Operator`s manual

Model VR240 Audio Logging Recorder
3-18
January 2000
3-20. DISK CONTROL.
This setting has meaning only if your VR240 has two removable archive drives. “DiskContrl”
offers you a choice between two modes of operation. The two choices are:
•
Separate Hard Disk Control for each Drv (
Separate Mode
)
•
Automatic Disk Control (Public Safety) (
Automatic Mode
)
To understand the difference between
Separate
mode and
Automatic
mode, you need to know
something about how the VR240’s internal hard disk is used.
Whenever you start recording on the Upper archive drive, the VR240 creates a file on the hard
disk. The file name will be something like UPRFILE. Audio from the input boards is
accumulated in UPRFILE. When UPRFILE grows to a certain size, most of the data in it is
transferred to the upper media drive, and the size of UPRFILE is decreased. If the media in the
upper drive becomes full and the lower drive is not ready to record, audio will continue to
accumulate in UPRFILE.
If you press
Stop
and select
Suspend
, the VR240 will stop transferring material to the upper
drive but it will continue to accumulate material in UPRFILE.
The following table describes what happens when you load media in either drive and press
Record
.
ACTION VR240 RESPONSE IN
AUTOMATIC MODE
VR240 RESPONSE IN
SEPARATE MODE
REMARKS
The VR240 is
recording with no
medium loaded in
either drive.
Audio is being recorded and
saved to UPRFILE on the
hard drive.
Audio is being recorded and
saved to UPRFILE on the
hard drive.
No difference
between Automatic
and Separate
Modes.
Medium is loaded in
the upper drive and
RECORD
is pressed.
Contents of UPRFILE is
transferred to the medium in
the upper drive.
Contents of UPRFILE is
transferred to the medium in
the upper drive.
No difference
between Automatic
and Separate
Modes.
Medium is loaded in
the lower drive and
RECORD
is pressed.
UPRFILE is renamed
LWRFILE. All accumulated
material is transferred to the
medium in the lower drive.
This means that under certain
conditions with the VR240 in
the
Automatic
mode, you do
not need to remember which
media drive the VR240 has
been set up for saving
material.
A new file called LWRFILE is
created and used to
accumulate and transfer
material to the medium in the
lower drive.
The VR240 tells you for each
drive whether or not material
is being saved for that drive.
The screen display will show
“Ready (disk recording)” or
“Not Ready (disk Recording).”
This way you know which
drive the material will be
saved to.
Separate
Hard Disk
Control is
recommended.