Panasonic RX-DT690 Operating Instructions Manual page 4

Power Sources
Battery
life
When the batteries are worn,
"STANDBYO
" indicator goes off
(or
dims) during play, or the indication
on the display
panel flashes'
ln this cases,
replace all
the batteries
with
new
ones'
Battery removal
Remove
as shown
in the
figure below.
Bottom of the
unit
lnsert your finger
into the opening
and push the
batteries out.
Memory back-uP batteries
ln
the event
o{
a
power failure,
or if the AC power cord
is
disconnected
Irom the
household
AC
power outlet (during
AC
operation), or should the batteries fail,
the
memory back-up batteries
will
preserve the
preset memory and the timer
functions o{
this
unit'
Please
read
"Use of
batteries"
on
page 6'
Battery installation
lnsert four
R6/LR6 (UM-3 or
equivalent,
not
included) batteries into
the battery compartment, making sure that the batteries
are installed
in the
designated numerical
order that
the
proper polarities are
maintained.
Car Battery OPeration
lnsert
the
plug of the car battery cord into
the DC lN
jack'
Plug the other end into the cigarette lighter socket in your car'
UpJn plugging the car
battery cord into
the DC
lN
jack, the
unit
will
automatiCally switch from internal battery to
car battery operation'
Battery removal
Press
the Q
side of
the battery No.
4
Battery
lift
K@@
@
art
The life ol the memory back-up batteries is
about one year'
o
The life
of the
memory back-up batteries
can be
prolonged
by
keeping
the AC power
cord
plugged
in the
household
power
outlet at all times.
r
When disconnecting the AC power cord, switch off the
power first
using
the
Power button.
o
The life of
the
memory back-up batteries
is
reduced
if the
AC
power cord is disconnected from
a
household
AC outlet with the
power still suPPlied.
o
White exchanging
the
memory back-up batteries,
be
sure
to
connect
the AC power
cord both to
the
unit and to
the household
AC outlet.
4
STANDBYO
indicator
-
lr
I
r--=-:-l
I
(mml
/ar
ra
EE
n0
oo
Cigarette
lighter
socket