Philips CD4450B - How to Adjust the Contrast; How to Rename the Handset

Use more of your phone
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There are three phonebook groups (Group A,
B, C) available for you to organize your
contacts. Each group can be assigned a unique
melody.
Press to access the main menu
Press / to select PERSONAL SET
Press to select HANDSET TONE
Press and / to select GROUP
MELODY
Press and / to scroll to your
desired group (GROUP A, GROUP B,
GROUP C)
Press and / to scroll to your
desired group melody
Note
The phone will play the corresponding melody
when browsing the melody list.
Press to save the settings
5.6.1.4 How to turn on/off the key tone
A single beep is emitted when a key is pressed.
You can turn off or turn on the key beep. By
default, the key beep is ON.
Press to access the main menu
Press / to select PERSONAL
SET
Press to select HANDSET TONE
Press and / to select KEY
TONE
Press and / to select ON or
OFF
Press to save the settings.
5.6.1.5 How to activate/deactivate the
keypad lock
Press and hold
• KEYS LOCKED is displayed if keypad lock is
activated.
Press and hold again to deactivate the
keypad lock
• KEYS LOCKED is disappeared if keypad lock
is deactivated.
Tip
You can also deactivate the keypad lock by
removing and replacing the batteries of the
handset.
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5.6.1.6 How to turn on/off the first ring
If you have subscribed for Caller ID service with
your service operator, your phone can suppress
the first ring before the Caller ID.After
resetting, your phone will automatically detect if
Caller ID service is subscribed and start to
suppress the first ring.You can change this
settings to suit your preference.
Press to access the main menu
Press / to select PERSONAL SET
Press to select HANDSET TONE
Press and / to select FIRST
RING
Press and / to select ON or
OFF
Press to save the settings
5.6.2 How to adjust the contrast
There are five contrast level options (LEVEL 1,
LEVEL 2, LEVEL 3, LEVEL 4 and LEVEL 5).
Press to access the main menu
Press / to select PERSONAL SET
Press and / to select
CONTRAST
Press and / to scroll to your
desired contrast level
Note
The contrast effect will display when browsing
different contrast levels.
Press to save the settings
5.6.3 How to rename the handset
You can rename your handset and display the
handset name in idle mode.
Press to access the main menu
Press / to select PERSONAL SET
Press and / to select
HANDSET NAME
Press to enter the handset name
Note
The maximum length of the handset name is 10
characters.
Press to save the settings
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