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D450
D455
Short user manual
Important safety 
instructions
Warning
•The Electrical network is classified as hazardous. The only way to power down the charger is to unplug the power supply from the electrical outlet. Ensure that the electrical outlet is always easily accessible.
•Refer to safety information before using the product.
•This product complies with European R&TTE directive 1999/5/EC.
•Use only the power supply listed in the user instructions.
•Use only the batteries listed in the user instructions.
•Do not allow the product to come into contact with liquids.
•Risk of explosion if battery is replaced by an incorrect type.
•Dispose of used batteries according to the instructions.
•When the handset rings or when the handsfree is activated, keep the handset away from your ear to avoid hearing damage.
1 Overview
In call
Enter the option menu.
Change the sound profile.
Adjust the volume.
Recall (network dependent).
End calls.
Enter a pause (press and hold).
Turn the speaker on/off.
Mute/unmute the microphone.
In menu
Confirm / Select / Enter the option menu.
Cancel / back
Up / down 
Exit menu.
Standby
Access the main menu.
Access the redial list.
Phonebook
Call log
Make and receive calls.
Switch the handset on or off (press and hold).
Make intercom call (press and hold).
Lock/unlock the keypad (press and hold).
Make and receive calls through the speaker.
D455 only: Press to play new message from the answer machine. / Access to the answer machine menu.
In text input
Delete text.
Enter a space.
Switch upper/lower case (press and hold).
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Display icons |
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Display icons |
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It shows the connection status between the |
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handset and base station.The more bars are |
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shown, the better the signal strength is. |
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It remains steadily on when browsing incoming |
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calls in the call log. |
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It remains steadily on when browsing outgoing |
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calls in the redial list. |
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It flashes when there is a new missed call or |
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Microphone |
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when browsing unread missed calls in call log. It |
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Loudspeaker |
remains steadily on when only old call log exists |
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D450 |
D455 |
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or when browsing the read missed calls in call |
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log. |
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Find handset (bottom)
It remains steadily on when browsing blocked calls in call log.
It flashes when receiving incoming call. It remains steadily on when you are in a call.
The alarm is activated.
The silent mode is set, but is outside of active period.
The speaker is on.
The ringer is off.
The silent mode is set and within active period (the phone does not ring).
D455 only:Answering machine: it flashes when there is a new message or when the memory is full. It is displayed when the telephone answering machine is turned on.
Voice messages indicator: flashes for new messages, is steady for reviewed messages. * This is network dependent.
It is displayed when you scroll up/down a list or increase and decrease the volume.
The Eco mode is activated. 
The ECO+ mode is activated.
2 Connect
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D455 |
D450 |
3
Multi-handset version only.
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