Nikon D810 - Manual (Page 380)

356
Select Disable to disable the a button,
preventing live view from starting
accidentally.
Choose the function assigned
to the B button on the
optional MB-D12 battery
pack.
f14: Live View Button Options
G
button ➜ A Custom Settings menu
f15: Assign MB-D12 AF-ON
G
button ➜ A Custom Settings menu
Option Description
A
AF-ON
Pressing the MB-D12 B button initiates
autofocus.
F
AF lock only
Focus locks while the MB-D12 B button is
pressed.
B
AE/AF lock
Focus and exposure lock while the MB-D12 B
button is pressed.
C
AE lock only
Exposure locks while the MB-D12 B button is
pressed.
D
AE lock (Reset
on release)
Exposure locks when the MB-D12 B button is
pressed, and remains locked until the button is
pressed a second time, the shutter is released, or the
standby timer expires.