Nokia N81 - Manual (Page 98)

Applications
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Some activation keys may be connected to a specific SIM
card, and the protected content can be accessed only if
the SIM card is inserted in the device.
To view the digital rights activation keys stored in your
device, press
, and select Applications > Media >
Actv. keys and from the following:
Valid keys —View keys that are connected to one or more
media files and keys whose validity period has not started
yet.
Invalid keys —View keys that are not valid; the time period
for using the media file is exceeded or there is a protected
media file in the device but no connected activation key.
Not in use —View keys that have no media files connected
to them in the device.
To buy more usage time or extend the usage period for a
media file, select
Options > Get new key .
To view detailed information, such as the validity status
and ability to send the file, scroll to an activation key, and
press .
Adobe Reader
With Adobe Reader, you can read .pdf documents on the
display of your device.
This application has been optimized for .pdf document
content on handsets and other mobile devices, and
provides only a limited set of features compared with PC
versions.
To open documents, press , and select Applications >
Office > Adobe PDF . Your recent files are listed in the file
view. To open a document, scroll to it, and press .
Use File mgr. to browse and open documents stored in the
device.
More information
For more information, visit www.adobe.com.
To share questions, suggestions, and information about the
application, visit the Adobe Reader for Symbian OS user
forum at http://adobe.com/support/forums/main.html.
Converter
To convert measures from one unit to another, press ,
and select Applications > Office > Converter .
Converter has limited accuracy, and rounding errors may
occur.
1 In the Type field, select the measure you want to use.