Canon EOS 6D Instruction Manual page 191

Metering timerN
You can change how long the exposure setting is displayed (AE lock
time).
The Live View shooting will stop with any of the following operations. To
resume Live View shooting, press the <0> button again.
• When [z4: Dust Delete Data], [54: Sensor cleaning], [54:Clear all
camera settings], or [54: z Firmware ver.] was selected
• When the shooting mode was changed (example: Basic Zone modes ↔
Creative Zone modes)
3 Menu Function Settings
191