12
In 625/50 the adjustment range of V_Delay is 0-624 lines (one
TV frame).
In 525/60 the adjustment range is 0-524 lines (one TV frame).
The default setting is 0 lines.
The delay of the card is indicated by the tracking pulse on the
BNC output. This can be used, for example, to track an audio
delay.
Gain-mode
Gain-mode determines whether the gain for the composite and
Y_Pr_Pb is
MANUAL
or
AUTO
. In
AUTO
mode an AGC stage is
enabled and the voltage is adjusted automatically, depending on
the sync amplitude. If the sync is less than 300mV, the video
input signal will be amplified with the amount specified as the
300mV sync amplitude. If the sync amplitude is too high the
opposite occurs. In
VARIABLE
mode the input signal is manually
adjustable.
The default setting is
AUTO
.
FrzMode
Frz-mode
gives the option of storing a complete Video Frame
or Field (double written) for the above
Freeze
Menu and the
external freeze input. The settings of
Frz-mode
are
Field
and
Frame
. The default setting is
Field
.
Ext-Frz-Ena
Ext-Frz-Ena
gives the option of storing a complete Video
Frame or Field (double written) when an external contact is
closed. (needs to be set in the menu item above) For the
connections of the external contact see chapter connections.
The default setting is
Disabled
A_VI-Ins
The Video Index insertion menu enables the generation of Video
Index information. Video Index is used to trigger cascaded
equipment that process wide screen manipulation, aspect ratio
converters for example.
A_
VI-Ins
:
The Video Index data insertion re-cognises 16 different modes.
These modes are divided into 2 groups, 4:3 and 16:9, each group
having 8 sub-categories numbered 0-7. Valid data ranges are
4:3
_
0
,
4:3
_
1
,
4:3
_
2
, etc., to
16:9
_
0
,
16:9
_
1
,
16:9
_
2
etc
The default setting is
Off
A_Blank-ANC
A_Blank-ANC
allows to blank ancillary data in the vertical
interval.
V-
the vertical dats is blanked
