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BATTERY LIFE
To check your Rugged Book's battery life, press fn + the battery key.
The LED light will flash one of the following three ways:
1. 3 green flashes = 50% or more battery life
2. 2 yellow flashes = 25-49% battery life
3. 1 red flash = less than 25% battery life
When your Rugged Book reaches critical battery level, the red LED
light will flash once every five minutes.
To help preserve battery life, the Rugged Book will enter sleep
mode if left on and not used for several minutes. To awaken your
Rugged Book, press any key. The Rugged Book's battery has no
memory and can be charged whenever you wish.
fn
ctrl
9
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