Canon 5244B001 User Manual page 151

Choosing All Images
You can unlock groups of protected images if you choose [Unlock] in Step
4 in "Selecting a Range", or Step 2 in "Choosing All Images".
Choose [All Images].
Follow Step 2 on p. 148 to choose [All
Images], then press the m button.
Protect images.
Press the op buttons or turn the 7 dial
to choose [Protect], then press the m
button.
Protecting Images
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