Barnes & Noble NOOK HD User Guide
17
Airplanes
When using your NOOK on an airplane, be sure to follow the instructions of the flight crew.
To turn your NOOK’s wireless networking on or off, do this:
1. Tap the gear icon in the Status Bar to open the Quick Settings window.
2. Slide the
Wi-Fi
switch on or off. Or slide the
Airplane Mode
switch to on.
Airplane Mode turns off wireless networking but allows other features on your NOOK to work as usual.
3. Tap anywhere outside the Quick Settings window to close it.
Electronic Equipment
If you are around sensitive electronic equipment–for example, if you are in a hospital–ask if you may use your
NOOK. You probably can if you turn off Wi-Fi networking. Settings such as intensive care units might forbid the use
of any electronic device, with or without networking.
Battery
Your NOOK includes a non-replaceable
lithium ion
battery. Do not attempt to replace the battery. If you suspect
your battery is having problems, please contact Customer Service
.
Caution About High Audio Volume
WARNING:
Exposure to loud noise from any source for extended periods of time may affect your hearing. The
louder the volume, the faster your hearing may be affected. To protect your hearing:
• Limit the amount of time you use headsets or headphones at high volume.
• Avoid turning up the volume to block out noisy surroundings.
• Turn the volume down if you can’t hear people speaking near you. If you experience hearing
discomfort, including the sensation of pressure or fullness in your ears, ringing in your ears, or
muffled speech, you should stop listening to the device through your headset or headphones
and have your hearing checked.
Caring for Your NOOK
To take the best possible care of your NOOK, please follow the recommendations below.
Temperature Ranges
Your NOOK should function as designed in these temperature ranges:
Use
Fahrenheit Celsius
Charging 41-95° F
5-35° C
Operation 32-95° F
0-35° C
Storage 5-113° F
-13-45° C
Outside of these ranges, your NOOK might develop power, display, and/or software issues. If temperatures are
extremely cold or hot, permanent physical damage can result. Such damage is not covered by the warranty. Storage
applies to temporary locations like the trunk of your car (or other motor vehicle) as well as long-term storage.
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