Canon EOS 7D Mark II (G) Instruction Manual page 213

Logging the Route Traveled
Use the provided interface cable or one from Canon (p.478). When
connecting the interface cable, use the provided cable protector (p.34).
The GPS antenna is located at the top of the camera's body. For this
reason, even when carrying the camera, such as in a bag, try to keep the
top of the camera facing upwards, and do not place anything on top of it.
Set the camera time and date as accurately as possible. Also, set correct
time zone and daylight saving time for the shooting location.
Since the geotag information, date, and time are constantly recorded
even when the camera is turned off, the battery will keep draining. When
you use the camera again, the battery level may already be low. If
necessary, recharge the battery or prepare a charged, spare battery
(sold separately).
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