Nokia E51

Page 26
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Leaving applications running in the background increases
the demand on battery power and reduces the battery life.
Contacts key
To open the Contacts application, press the contacts key
briefly.
To create a new contact, press the contacts key for a few
seconds.
Calendar key
To open the Calendar application, press the calendar key
briefly.
To create a new meeting entry, press the calendar key for
a few seconds.
E-mail key
To open your default mailbox, press the e-mail key briefly.
To create a new e-mail message, press the e-mail key for
a few seconds.
Multitasking
You can have several applications open at the same time.
To switch between active applications, press and hold the
home key, scroll to an application, and press the scroll key.
To close the selected application, press the backspace key.
Example:  When you have an active phone call and
want to check your calendar, press the home key to
access the menu, and open the Calendar
application. The phone call remains active in the
background.
Example:  When you are writing a message and
want to check a web site, press the home key to
access the menu, and open the Web application.
Select a bookmark or enter the web address
manually, and select 
Go to
. To return to your
message, press and hold the home key, scroll to the
message and press the scroll key.
Memory
There are two types of memory into which you can save
data or install applications: device memory and memory
card.
Free memory
To see how much memory is currently in use, how much
free memory remains, and how much memory is
consumed by each data type, select 
Menu
 > 
Options
 >
Memory details
 > 
Phone memory
 or 
Memory card
.
Tip: To ensure that you have adequate memory,
transfer data regularly to a memory card or
computer, or use File manager to delete files you no
longer need.
After you install applications to a compatible memory
card, installation files (.sis, .sisx) remain in the device
memory. The files may use large amounts of memory and
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