Canon EOS 80D - Manual (Page 331)

331
3 Menu Function Settings
z 5
 Metering timerO
You can change how long the exposure setting is displayed (AE lock
time).
 Grid display
With [3x3 l] or [6x4 m], you can display grid lines to help you
level the camera vertically or horizontally. Also, with [3x3+diag n],
the grid is displayed together with diagonal lines to help you
compose with better balance by aligning the intersections over the
subject.
 V button function
You can set the functions performed by pressing the shutter button
halfway or completely during movie shooting.
If [a/k] or [q/k] is set, besides pressing the <0> button, you
can start/stop the movie shooting by pressing the shutter button
completely or by using Remote Switch RS-60E3 (sold separately, p.221).
Setting Pressed Halfway Pressed Completely
a /- Metering and AF No function (disabled)
q /- Metering only No function (disabled)
a /k Metering and AF Starts/stops movie shooting
q /k Metering only Starts/stops movie shooting
 Even if you set [V btn function] to [q/-] or [q/k], AF will be
performed when you press the shutter button halfway during time-lapse
movie shooting.
 During movie shooting, the [V btn function] setting overrides any
function assigned to the shutter button with [8C.Fn III-4: Custom
Controls].