Sony APR-5001 Series Operation And Maintenance Manual page 63

APR
-
5003 V
STEP 4 Set Storage Location 38 to the appropriate
MAINTAIN LOCK
reference
.
( This selects
the
source
from which the machine main
*
tains lock after the
IN POINT .
)
0
-
External ETC
,
Data Independent
1
=
External LTC
,
Data Dependent
2
-
Video signal or external Tone
,
Data
Independent
3
=
VITC
,
Data Dependent
As STEP 5 is completed , the machine automatically
cues to
the
appropriate position ahead of the
IN
POINT
.
Once the machine
is cued
,
the
flashes on and off ,
and the machine begins to monitor
the ascending Time Code reference ( Establish Lock
Reference )
,
At Lock Actuation Time the controlled
device is triggered automatically to synchronize its
own internal LTC from
tape with the selected
Exter
-
nal Time Code reference .
Figure
4 - 8 illustrates the
TRIGGERED EDIT SYNCHRONIZATION
operation
.
key
PLAY
STEP 5 Set
the appropriate Storage Location to 1
to
actuate
the desired facility
.
Storage Location 95 = PREVIEW
Storage Location 96 = EDIT
Storage Location 97
-
REVIEW
The Lock Actuation Time is defined as follows :
Lock Actuation Time = IN POINT
-
( PREROLL DURATION
+
SYNC OFFSET )
LTC TAPECODE
IN POINT
(
TC REF
.
PLUS
SYNC OFFSET
)
- Mock
assured
(
record operation
effective
)
lock
achieved
prior to
IN POINT
lock margin
\
v
»
M
« •
•••
»
ASCENDING
CONTROLLED
DEVICE
INTERNAL
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.
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.
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.
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.
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.
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.
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.
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,
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W * l i t *
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-
Kv
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•
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» • «
.
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.
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;
i
;;
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LTC •
*
•
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»
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tm • > * » *
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M i n
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9
•
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/
.
Y
.
W
.
Y
v
.
v
.
PREROLL
SEARCH POINT j
*
a
* Accelerotion
Allowance j
9
\ VIRTUAL
PREROLL
POINT
#
i
!
,
9
PREROLL DURATION
S
LOCK TIME
—
-
Lock Actuation Time
ASCENDING
EXTERNAL TIMECODE
( LTC OR VITC )
Figure 4
-
8
=
Triggered Edit Synchronization
Page 4
-
15