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This section lists the indicators and error messages that appear
in the viewfinder, control panel, and monitor.
Error Messages
Indicator
Problem
Solution
Control
panel
View-
finder
B
(flashes)
Lens aperture ring is
not set to minimum
aperture.
Set ring to minimum aperture
(highest f-number;
H
d
Low battery.
Ready a fully-charged spare
battery (
H
(flashes)
d
(flashes)
•
Battery exhausted.
•
Recharge or replace battery
(
•
Battery cannot be
used.
•
Contact Nikon-authorized
service representative.
•
An extremely
exhausted
rechargeable Li-ion
battery or a third-
party battery is
inserted either in the
camera or in the
optional MB-D18
multi-power battery
pack.
•
Replace the battery, or
recharge the battery if the
rechargeable Li-ion battery is
exhausted.
•
High battery
temperature.
•
Remove battery and wait for
it to cool.
Summary of Contents for D850
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