Reference Signals For Video Output And Servo System; External Sync Signal For The Internal Reference Video Signal Generator - Sony DNW-A100 Operation Manual

3-2 Reference Signals for Video Output and Servo System

This section describes how reference signals for the
video output signals and servo system are selected.

3-2-1 External Sync Signal for the Internal Reference Video Signal Generator

The internal reference video signal generator is
synchronized either to a reference video signal or to an
input video signal. Depending on the settings of the
Is a signal input to
the connector selected
with the VIDEO INPUT
SELECT switch?
Yes
Synchronize to the input video
signal selected with the VIDEO
INPUT SELECT switch.
a) VTR or hard disk only operation, with an external device (EXT) specified as the player regardless of what device is specified as the recorder.
b) Currently recording: status in which recording on tape or the hard disk is being carried out regardless of what device is specified as the recorder.
c) Currently editing: status in which buttons in the editing mode setting section have been set for assemble or insert editing.
Start
Other than tape
only or hard disk
a)
only
Device
specification?
EXT
Setting of extended
menu item 309?
INPUT
VIDEO
Setting of the OUT
REF switch?
Yes
Currently recording
or editing
Is a signal input to
No
the REF. VIDEO
INPUT connector?
Synchronize to the reference
video signal input to the REF.
VIDEO INPUT connector.
The output from the internal reference video signal
generator is supplied to the output video signal and
servo circuits as a reference signal.
OUT REF switch on the subsidiary control panel and
extended menu item 309, and the input signal
selection, the external synchronization status is as
shown in the following flowchart.
The internal reference video
Recorder
signal is the signal selected
hard disk
according to the flowchart in
only
Section 3-2-2 "Reference Signal
for the Server System".
Recorder tape
only
AUTO1
AUTO2
INPUT
VIDEO
REF
Yes
b)
c)
?
No
No
Yes
Setting of the OUT
REF switch?
REF
b)
Currently recording ?
No
No external synchronization.
Chapter 3 Preparations
3-3