Canon EOS-1D X Mark III EOS-1DX Mark III Advanced User Guide - Page 708

GPS Precautions Countries/regions permitting use of GPS functions Use of GPS features is restricted in some countries and regions, and illegal use may be punishable under national or local regulations. To avoid violating GPS regulations, visit the Canon website to check where use is allowed. Note that Canon cannot be held liable for any problems arising from use of GPS functions in other countries and regions. Because the use of GPS may be restricted in some countries and regions, follow local laws and regulations where you will use the camera. Be particularly careful about using GPS functions outside your home country. Be careful about using GPS functions where the operation of electronic devices is restricted. Others may be able to locate or identify you by using location data in your geotagged still images or movies. Be careful when sharing these geotagged still images, movies, or GPS log files with others, such as when posting them online where many people can view them. GPS signal reception may take a longer time in some cases. 708