Panasonic Toughbook CF-31AAA7J1M Reference Manual page 36

Multimedia Pocket
2
Slide the latch (A) and open the cover.
3
Press the release handle (B).
The release handle pops out.
4
Pull the release handle (B) to draw out the device partway, and hold
the device on its both sides to remove.
5
Carefully insert the device into the multimedia pocket by pushing
both corners until it surely fits in the slot.
Press the release handle (C) to set in.
Insert the device with the label side up.
6
Close the cover until it clicks.
CAUTION
Hold the device by both sides. Otherwise the device may be damaged.
When raising the slot side upward and inserting the device, be careful not to apply any impact to the device.
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