Campbell CR9000, Instruction Manual

Page: 40 / 218

Section 2. Data Storage and Retrieval
2-8
2.3.4 Via PCMCIA PC Card
When the CR9000 is used without a computer in the field, or large data
files are collected on a PC card, the
PC card can be transported to the
computer with the data on it.
2.3.4.1 Removing Card from CR9000
The 9080 PCMCIA Adapter Module contains slots for two Type I/II
PCMCIA cards or one type III PCMCIA card. The LEDs indicate the
status of the cards in slots A and B.
•
Not lit: no card detected.
•
green: present and correctly formatted.
•
red: present but corrupt.
•
orange: accessing the card.
To remove a card, press the button next to the status LED to power down
the card. The LED will blink green several times then go out for 10
seconds. Remove the card while the LED is not lit. The card will be
reactivated if not removed.
Caution: Removing a card while it is active can cause garbled data and can
actually damage the card. Do not switch off the power (9011 Module)
while the cards are present and active.
When the PC card is inserted in a computer, the data files can be copied to
another drive or used directly from the PC card just as one would from any
other disk. In most cases, however, it will be necessary to convert the file
format before using the data.
2.3.4.2 Converting File Format
The CR9000 stores data on PC cards in TOB2 Format. TOB2 is a binary
format that incorporates features to improve reliability of the PC Cards.
TOB2 allows the accurate determination of each record’s time without the
space required for individual time stamps.
When TOB2 files are converted to another format, the number of records
may be greater or less than the number requested in the data table
declaration. There are always at least two additional frames of data
allocated. When the file is converted these will result in additional records
if no lapses occurred. If more lapses occur than were anticipated, there
may be fewer records in the file than were allocated.
PC9000’s file converter will convert TOB1 files to ASCII or TOB2 files to
TOB1, ASCII, DaDisp, or ID-2000W. The Convert Data Files option is in
the File Menu. The options for TOB2 appear after the name of the file to
convert has been selected (Figure 2.3-3.)