Sony APR-5001 Series Operation And Maintenance Manual page 142

In STOP
mode , the MVC knob will
cause
the transport
to shuttle tape dependent on the position and direc
-
tion of the knob ( MVC mode )
.
Refer to Figure 4 - 2
.
SHIELD
©
SHIELD DEFEAT
REWIND The SHIELD DEFEAT mode is used deactivate the
shields
.
When this button is pressed
,
it will light to
indicate that the shield will stay down during PLAY
or RECORD mode
.
FORWARD
The audio channels will stay undimmed except during
PLAY mode start - up ( when machine is accelerating to
play speed from stop ) and PLAY mode wind - down ( when
the machine decelerates from play speed to stop )
.
FAST
WIND
SLOW
WIND
SLOW
WIND
FAST
WIND
Figure 4 - 2
.
MVC Operation
When the machine is in PLAY mode , the MVC knob
is not functional unless VARI - SPEED mode is also
selected
.
t /
)
SPOT
GC
O
§
SPOT ERASE
Q
In VARI
- SPEED EXECUTE mode
,
the MVC knob will
increase the play speed of the tape machine when
moved to the right and decrease the speed of the tape
machine when moved to the left
.
z
a
SPOT ERASE
disables the record head with the erase
head
ON so that tape can
be erased ( with no bias fre -
quency from the record circuitry )
.
When
pressed
,
the button flashes to indicate that this mode
is armed
.
z
<
<
/
>
SPOT
O
IS
GC
H
In LOCATE , FAST FORWARD or REWIND mode
touching the knob will reduce the wind speed of the
tape machine ( SPOOL WIND
)
.
z
o
u
The SPOT ERASE mode can now
be entered by press -
ing the
in
RECORD READY
mode
.
The
erase
head will turn
on indicated by illuminated ERASE LEDs for all chan
-
nels which are
active
.
button , if at least one
channel is
RECORD
4.2
.
2 Computerized Operations
NETWORK r LOCAL
LOCAL / NETWORK
INTELLIGENCE
The user can erase
the desired
portion
of tape by pass -
ing it
over the erase head
.
To remove the
transport
from SPOT ERASE mode
,
press the
button
.
STOP
These buttons will decide from where transport con -
trol will initiate
.
Each of the buttons will illuminate
when active
.
SPEED
SPEED
When in the LOCAL mode , all control
is obtained from
the panel buttons or from the parallel remote control .
User
selectable between high
,
medium
,
and low
speeds
.
Each time the button is pressed the speed will
advance to the next higher speed as
indicated by the
HIGH , MID ,
and LOW indicator LEDs .
The
range
of
these
speeds is selected by the headstack identifica -
tion code
.
When the machine is powered on
,
the speed
last used will be automatically selected
.
When in the NETWORK mode , machine control will
originate from the network ( serial remote control ) and
the transport and audio controls are all disabled from
the
APR
-
5000
.
If both the LOCAL and the NETWORK
buttons are lit , parallel control is available from the
network and the panel button simultaneously on
a
first come , first served basis ( BOTH mode )
.
MVC
MANUAL
VELOCITY
CONTROL
TC DISPLAY
©
TIME CODE
/
DISPLAY SELECTOR
When this knob is touched ,
the
MVC
indicator LED
will light to indicate that Manual
Velocity Control has
been selected
.
The MVC knob has various functions
dependent
on the mode of
operation
.
This function can only be used on the APR - 5003
,
Center Track Time Code machine
.
See TIME CODE
SUPPLEMENT . In TIMER DISPLAY ( DISPL ) mode ,
the
display will show hours
,
minutes
,
and seconds
.
4 - 4