Using Fn Hot Keys The Fn key combined with another key is a hot key—a shortcut key sequence for various system controls. For an external keyboard, CTRL+ALT is normally equivalent to the Fn key. Table 1-4. Fn Hot Keys Resetting the OmniBook 1. Use a pen or a straightened paper clip to push the system-off button on the bottom of the OmniBook. (The switch is on the motherboard.) –or– Press and hold the blue power button until the display shuts down. (The switch is on the I/O PCA.) 2. After the computer shuts down, press the blue power button to turn it back on. Note The OmniBook can boot from a CD if both of these conditions are true:
• You have a bootable CD in the drive, such as the OmniBook Recovery CD, and • You select the CD-ROM drive as the boot device. You can do this during reboot by pressing ESC to cancel the OmniBook screen, then ESC to display the boot-device menu for a one- time selection. HP OmniBook XE2 Product Information 1-7 Hot Key Effect Fn + F1 Decreases the display’s contrast (DSTN displays only). Fn + F2 Increases the display’s contrast (DSTN displays only). Fn + F3 Enters Suspend mode (Windows 98); enters Standby mode (Windows 95, Windows NT). Fn + F4 Enters Suspend mode. Fn + F5 Enters Hibernate mode. Fn + F6 Toggles the sound on and off (mutes sound).
Fn + F12 Switches among the built-in display, an external display, and simultaneous displays. Fn + NumLock Toggles Scroll Lock on and off. Fn + UP ARROW Fn + DOWN ARROW Increases and decreases the sound volume.