ADLINK STC-15W04 - Manual (Page 24)

14 Getting Started
3.3 CFast Card Installation
To install or remove the CFast card, loosen the captive screw until
it is possible to remove the CFast slot cover.
Insert or remove the CFast card as required.
Replace the slot cover and tighten the scew.
NOTE: NOTE:
Do not completely remove the screw, as this will make it more
difficult to remove the slot cover.