Canon PowerShot SX210 IS User Manual page 122

Protecting Images
Choose images with the Â
You can also choose the first or last image by turning the  dial when the upper
screen in Steps 2 and 3 is displayed.
Choose All Images
You can unlock all protected images if you choose [Unlock] in Step 4, while
in [Select Range], or Step 2 while in [All Images].
122
Choose the ending image.
∆ Press the r button, choose [Last image]
and press the m button.
Press the qr buttons or turn the  dial to
∆
choose the image and press the m button.
∆
You cannot choose images before the first
image.
Protect images.
∆ Press the op buttons to choose [Protect]
and press the m button.
Choose [All Images].
∆
Follow Step 2 on p. 120 to choose [All
Images] and press the m button.
Protect images.
∆ Press the op buttons or turn the  dial to
choose [Protect] and press the m button.