## To read data from data card:
Different kinds of data card: SD card,  CF card or flash drive

To read data from data card,  check the checkbox "From Data Card".

File List box will display "Data Card" and the data in the selected card can be
read without selecting "Data Card" in the box. 

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<img alt="From Data Card checkbox" src="images/data_card/from_data_card_checkbox.png" height="80" />
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Note: This will work the same way as selecting the current folder nested in
the first level of a data set.

### Baler data
Baler data has data/ folder for main data and sdata/ folder for backup
data.  When Baler data is selected,  the radio buttons for data/ and sdata/
are enable for user to select one of the folder to read from.

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<br />
<img alt="data/sdata radio buttons" src="images/data_card/data_sdata_radio_buttons.png" height="80" />
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### CF card
When CF card is selected,  the serial numbers of the DASs in the CF card will
be listed for user to select for reading.

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<br />
<img alt="DAS in CF Card" src="images/data_card/das_in_cf_card.png" height="100" />
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Note: DASs list will be displayed in the File List box no matter the From Data
Card checkbox is checked or not.