Canon EOS-1D X Mark III Advanced User's Manual page 889

[Battery communication error. Does this battery/do these batteries
display the Canon logo?] is displayed.
Do not use any battery packs other than a genuine Canon Battery Pack LP-E19.
Remove and install the battery again (
If the electrical contacts are dirty, use a soft cloth to clean them.
The battery becomes exhausted quickly.
Use a fully charged battery (
The battery performance may have degraded. See [ : Battery info.] to check the
battery's recharge performance level (
battery with a new one.
The number of available shots will decrease with any of the following operations:
• Pressing the shutter button halfway for a prolonged period.
• Activating the AF frequently without taking a picture.
• Using the lens's Image Stabilizer.
• Using GPS.
• Using the screen frequently.
• Continuing Live View shooting or movie recording for a prolonged period.
• Using the wireless communication functions.
The camera turns off by itself.
Auto power off is in effect. To deactivate auto power off, set [ : Auto power off] to
[Disable] ( ).
Even if [ : Auto power off] is set to [Disable], the screen still turns off after the camera
is left idle for approx. 30 min. (although the camera itself remains on).
).
).
). If the battery performance is poor, replace the
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