Nokia 702 用户手册

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页码 154
Tools
121
Activation keys—Handle 
copyright-protected files
Copyright protections may prevent some images, ringing 
tones, and other content from being copied, modified, 
transferred, or forwarded.
Press 
, and select 
Tools
 
>
 
Activation keys
 to view the 
digital rights activation keys stored in the device.
• Valid  keys  (
) are connected to one or more media 
files.
• With expired keys (
), you have no time to use the 
media file, or the time period for using the file is 
exceeded. To view the 
Expired
 activation keys, press 
• To buy more usage time or extend the usage period for 
a media file, select an activation key, and 
Options
 
>
 
Activate content
. Activation keys cannot be updated if 
Web service message reception is disabled. See "Web 
service messages" on 
page 76.
• To view which keys are not in use at the moment (
Not 
activated
), press 
 twice. Unused activation keys have 
no media files connected to them saved in the device. 
• To view detailed information such as the validity status 
and ability to send the file, select an activation key, and 
press 
.