Alphasmart neo Mode D'Emploi

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Understanding Batteries
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Low battery indicator
The message appears about eight hours before your AA batteries are 
dead and about twenty minutes before your rechargeable batteries 
are dead.
Checking battery status
If you’re curious about how much power is left in your Neo, you can 
check the battery status at any time.
To check battery status:
1. Press 
ctrl-
a
-B
. The display shows a picture representing the 
amount of battery power left and a message showing the 
percentage.
2. Press any key to return to your file.
Tips on caring for batteries
To avoid battery leakage in AA batteries, change the batteries as 
soon as they become weak.
Do not drop, puncture, disassemble, mutilate, or incinerate the 
batteries.
Do not leave batteries in hot locations.
When storing rechargeable Neos for several months, fully charge 
them before placing them in storage to avoid damaging the 
batteries. Fully charge them again when you take them out of 
storage.