Canon PowerShot SX400 IS Black Manual (en)

Choose an image.
Press the [ ][ ] buttons to 
choose an image, and then press 
the [
] button. [
] is displayed.
To untag the image, press the 
] button again. [
] is no longer 
Repeat this process to choose 
additional images.
Finish the setup process.
Press the [
] button. 
A confirmation message is 
Press the [ ][ ] buttons to 
choose [OK], and then press the 
] button.
Images will not be tagged as favorites if you switch to Shooting 
mode or turn the camera off before finishing the setup process in 
step 3.
Favorite images will have a three-star rating (
when transferred to computers running Windows 8 or Windows 7. 
(Does not apply to movies.)