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Short user manual
M550
M555
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.
Overview
1
Earpiece
Loudspeaker
(back of the
handset)
Microphone
In call
Phonebook
Access the redial list.
Increase the volume.
Decrease the volume.
End calls.
Turn the speaker on/off.
Mute/unmute the microphone.
Enter a pause (press and hold).
Standby
Access the main menu.
Access the redial list.
Phonebook
Call log
Make and receive calls.
Make an intercom call (press and hold).
For multi-handset version only.
Switch the handset on or off (press and hold).
Lock the keypad (press and hold).
Make and receive calls.
In menu
Confirm / Select / Enter the option menu.
Cancel
Up / down
Exit menu.
In text input
Delete a character.
Delete all characters (press and hold).
Enter a space.
Switch upper/lower case (press and hold).
Display icons
Find handset
Display icons
The number of bars indicates the connection
status between the handset and base station.
The more bars are shown, the better the signal
strength is.
It remains steadily on when browsing answered
incoming calls in the call log.
It indicates an outgoing call in the redial list.
It flashes when there is a new missed call or when
browsing new missed calls. It remains steadily on
when browsing the missed calls in call log that are
already read.
It flashes when receiving incoming call. It
remains steadily on during a call.
The speaker is on.
The ringer is off.
Answering machine: it flashes when there is
a new message or when the memory is full.
It remains steadily on 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 displays when you scroll up/down a list or
increase and decrease the volume.
There are more digits on the right. Press to
read.
ECO+
The ECO+ mode is activated.
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