Specifications

Section 2. Data Storage and Retrieval
When the CR3000 is used without a computer in the field, or large data files
are collected on a CF card, the CF card can be transported to the computer with
the data on it.
The format of the data files on the CF card is different than the data file
formats created when data are collected via a communications link. Data files
read directly from the CF card generally need to be converted into another
format to be used.
2.3.1 Via a Communications Link
See the manual and help for the software package you are using.
2.3.2 Via CF Card
When the CR3000 is used without a communication link in the field, or large
data files are collected on a CF card, the card can be transported to the
computer with the data on it. See the CFM100 or NL115 manual for additional
information.
2.3.2.1 Inserting a CF Card
A card inserted in the CF slot of the CFM100 or NL115 when no program is
running or when a program is running that does not use the CF card does not
cause a response from the CR3000. When a new program is compiled that
sends data to the CF card, the CR3000 checks if a card is present and if the
card has adequate space for the data tables. If the card has adequate space, the
tables will be allocated and the CR3000 will start storing data to them.
When a card is inserted into a CR3000 that is programmed to send data to a
card, the CR3000 will detect the card.
If the card has no data tables files with the same names as those created by the
program, the CR3000 checks if the card has adequate space for the data tables.
If the card has adequate space, the tables will be allocated and the CR3000 will
start storing data to them.
If the card has existing data table files whose names match those created by the
program, and the program has already run with a card, the CR3000 checks if
the data table headers match the program exactly and if the time that the
CR3000 last stored data to a card matches a time stored on the card, then the
CR3000 starts appending to the data table on the card. This option allows
removing the card to read it and then returning it to the CR3000 and having the
new data appended to the data already on the card. If you choose to use this
option be aware that if the CR3000 overwrites its buffer while the card is out,
there will be a gap in the data on the card.
If there is not enough space on the card or the data tables do not match, the
CR3000 will turn the LED yellow indicating that the card is not being used.
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