switel DC2000 Manuel De L'utilisateur page 29

Select base (ADVANCED SET -> REGISTRATION -> SELECT BASE)
If the handset is registered to several base stations, you can select the
active base.
Change PIN (ADVANCED SET -> PIN)
The 4-digit PIN is used to register or deregister a handset and in some
settings. On delivery, it is "0000". If you forget your PIN, you need to reset
your device.
Reset (ADVANCED SET -> RESET UNIT)
Your phone will be reset to the factory settings. Entries stored in the
phonebook are retained.
Prefix (ADVANCED SET -> PREFIX)
You can set the phone to detect a number and replace it with another
number. The number to be recorded can be up to 5 digits long. It can be
replaced by a number up to 10 digits.
Select country (ADVANCED SET -> SEL. COUNTRY)
Select a country from the list to set the network parameters of the phone
to be compatible with that country. The display language is also adjusted.
Intrusion (ADVANCED SET -> INTRUSION)
During an external call, another handset registered to the base station can
join in and make the call a three-way call by simply pressing the talk key.
ECO mode (ADVANCED SET -> ECO MODE)
Your phone has an ECO mode feature that reduces transmit power and
energy consumption during a call. When the ECO mode is on, the range of
the handset is reduced.
ECO plus (ADVANCED SET -> ECO PLUS)
If ECO PLUS is activated and the unit has not been used for one minute,
the transmission power between the handset and the base station will be
switched off. An incoming call or pressing any key activates the connection
again.
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