Setting Reference Video Signals - Sony Betacam SX DNW-A28 Operation Manual

2-4 Setting Reference Video Signals

This section explains how reference video signals for
synchronization of video output and servo lock are
selected according to settings made with this unit.
Reference video signal for video output
Output video signals are synchronized with the signal
generated by this unit's internal reference video signal
generator. The internal reference video signal
generator can be synchronized with an external
reference video signal or with an input video signal
(SDI or composite video).
Setting
Operating mode of this unit Recording
a) During recording to tape.
b) When the assemble editing or insert editing mode has
been selected.
c) Synchronize with external reference video signal (input
to the REF. VIDEO IN connector).
Reference video signals in editing
When the OUT REF is set to REF, the signal shown in
the table below is selected, depending on whether
setup menu item 309 is set to AUTO1 or AUTO2.
Note
Normally select AUTO1 and synchronize the external
reference video signal with the input video signal.
Select AUTO2 when the external reference video
signal is not synchronized with the input video signal.
Setting of setup menu item 309
Synchronization signal for internal reference video
signal generator
Synchronization signal for servo reference
video signal
Setting of setup menu item
309
OUT REF setting
a)
Editing b)
Other
AUTO1
External reference video signal
Input video signal
Reference video signal for servo lock
synchronization
Servo lock can be synchronized with an external
reference video signal, with an input video signal (SDI
or composite video), or with the signal generated by
this unit's internal reference video signal generator.
As shown in the table below, a signal for
synchronization of the internal reference video signal
generator and a reference video signal for
synchronization of servo lock are selected according to
the setting of setup menu item 309, the setting of the
OUT REF in the submenu, and the operating mode of
the unit.
For more information about setup menu item 309, see page
6-11. For more information about the OUT REF, see page
2-22.
"AUTO (AUTO1/AUTO2)"
"REF"
d)
Input
See below, "Reference video
signals in editing"
Ref
d) Synchronize with input video signal (SDI or composite
video), as selected with "source video signal" in the
submenu (see page 2-17).
If you select AUTO1 under these conditions, noise
may enter the video and audio signals, making editing
difficult.
"EXT"
"INPUT" –
Input c)
Ref
AUTO2
Input video signal
2-7
Chapter 2 Preparations