Vaisala WMS302 Guía de usuario Pagina 156

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User's Guide ______________________________________________________________________
154 __________________________________________________________________M210630EN-B
LED on the logger cover to the left of the external memory card is
constantly on.
When a new memory card is inserted into MAWS, the software checks
that the card is ready for use. The status of the memory card is indicated
by a LED. Table 19 on page 154 describes the different blinking
sequences and the card conditions they indicate.
Automatic Erase from External
Memory Card
The log group specific setting Number of days to preserve log files
affects also the files stored to the external memory card. The
functionality is the same as for internal log memory:
- Files older than the selected value [days] will be deleted
automatically
- Files are not erased, that is, the automatic clean up is disabled
When files are stored to the external memory card, the internal memory
is used as the working memory for storing the log files of the current
day. These working files are moved to the external card each day just
after midnight when the new files have been created for writing.
CAUTION
The memory card must not be removed from MAWS while data is
being written, or the data may be lost. By default, data is transmitted
to the memory card each day at 00:00:30.
Table 19 LED Blinking Sequences and Card Status Options
Blinking Sequence Card Status
Long-long The card is OK.
Constantly on Data is being written.
Short-short-short for 5 seconds The card is unformatted or corrupted.
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