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CCFC Field Camera
85
start with is approximately 1048 Kbytes, which is 25% of the 4M bytes
available on a standard CR1000.
The following methods can be used to set the drive size of the USR:
x
The
Device Configuration Utility
x
PakBus Graph
x
Editing the parameter from the Status Table
x
CR1000 optional keypad and display
The CCFC will not send any files using the PakBus that are greater
than 2 MB.
18.2 CR1000 Files Manager
The
Files Manager
setting on the CR1000 facilitates the management of jpeg
and avi files that are received from the camera.
Files Manager
allows the user
to specify a name for the files and the number of files kept in a ring memory
type fashion.
The format of the
Files Manager
setting is as follows:
x
(AAAA,DDD:NAME.EXT,NNNN)
x
AAAA – camera PakBus address.
x
DDD – destination drive on the CR1000
USR for the user drive.
CRD for the compact flash memory card.
x
NAME – any name string that will be used to name the files.
x
EXT – the file extension of the incoming file must match. In the case
od the camera, this must always be either jpg or avi.
x
NNNN – number of files kept in the memory ring. This number must
be low enough so that the memory required for files is less than what
is available in the corresponding drive. Otherwise, the USR memory
will not ring, but will fill up and stop. For the internal USR drive of a
datalogger this would normally be between 3 and 10 photos and for an
external memory card (i.e. CRD drive) the number of photos can be
larger. When communicating to retrieve photos, it is suggested to limit
the number of files in the ring memory to 200 in order to avoid long
communication delays.
Following is an example of Files Manager settings:
(55,USR:SkySouth.JPG,3)
x
Camera PakBus address is 55
x
The files will be stored in the USR: director with a name
SkySouth####.jpg where #### is an incrementing number. Entering a
zero for this parameter will disable the automatic numbering and
produce a fixed file name.
x
The 3 most recent files will be kept. A new incoming file will cause
the oldest to be deleted.
Note
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