Nokia 810 Installation Manual page 52

User data
Change user
You can save two user profiles in your car phone. The currently
active profile is displayed at all times using two indicators:
User 1
User 2
With the display in standby, press
Scroll to User data, and press
Scroll to Change to user 1
to select the desired option.
The user profile selected is activated.
You may be prompted to enter the PIN code of the SIM card.
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or Change to user 2, and press
Phone memory
You can copy contact data from any compatible mobile phone
that supports Bluetooth wireless technology to your car phone.
Select from the following options:
SIM and phone mem.
This default setting lets you copy the contact data from the
mobile phone SIM card and memory to the car phone
memory.
SIM memory
This option lets you download only the contact data from
your mobile phone SIM card to the car phone memory.
Phone memory
This option copies the entries stored in the phone memory
of your mobile phone to the car phone memory.