question about icon on camera screen

[verbal]

I have a red and white rectangular icon beside the previous pic at the top right of the screen any idea what this is? I am pretty sure it wasn't there before..thanks in advance.

[_alexdon_]

Could you post a screenshot?

[verbal]

http://instagram.com/p/phaEnQCbC6/

[_alexdon_]

How is your memory on the SD card?Reaching full?

[verbal]

Ooo good call, I will check

[verbal]

Yep, downloaded 2 films in the week took up more space than I thought....

[_alexdon_]

Make some free space and check again to see if the icon still shows up.

[verbal]

It's gone. Makes sense once you think about it.. Thank you