Lenovo ThinkPad 390X User's Reference: ThinkPad 390X - Page 31
LCD+External Display, External Display
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Distinctive Functions of Your Computer The following table shows the function of the Fn key combined with keys: Feature and Icon Key Combination Power Mode Functions Fuel-Gauge display on or off Fn+F2 (Windows 98, Windows 95 and Windows NT only) Power mode switching Fn+F11 Power Conservation Functions for Battery Power Standby mode Fn+F3 Suspend mode Fn+F4 Hibernation mode Other Functions Switching between the LCD and the external monitor Fn+F12 Fn+F7 Meaning If you press this key combination, the window for the battery status appears or disappears. You can set parameters for battery status in the window. Note: The Fuel-Gauge program must be activated before you can use this key combination. To activate the Fuel-Gauge program, do the following: 1. Click Start. 2. Move the cursor to Programs, ThinkPad, and then click Fuel-Gauge. During battery power operation, the power mode changes as follows: Maximum Performance Maximum Battery Life Customized The computer enters standby mode. For more information about this mode, see the Online User's Guide. The computer enters suspend mode. For more information about this mode, see the Online User's Guide. The computer enters hibernation mode. For more information about this mode, see the Online User's Guide. Computer output is displayed in the following order when an external monitor is attached. LCD+External Display LCD External Display Getting Familiar with Your Computer 15