Sony RM-450A Mode D'emploi page 18

Automatic Editing
18
The last OUT point is automatically set.
When either of the OUT points is entered, the duration between the IN and
OUT points of one VTR is automatically calculated and the other OUT
point is set.
When the SERVO indicator lights
The servo-mechanisms cannot be locked between the IN and OUT points
during automatic editing or preview.
SERVO indicator
SERVO IN
HOURS MINUTES SECONDS FRAMES
PLAYER
STDBY EJECT
EDIT MODE
OUT IN OUT
EDITING CONTROL UNIT RM-450A HOURS MINUTES SECONDS FRAMES
ASMBL V A1 A2
SERVO
RECORD
REC EDIT ST