Canon EOS 90D Advanced User's Manual page 474

Geotagging Images with GPS Information from Other Devices
Precautions When Using GP-E2
Be sure to check the countries and regions where its use is allowed, and use
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the function in accordance with the laws and regulations of the country or
region.
Make sure the GP-E2 fi rmware is updated to Ver. 2.0.0 or later. Firmware
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updating requires an interface cable. For updating instructions, visit the Canon
website.
The cable cannot be used to connect the camera to the GP-E2.
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The camera does not record the shooting direction.
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