Reference Signal For The Servo System - Sony DNW-A75 BETACAM SX Operation Manual

3-2 Reference Signals for Video Output and Servo System

3-2-2 Reference Signal for the Servo System

The VTR automatically selects either the input video
signal or the output from the internal reference video
signal generator as the reference signal for the servo
Is a signal input to
the commector selected
with the VIDEO INPUT
SELECT switch?
Yes
Lock the servo to the input
video signal selected with the
VIDEO INPUT SELECT switch.
3-4
Chapter 3 Preparations
Start
EXT
Setting of extended
menu item 309?
INPUT
VIDEO
Setting of the OUT
REF switch?
Currently
Yes
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.
system. Which of the two signals is selected depends
on the operational status of the VTR, as shown in the
following flowchart.
AUTO1
AUTO2
REF
No
No
Yes
No external synchronization.