Canon EOS Rebel T5i 18-55mm IS STM Lens Kit Instruction Manual - Page 313

Using Eye-Fi Cards Cautions for Using Eye-Fi Cards If "J" is displayed, an error occurred while retrieving the card information. Turn the camera's power switch off and on again. Even if [Eye-Fi trans.] is set to [Disable], it may still transmit a signal. In hospitals, airports, and other places where wireless transmissions are prohibited, remove the Eye-Fi card from the camera. If the image transfer does not function, check the Eye-Fi card and personal computer settings. For details, refer to the card's instruction manual. Depending on the wireless LAN's connection conditions, the image transfer may take longer or it may be interrupted. Because of the transmission function, the Eye-Fi card may become hot. The battery power will be consumed faster. During the image transfer, auto power off will not take effect. 313