Sony Handycam DCR-VX2100E Operating Instructions Manual page 23

Step 3 Inserting a cassette
When you use mini DV cassettes with
cassette memory
Read the instruction about cassette memory to
use this function properly (p. 210).
To prevent accidental erasure
Slide the write-protect tab on the cassette to
SAVE.
If the grip strap prevents the cassette lid
from opening fully
Adjust the length of the grip strap (p. 249).
If Q flashes even if the cassette has been
inserted
Press the PUSH button again to close the cover
Q
firmly.
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