Nikon Z fc N2016 Reference Manual page 117

･ When 4 [Auto] or I [Fluorescent] is selected, you can choose a
sub-option by holding the Fn button and rotating the sub-command
dial.
Option
4 [Auto]
i [Keep white
(reduce warm
colors)]
j [Keep
overall
atmosphere]
k [Keep warm
lighting colors]
D [Natural light
auto]
White balance
Color
temperature*
Approx. 3500–
8000 K
Approx. 3500–
8000 K
Approx. 3500–
8000 K
Approx. 4500–
8000 K
117
Description
White balance is adjusted
automatically for optimal results
with most light sources. If an
optional flash unit is used, white
balance will be adjusted in accord
with the conditions in effect when
the flash fires.
Eliminate the warm color cast
produced by incandescent lighting.
Partially preserve the warm color
cast produced by incandescent
lighting.
Preserve the warm color cast
produced by incandescent lighting.
When used under natural light in
place of 4 [Auto], this option
produces colors closer to those
seen by the naked eye.