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Screen and input
==================
The Nokia N900 has a 3.5 in resistive touchscreen with a resolution of
800 ▒ 480 pixel (WVGA, 267 ppi). According to both Nokia and the
Xorg.log, it is capable of displaying up to 65k colours (565 RGB).
Nokia N900 camera capability is 2592x1944 pixels, Carl Zeiss optics,
autofocus, Dual LED flash, video light, geo-tagging The LCD is
transflective to permit usability over a wide range of luminosity
(from daylight to dark). Haptic feedback is provided to touchscreen
input by applying a small vibration or a sound; the user can choose
whether to have this feature enabled. A stylus is provided to allow
more precise touch input and access to smaller user interface
elements. A 3-axis accelerometer allows the orientation of the screen
to change between portrait and landscape mode in certain applications,
or it can be used as user input in games and applications. While the
dashboard or desktop is active, rotating the device from landscape to
portrait mode activates the phone application (a feature that can also
be disabled at user discretion). With update PR1.2, It became possible
to view web pages in portrait mode. Developers may add support for
portrait mode in their applications if desired. There is a proximity
sensor which deactivates the display and touchscreen when the device
is brought near the face during a call.

The slide-out 4-row keyboard and D-pad of the Nokia N810 have been
replaced on the Nokia N900 with a slide-out 3-row backlit keyboard
with arrow keys (as with previous Internet Tablets, an on-screen
keyboard is also available). In addition to the English QWERTY layout,
the slide out keyboard will be available in variants for Italian,
French, German, Russian, Czech, Nordic (Finnish, Swedish), and
Spanish. The Nokia N900 has an ambient light sensor that adjusts the
display brightness and activates the backlit keyboard. The OS comes
with a word prediction software that can be configured to the user
preferences (auto capitalization, word completion, auto spacing
between words).

The device has an autonomous GPS with optional A-GPS functionality and
comes pre-loaded with the Ovi Maps application. Ovi Maps provides
typical mapping features such as alternate views (3D landmarks,
satellite, and hybrid maps), address/places of interest searching, and
route planning, although it does not have turn-by-turn navigation yet.

The 5-megapixel back camera has an autofocus feature, dual LED flash,
4:3 and 16:9 aspect ratio options, and 3▒ digital zoom. The focal
length of this camera is 5.2 mm, the aperture is f/2.8, and the focus
range is 10 cm to infinity. It is capable of video recording at up to
848 ▒ 480 pixels at 25 fps. The lens, while not in use, is protected
by a sliding hatch. Opening the hatch launches the camera application.
Although the 0.3-megapixel front camera is capable of video recording
at up to 640 ▒ 480 pixels and pre-production units could be used for
video calls over IP using Google Talk, the retail version was
delivered without any software enabling video calling or video
chatting. In update PR1.2 OTA (over-the-air) Skype video calling was
added, enabling the fascia camera. With some software updates the
phone becomes capable of play/record/stream 720p video.


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SOURCE: gopher://gopherpedia.com/0/Nokia%20N900
2018/12/17 17:52