Blackberry 857 Cell Phone User Manual


 
Installation and Users Guide
Get to know your handheld Handheld components
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performing basic mathematical calculations. The Home screen
displays the current signal strength and battery level of the
handheld.
In low light conditions, you can increase the readability of the LCD
by using the backlighting feature. To activate backlighting, press the
silver key once. The backlight will shut off automatically if you do
not press any keys or use the trackwheel for more than 20 seconds.
(You can manually turn off the backlighting by pressing the silver
key again.)
Keyboard and trackwheel
The 33-key QWERTY keyboard provides access to all of the regular
alphabetic characters; numeric characters, a symbols library,
punctuation, and special characters can be generated using the
orange
ALT key in combination with the other keys. For easy typing,
hold the device in both hands and use your thumbs. Roll and click
the trackwheel for navigation and selection.
A trackwheel that clicks!
The trackwheel on the handheld has a unique feature for greater
usability and performance: it clicks! Pressing down on the
trackwheel with your thumb is comparable to the clicking function
of your PC mouse. Click to open menus and to select functions and
menu options.
Holster (belt clip)
A holster, equipped with a belt clip, accompanies the handheld.
While in the holster, the handheld is protected and wearable. You
can choose different forms of message notification based on whether
the handheld is in or out of the holster.
When you receive a new message and remove the handheld from
the holster within five seconds, notification (based on how youve
set it) stops and the most recently received message will be open. If