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54
T
U
V
e are two handset tones:
keypad tones and confirmation
tones. You can turn these on or
off, the default setting is On.
Keypad tones: when turned on,
you will hear a beep after each
button press.
Confirmation tones: when
turned on, you will hear a tone
after each successful action
or after an error has occurred.
This does not include the
battery charging tone when the
handset is placed on the base/
charger, low battery or out of
range warnings or tones used in
calls such as Call Waiting or
Call Intercept.
There are 5 contrast levels
to choose from. The default
setting is Level 3.
A
V
5
7
7
4
5
8
^
_
Select
Menu
, scroll
5
4
â
Settings
and
press
OK
.
2.
Sounds
is displayed, press
OK
. Press
5
4
â
Tone
adjustment
and press
OK
.
3. Press
5
4
â
7
Standard
,
Increase
treble
or
Increase
bass
and press
OK
.
Saved
is displayed.
`
7
7
4
5
5
S
S
^
_
Select
Menu
, scroll
5
4
â
Settings
and
press
OK
.
2.
Sounds
is displayed, press
OK
. Press
5
4
â
Handset
tones
and press
OK
.
3. Press
5
4
â
Keypad
tones
or
Confirmation
tone
and press
OK
.
4. Press
5
4
â
Tones
on
or
Tones
off
and press
OK
.
Saved
is displayed.
C
7
4
8
he handset display contrast
^
_
Select
Menu
, scroll
5
4
â
Settings
and
press
OK
.
2. Press
5
4
â
Display
and press
OK
.
!
!
"
#
$
%
&
'
(
)
)
!
*
+
!
+
,
!
-
.
!
Содержание BT4500
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