Nikon KeyMission 80 Reference Manual page 90

Problem
The battery
inserted in the
camera cannot be
charged.
The monitor is
hard to see.
O flashes on the
screen.
Date and time of
recording are not
correct.
No information
displayed on the
screen.
Screen for setting
date and time is
displayed when
the camera is
turned on.
The camera
settings reset.
Technical Notes
Troubleshooting
Confirm all connections.
When connected to a computer, the camera may not
charge for any of the reasons described below.
- Off is selected for Camera settings M Charge by
computer in the setup menu.
- Battery charging stops if the camera is turned off.
- Battery charging is not possible if the camera's display
language and date and time have not been set, or the
date and time were reset after the built-in rechargeable
battery was exhausted. Use the Charging AC Adapter to
charge the battery.
- Battery charging may stop when the computer enters
sleep mode.
- Depending on the computer specifications, settings,
and status, battery charging may not be possible.
The surrounding area is too bright.
- Move to a darker place.
Adjust the screen brightness.
Change the background color of the screen.
If the camera clock has not been set, O flashes on the
shooting screen, and images and movies saved before the
clock is set are dated "00/00/0000 00:00" and "01/01/2016
00:00" respectively. Set the correct time and date for
Camera settings M Date and time in the setup menu.
The camera clock is not as accurate as ordinary watches or
clocks. Periodically compare the time of the camera clock
with that of a more accurate timepiece and reset as
required.
Camera settings M Monitor settings M Photo info in
the setup menu is set to Hide info.
The built-in rechargeable battery is exhausted; all settings
were restored to their default values. Configure the camera
settings again.
Cause/Solution
74
A
10
31, 48
–
12
–
–
–
45
45
5, 44
45
–