Sony DEV-50 Handbook page 73

This memory card may not be able to
record or play movies.
Use a memory card recommended for this

product (p. 17).
This memory card may not be able to
record or play images correctly.
Use a memory card recommended for this

product (p. 17).
Do not eject the memory card during
writing. Data may be damaged.
Reinsert the memory card, and follow the

instructions on the screen.
External media cannot execute functions.
Check the database file by selecting

(MENU)  [Setup]  [
 [Repair Img. DB F.].
If the message still appears, reconnect the

external media device, then format it. Note
that if you format the external media device,
all the data on the device will be deleted.
If you cannot format the external media

device, the external media device may be
incompatible with this product, or damaged.
Replace it with a new one.
Other
Maximum number of images already
selected.
You can select only 100 images at one time for:

Deleting movies/photos

Protecting movies/photos, or releasing the

protection
Copying movies/photos

Media Settings]
GB