Blackberry RIM 850 Installation & Getting Started Manual page 51

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.
Keys and key combinations
The following chart describes special keyboard and trackwheel
combinations that will help you navigate, compose messages, and
configure options on the handheld.
Key
TRACKWHEEL
key
SILVER
Getting to know your handheld — Handheld components
Turning the power on
Click (press down) the trackwheel to
turn on the pager-sized handheld.
Turning the power on/off
• Press the silver key once to turn on
the palm-sized handheld.
• Press and hold the silver key to
turn off the handheld.
Function
Installation and Getting Started Guide
51