NOOK User Guide
Power and Charging
17
To turn your
NOOK
on, display the touchscreen, awaken your
NOOK
from sleep, or cause your
NOOK
to sleep, press the power button for about 1 second and then release it.
To turn your
NOOK
off, press and hold the power button for about 5 seconds, until the reading
screen is white and the touchscreen is dark. Then release the power button.
Power Management
Your
NOOK
uses quite modest amounts of power compared to a laptop computer. It uses a small
amount of power to turn a page on the reading screen, but no power to keep the page displayed.
The touchscreen does use power when it is lit. After 72 hours of sleep, your
NOOK
turns off
automatically to conserve battery charge.
To allow you to manage power use, and to give you the experience that suits your reading habits,
you can configure two inactivity periods:
•
Touchscreen timer
: Time from last touchscreen activity until the touchscreen backlight
is turned off. You can choose among 10, 30 (the default), and 60 seconds. The touchscreen
backlight is dimmed by 50% after half of this time period (5, 15, or 30 seconds). To set the
touchscreen timer, tap
settings > Display > Touchscreen timer
.
•
Sleep timer
: Time from last activity (touchscreen or button presses) until your
NOOK
sleeps.
During sleep, a screensaver image is displayed on the reading screen and the touchscreen is unlit.
You can choose among 2, 5 (the default), 10, 15, and 20 minutes. To set the sleep timer, tap
settings > Display > Sleep timer
.
Low Charge Alerts
Your
NOOK
has two low-charge alerts:
Low charge alert
:
When the battery charge is rather low (about 15% charge), your
NOOK
displays a message to
charge it. You can dismiss the message and continue using your
NOOK
, but you should charge it as
soon as possible. To extend the time that the charge lasts, you can turn Airplane mode on, which
disables all wireless connectivity. If you turn Airplane mode on, you cannot access your online digital
library, The Daily, the Shop, or browse the web.
After your
NOOK
displays the low charge alert, it might turn off wireless connectivity.
When it does, you will not be able to access the your online digital library, The Daily, the
Shop, or browse the web until you charge your
NOOK
.
Critically low charge alert
:
Summary of Contents for NOOK BNTV 400
Page 1: ...User Guide Version 1 5...
