40
There is no
power
supply,
even when
an external
battery is
connected
(the
external
power LED
(orange)
does not
light).
Does the
external
battery
provide the
current of at
least 1 A?
Use an external
battery that
provides a voltage
of 5 V DC and
current of at least
1 A.
The inter-
nal battery
dis-
charges
almost
immedi-
ately.
Is the internal
battery fully
charged?
Fully charge the
internal battery
before using it.
-
Does the
internal
battery
discharge very
quickly after it
was fully
charged?
The internal battery
has reached the
end of its service
life and must be
replaced. Contact
your Brother dealer
for more
information about
purchasing a
replacement
battery.
-
The edges
or corners
of the
image on
the display
screen are
not visible.
Has the
position of the
head display
unit been
correctly
adjusted?
Adjust the position
and angle of the
flexible arm and
head display until
you can see the
complete image.
Problem
Check
Action
Page
Summary of Contents for AiRScouter WD-370B
Page 51: ......