Canon PowerShot V10 Vlog Camera (Black) - Manual (Page 115)

2.
Select [Select images].
3.
Select the image to protect.
Press the < > < > keys to select the image to protect.
4.
Protect the image.
Press the < > button to protect the selected image, after which it will
be labeled with a [ ] icon (1) at the top of the screen.
To cancel protection and clear the [ ] icon, press the < > button
again.
To protect another image, repeat steps 3 and 4.
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