Sony DNW-7/7P Operation Manual page 185

Protecting saved data
If you set the WRITE PROTECT setting to "ON" in engineer mode to
protect data written to a setup card, then pressing the rotary encoder in
step 6 of the foregoing procedure (page 4-105) does not carry out
overwriting. Follow the procedure below (possible in engineer mode
only).
2
1
Move the cursor to the WRITE PROTECT position.
1
Protecting saved data
Chapter 4 Adjustments and Settings for Recording
SETUP CARD
READ (mCAM)
WRITE (mCARD)
ID EDIT
m WRITE PROTECT
: OFF
4
(Continued)
4-107