Panasonic KX-TM90-B Operating Instructions Manual page 19

Setting the Security
Code Number
The
security
code prevents unauthorized persons from accessing your
unit
and
listening to
your
messages.
Choose
any
3-digit
number
(1 1
1-999).
Factory preset
is
"888".
-j
Press and
hold
[CODE]
until
a long
beep
is
heard.
•The
display flashes the
1st
preset
digit.
2 Press
(SKIP) or
[REPEAT)
until
the
desired
number
is
displayed.
^ Press
and
release
(CODE)
.
oA
beep
is
heard.
•The
display flashes the
2nd
preset
digit.
Repeat
steps
2
and
3
to
set the
2nd
digit
number.
•A
beep
is
heard.
•The
display flashes the
3rd preset
digit.
(~ Repeat steps 2 and 3
to set
the 3rd
digit
number.
•A
beep
is
heard.
[CODE]
To
check
the security
code
number
•The
current security
code
number
is
displayed
digit
by
digit.
Press
and
release
[
CODE
]
.
[REPEAT]
[SKIP]
19