Canon EOS-1D X Mark III Advanced User's Manual page 699

[GPS]
Specify the GPS operating mode.
In [Mode 1], the camera continues to acquire GPS signals at regular intervals with the
power switch set to <
In [Mode 2], the camera acquires GPS signals with the power switch set to <
Setting the power switch to <
auto power off is activated, the camera continues to receive GPS signals at regular
intervals.
When acquiring GPS signals, use the camera outdoors where the sky is unobstructed and
aim it up, keeping your hand and other objects off the top. Signal acquisition under favorable
conditions takes approx. 30–60 sec., and then [
Shots taken when [
Caution
When [Mode 1] is set, the camera continues to acquire GPS signals at regular
intervals even with the power switch set to <
faster and reduces the number of shots available. Set to [Disable] if you will not
use the camera for some time.
If auto power off continues for an extended period in [Mode 2], the battery will be
drained faster and fewer shots will be available. Set the power switch to <
you will not use the camera for some time.
> or even <
> also deactivates GPS features. Note that after
] is lit are geotagged.
>.
] is lit on the rear LCD panel or screen.
>, which drains the battery
699
>.
> if