Sony APR-5001 Series Operation And Maintenance Manual page 60

APR
-
5
Q
03 V
extinguished
,
the control is ineffective
,
and the record
*
ing
level is adjusted by the internal preset level
.
RECORD
The RECORD block contains two status
indicators and
one
key The BIAS and ERASE indicators become
illuminated
to show which , if any of these functions
is currently active
.
During
a normal recording opera -
tion
,
both of these indicators become illuminated
.
During SPOT ERASE , the BIAS indicator is
ex
-
tinguished
to show that the record head bias is turn
-
ed off
,
and the ERASE indicator is illuminated to
show that the
erase head
is active
.
OUTPUT LEVEL
The OUTPUT LEVEL section is similiar to the
RECORD LEVEL section
,
differing only in that it
con -
trols the channel '
s audio output level rather than its
recording
level
.
VU Meter
Each audio channel
incorporates
a VU Meter with
a
range
of - 20
VU to
+ 3
VU
.
The meters are preset at
the factory so that an indication of 0 VU corresponds
to a level of + 4 dRu
.
( OdBu =
0.775 vrms ) . If so
desired
, this reference can be changed by an adjust -
ment on the CNL
( channel ) board
,
the procedure be -
ing as given in the APR - 5000
Operation and
Maintenance Manual
.
The key is used
to set the channel
into
RECORD READY before the transport
is placed in
RECORD mode
.
When is selected
,
the key
becomes illuminated to indicate that the channel is
warn
ready to record
.
MONITOR
The MONITOR block contains three keys which
are us
-
ed to select the
source
of the audio channel output
.
The VU Meter monitors the signals selected
at
the
MONITOR section
,
i
. e .
when
VU Meter indicates the audio channel input level
, etc .
is selected
,
the
INPUT
REPRO
is pressed , it becomes illuminated to When
indicate that the audio channel output is being deriv
-
ed from the reproduce head
.
4.4
.
2 Monitor Speaker
The machine is fitted with
a Monitor Speaker whose
output is derived from the signal (
s
) displayed
on
the
VU Meter ( s ) .
Track 1
, Track 2 , or both
tracks
can
be
selected by pressing the appropriate key
( s )
,
these
keys becoming illuminated
to indicate the track ( s ) be -
ing monitored
. When both keys
are selected , the in -
put signals are summed in the monitor
amp
.
The
LEVEL control is used to adjust the volume of the
monitored signal
.
is selected
,
it illuminates to indicate
When
that the audio channel output is being derived from
the sync ( or cue
) head
.
During
a RECORD
operation
,
this will be the same as INPUT
.
During
a PLAY opera -
tion
,
the playback signal will
come
from the sync head
instead of the repro head
.
4
,
5
STORAGE LOCATION
RELATED OPERATIONS
is selected
,
the key illuminates to in -
When
dicate that the audio channel output is derived direct
-
ly from the audio channel input
.
Paragraphs
4.5 . 1
through 4.5
. 4
describe various
Storage
Location related operations
,
these being
RESOLVE ON
PLAY , PREVIEW / EDIT / REVIEW , TRIGGERED EDIT
SYNCHRONIZATION and
FIND . All of these
operations
require argument or time entries into
various Storage
Locations
.
Paragraphs
4.6
through
4.6 . 4
give the
specific procedures used for making these entries
.
RECORD LEVEL
The
recording
level
can
be either internally preset or
controlled from the rotary level control on the
RECORD LEVEL section of the
panel
, selection bet -
ween these options being made by means of the
(
UNCALIBRATED ) key on
the
same
panel
4.5
.
1
RESOLVE ON PLAY
section
.
The PLAY operation can be preset to
RESOLVE ,
which establishes and maintains data independent
synchronism between
the Time Code from tape and
some external reference .
Being data independent
,
this
occurs
in
a manner which is independent of any
offset
. The external reference
can
be either Longi
-
tudinal Time Code ( LTC ) or a video signal or ex -
U N C A L
When this key is selected
,
it becomes illuminated to
show that the recording level is UNCALIBRATED ,
i
. e .
it
can be controlled by adjustment of the RECORD
LEVEL rotary control
.
When the key is
mm
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