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White Paper
Z500a
3 June 2004
Key functions and features
This phone is the next step in imaging for Sony Ericsson
products. The evolution of mobile communications
towards imaging will greatly increase the scope for new
applications and services. In the area of multimedia in
mobile phones, Sony Ericsson can show its vast
experience in consumer electronics and entertainment –
music, pictures and games – as well as its mobile
technology leadership.
EDGE
EDGE (Enhanced Data rates for Global Evolution)
enhances all the benefits of GPRS by providing
significantly higher data rates. In addition, services are
made feasible by EDGE that require more bandwidth and
speed than GPRS can offer. Alternatively, the added
bandwidth can be used as capacity for additional
customers. Higher data rates are achieved using new
modulation schemes on the air interface.
Device Management
The Z500a supports Open Mobile Alliance Device
Management (OMA DM) which allows for the remote
configuration and updating of settings for purposes such
as web browsing and synchronization. Service providers
benefit because OMA DM allows for efficient
reconfiguration of phones in the field without requiring
consumers to visit a retail location or call a customer
service representative. Network changes such as new IP
addresses can quickly be configured in numerous
devices. Consumers benefit because the manual effort
needed to modify settings can be avoided.
Displays
Internal
An eye-catching feature of this phone is the large color
display. It measures 128 pixels wide and 160 pixels high
in portait mode and has 65,536 colors, allowing high-
quality color imaging and video.
External
The phone has an appealing clamshell design with an
external color display. The external display measures 96
pixels wide by 64 pixels high and has 4,096 colors. It
offers at-a-glance phone status and access to some phone
features without opening the clamshell. The standby
screen for the external display shows the service
provider, time, date, signal strength, battery charge level,
and other information.
Voice control capability is also supported with the
clamshell closed. This capability can be accessed with a
long press on the upper side volume key or the portable
handsfree button. It can also be accessed using the
“magic word” that activates voice control.
A long press on the camera button with the clamshell
closed makes the external display function as a view
finder. Zoom is controlled with the upper and lower side
volume keys.
When the clamshell is open, the external display can be
customized with the text or logo chosen by the customer.
Details can be specified along with other customization
parameters.
System
This phone supports GSM-EDGE/GPRS and is a triple
band mobile phone (850, 1800, 1900 MHz).
Multimedia (streaming and
download)
By streaming media such as audio and video clips,
multimedia is available in virtual realtime with minimal
downloading or waiting time. Media can also be
downloaded and saved in the phone memory and then
used with the Media player. Media such as audio files,
video clips or slide shows can be played back at any
time.