Turning The Radio On And Off - Blackberry RIM 850 Installation & Getting Started Manual

To turn on the handheld
To turn on your pager-sized handheld, click (press
down) the trackwheel.
To turn on your palm-sized handheld, press the silver
key.
To turn off the handheld
When you want to turn off your pager-sized handheld,
scroll to the POWER OFF icon and click.
When you want to turn off your palm-sized handheld,
scroll to the POWER OFF icon and click. You can also
press and hold the silver key to turn off the handheld.

Turning the radio on and off

When you first receive your handheld, the wireless radio will be
turned off. You must turn on the radio before you can send and
receive messages.
In the Home screen, scroll to the TURN WIRELESS ON icon
and click.
Getting started — Turning the radio on and off
Installation and Getting Started Guide
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