10
any
power
source.
Then
contact
your
supplier’s
technical
support
office
for
repair.
Do
not
service
or
perform
maintenance
on
the
device
while
the
device
is
in
use.
Make
sure
to
shut
the
device
down
and
unplug
all
cables
before
starting
and
service
or
maintenance
work
on
the
device.
2.1
Power
Supply
and
Batteries
The
PT
‐
80
device
contains
one
rechargeable
battery.
All
rechargeable
batteries
degrade
over
time.
Thus,
the
possible
usage
times
for
the
PT
‐
80
after
a
full
charge
can
become
shorter
over
time
compared
to
when
the
device
was
new.
The
PT
‐
80
device
uses
a
Li
‐
ion
Polymer
battery.
If
you
are
in
a
hot
environment,
be
aware
that
it
can
affect
the
ability
to
charge
the
battery.
The
internal
temperature
must
be
between
0
℃
/32
℉
and
45
℃
/113
℉
for
the
battery
to
charge.
If
the
internal
battery
temperature
rises
above
45
℃
/113
℉
the
battery
will
not
charge
at
all.
Avoid
exposing
the
PT
‐
80
device
to
fire
or
to
temperatures
above
60
℃
/140
℉
.
These
conditions
may
cause
the
battery
to
malfunction,
generate
heat,
ignite
or
explode.
Be
aware
that
it
is
possible,
in
a
worst
‐
case
scenario,
for
temperatures
to
reach
greater
than
those
stated
above
in,
for
example,
the
trunk
of
a
car
on
a
hot
day.
Only
charge
the
PT
‐
80
battery
in
an
ambient
temperature
of
0
℃
/32
℉
to
45
℃
/113
℉
.
Use
only
the
supplied
power
adapter
to
charge
the
PT
‐
80
device.
Using
unauthorized
power
adapters
may
severely
damage
the
PT
‐
80
device.
For
safe
operation
of
the
PT
‐
80
device,
use
only
charger
and
accessories
approved
by
Device
Manufacturer.
If
the
Power
Supply
Cord
is
damaged
it
needs
to
be
replaced
by
Service
Personnel
only.
Do
not
use
the
Power
Supply
Cord
until
replaced.
Disconnect
the
AC
power
plug
of
the
Power
adapter
from
the
wall
socket
when
not
charging
the
device
and
disconnect
the
power
cable
from
the
device.
Special
regulations
apply
to
shipping
devices
containing
Li
‐
Ion
Polymer
batteries.
If
dropped,
crushed,
or
short
‐
circuited,
these
batteries
can
release
dangerous
amounts
of
heat,
may
ignite,
and/or
may
be
dangerous
near
fires.
The
plug/adapter
plug
pins
insulate
the
device
from
the
power
supply.
Do
not
position
the
device
in
a
position
where
it
is
difficult
to
disconnect
the
device
from
power
safely
terminate
operation
of
the
device.
2.2
Temperature
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