Canon EOS 80D Instruction Manual page 273

With the TS-E17mm f/4L or TS-E24mm f/3.5L II lens, you can use [Mode 1]
or [Mode 2].
Metering timerN

You can change how long the exposure setting is displayed (AE lock
time).
Selecting any of the following menu items will stop Live View shooting. To
start Live View shooting again, press the <0> button.
• [z3: Dust Delete Data], [53: Sensor cleaning], [54: Clear all camera
settings], or [54: z firmware ver.].
3 Menu Function Settings
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