National Instruments 2 SD Card Memory Module NI 9802 - Manual (Page 8)

NI 9802 Operating Instructions and Specifications 8 ni.com
SD Card Slot Doors
Do not open an SD Card slot door or remove an SD Card while the
yellow LED for that card is lit or flashing. If you open an SD Card
slot door while the yellow LED for that card is lit or flashing, the
NI 9802 software acts to protect the file system of the SD Card.
Refer to the software documentation for more information.
Caution Opening an SD Card slot door or removing an
SD Card while the yellow LED for that card is lit or
flashing might result in incomplete data.
You must close the slot door for the NI 9802 software to read from
or write to the SD Card.
Note Screw the slot doors closed completely using a
#1 Phillips screwdriver. Do not overtighten.
Sleep Mode
This module supports a low-power sleep mode. Support for sleep
mode at the system level depends on the chassis that the module is
plugged into. Refer to the chassis documentation for information