3
OP
EN
BATTERY OPERATION
Slide the battery lid in the
direction of the arrow.
Insert two AA batteries
according to the mark
on the battery lid.
Slide back the battery lid,
make sure that it snap in
place.
When the batteries become weak, the sound becomes weak
and the display flashes. Please reduce the volume or replace
the batteries with new ones to avoid message losing.
BATTERY REPLACEMENT
Turn off the unit and then replace the batteries with fresh ones
as soon as possible otherwise the messages will be lost and
clock reset to
12 00 am.
Do not mix different types together, or old batteries
with new ones.
When the unit is not being used for a long period of
time, remove the batteries to avoid damage from
battery leakage and corrosion.
AC ADAPTOR OPERATION
Plug the adaptor into an AC power outlet.
Insert the adaptor's small connector plug into the DC
JACK marked on the unit.
Turn on the unit.
If the AC adaptor is connected when regular batteries
are installed, the unit automatically switches to the
AC adaptor power and the batteries are not used.
Make sure the polarity of the AC adaptor suits your
unit before plugging it into the AC power outlet, the
correct mark is as follows:
External power supply can be chosen from 3V to 4.5V.
A
C
P
o
w
e
r
O
u
tl
e
t
TUN.
V
O
L
D
C
3V
R
ig
h
t
S
id
e
If battery leakage occurs, wipe the battery compartment
with a soft cloth before inserting the new ones.
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