRESET
WARNING : ADVANCED
ADJUSTMENT SHOULD BE
PERFORMED ONLY BY QUALIFIED
PERSONNEL
Select with é or ê
then <ENTER>
<EXIT> to return.
menu 1
Factory Preset

What can be done ?

All settings for the line multiplier can be set to factory preset settings.
What are the factory preset settings ?
The factory preset settings are :
Time base correction : on
Luminace delay : 0
Vertical sync reference : indirect
Clamp gating : off
7-12 5976064 BARCOCINE 8 09022000