Canon PowerShot SX400 IS Black Manual (en)

Using an Eye-Fi Card
 Still Images 
Before using an Eye-Fi card, always confirm that local use is 
permitted (
Inserting a prepared Eye-Fi card enables automatic wireless transfer 
of images to a computer or uploading to a photo-sharing website.
Images are transferred by the Eye-Fi card. Refer to the card’s user 
manual or contact the manufacturer for instructions on preparing 
and using cards or resolving transfer problems.
When using an Eye-Fi card, keep the following points in mind.
Cards may continue to transmit radio waves even when [Eye-
Fi trans.] is set to [Disable] (
card before entering hospitals, aircraft, or other areas where 
transmission is prohibited.
When troubleshooting image transfer issues, check the card and 
computer settings. For details, refer to the card’s user manual.
Poor Eye-Fi connections may cause image transfer to take a 
long time, and transfer may be interrupted in some cases.
Eye-Fi cards may become hot, due to their transfer functions.
Battery power will be consumed faster than in normal use.
Camera operation may become sluggish. To resolve this, try 
setting [Eye-Fi trans.] to [Disable].