Barnes & Noble NOOK BNTV250, Руководство пользователя

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130 Barnes & Noble NOOK Tablet User Guide
Controlling Screen Orientation
The Auto-rotate screen option affects the Web browser, books, magazines, and the photo gallery. By default, these
features will switch to “landscape mode” when you rotate your NOOK. You can turn this rotation feature on or off
by checking or unchecking on the Orientation checkbox.
To change the setting of the Auto-rotate screen option, do this:
1. On the Settings screen, tap Screen .
2. On the Screen Settings page, tap the Auto-rotate screen menu choice to check or uncheck its checkbox.
• When the checkbox is checked, the option is turned on. Your NOOK will change its screen orientation
when rotated.
• When the checkbox is unchecked, your NOOK remains in “portrait mode” even when your hold rotate
your NOOK and hold it sideways.
Adjusting the Brightness of the Screen
To adjust the brightness of the screen, do this:
1. On the Setting screen, tap Screen .
2. On the Screen Settings page, tap the menu choice Brightness .
A dialog box appears with a slider bar.
3. Drag the slider bar left or right to dim or brighten the screen.
4. Once the screen is displaying the brightness you want, tap OK .
NOTE: This Settings screen brightness control affects the brightness of the screen generally. Your NOOK also
features a brightness control for books. To adjust the brightness of the screen for a book you are read-
ing, tap the center of the screen to bring up the Reading Tools, tap the
brightness icon, and move the
slider to adjust the brightness of the screen to your liking.
Adjusting the Screen Timeout
When your NOOK has been sitting idle for some amount of time and no activity has taken place (e.g., you haven’t
tapped the screen or pressed any buttons), your NOOK turns off its screen to conserve power. To turn on the
screen again, simply press the NOOK button on the lower front panel.
By default, your NOOK waits 2 minutes before turning off the screen.
To adjust the screen timeout for your NOOK, do this:
1. On the Setting screen, tap Screen .
2. On the Screen Settings page, tap the menu choice Screen timeout .
A dialog box appears with four menu choices:
• 2 minutes
• 5 minutes
• 15 minutes
• 1 hour