Toshiba Qosmio G10-105 User Manual page 110

Display selection: Press Fn + F5 to change the active display device.
When you press these hot keys, a dialog box appears. Only selectable
devices will be displayed. Hold down Fn and press F5 again to change the
device. When you release Fn and F5, the selected device will change. If
you hold down these hot keys for five seconds the selection will return to
LCD.
During the Monitor-in mode, Fn + F5 is not available.
LCD Display Brightness: Pressing Fn + F6 decreases the display
brightness in decrements. When you press these hot keys, the current
setting will be displayed for two seconds by a pop-up icon. You can also
change this setting through the Screen brightness item of the Basic Setup
tab in TOSHIBA Power Saver.
LCD Display Brightness: Pressing Fn + F7 increases the display
brightness in increments. When you press these hot keys, the current
setting will be displayed for two seconds by a pop-up icon. You can also
change this setting through the Screen brightness item of the Basic Setup
tab in TOSHIBA Power Saver.
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The brightness level is always set at the maximum value for about
18 seconds, when the LCD turns on. After 18 seconds, the brightness
level will appear at the Power Save Mode setting or you can change it
manually.
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Display clarity increases with the brightness level.
User's Manual
The Keyboard
5-5