3810 HD (250-3571) Keyboard Functions Faxback Doc. # 1451 Your computer's keyboard consists of four sections: the arrow (cursor) keys, the function keys, the typewriter keys, and the numeric keypad area. The functions of many of the keys depend on the programs you use. Refer to your software's documentation for more information about the functions of keys. You can also control computer functions by using key combinations. To use a key combination, press and hold down the first key. Then, press the other key(s) in the sequence indicated. For example, pressing and holding down FN and then pressing F7 turns off the computer LCD and backlight. Pressing any key turns the LCD and backlight back on. Special Key Combinations: The following key combinations have special significance to the computer processor or screen. FN + F1 (Color)--lets you select from various shades of gray when Max Contrast is disabled in Setup383. Choose the setting that works best with the software you are using. Note: The setting you select using this key combination updates the computer CMOS. FN + F2 (Video)--switches between the built-in screen, an external monitor, or both. Note: This key combination might not operate with some software. Power Management Key Combinations: If you need to interrupt your work, you can put one or more computer functions in a standby mode to conserve battery power. FN + F3 (Speed)--Switches the speed of the processor between fast (25 MHz) and slow (12.5 MHz). At the fast setting, the POWER indicator is green. At the slow setting, the indicator is orange. FN + F4 (Disk)--Turns off the hard disk drive motor. The next time the computer accesses the drive, it automatically turns back on. FN + F5 (Spkr)--Turns off the internal speaker. Press FN + F5 again to turn the speaker back on. FN + F6 (Bright)--Changes the backlight brightness setting. Press and hold down FN. Then, repeatedly press F6 to step through the three stages of backlight brightness (low, medium, and high). FN + F7 (Display)--Turns off the LCD and its backlight. Press any key to turn the LCD and backlight back on. FN + F8 (Serial)--Disables the serial port and modem. Press FN + F8 again to enable the port and modem. FN + F10 (Standby)--Turns off the hard disk drive motor, the LCD and its backlight, and slows the CPU speed. Pressing any key turns the LCD and backlight back on. As you continue your work, the hard disk drive turns on the next time you need it and the CPU returns to the normal speed. Arrow (Cursor) Keys: The arrow keys at the lower right of the keyboard move the cursor. Pressing an arrow key moves the cursor one position in the direction of the arrow Holding down an arrow key automatically repeats the action in some programs. Function Keys: The operations of the function keys (F1,F2,F3, etc.) depend on the programs you use. When used with the FN key, these keys perform special functions for your computer. Typewriter Keys: The typewriter keys on your computer are similar to the keys on a standard typewriter. However, there are some non-standard keys on the computer. The following non-standard keys have special characteristics on your computer. * FN--Use the FN (function) key in combination with certain keys to control special hardware functions of the 3810 HD. See "Special Key Combinations." * ALT--Use the ALT (alternate) key in combination with other keys to perform specific operations. To use an ALT key combination, hold down ALT, and press the other key(s). Note: In some programs, the right and left ALT keys are not interchangeable and might be used to perform separate functions. Your 3810 HD has only a left ALT key, but you can press FN + ALT to emulate a right ALT key function. * CTRL--The CTRL (control) key is used with other keys to perform specific operations. To use an a CTRL key combination, hold down CTRL, and press the other key(s). Some programs require the right and left CTRL keys of a 101-key keyboard. The 3810 HD only has a left CTRL key, but you can press FN + CTRL to emulate the right CTRL key function. Numeric Keypad Area: The keyboard's numeric keypad area is similar to a calculator keypad. Press FN + KEYPAD to use the keypad for extensive number entry; the KEYPAD indicator lights green. If the NUMLK indicator is not lit, press NUMLK. The values of the keys on the numeric keypad are 0-9, decimal (.), minus (-), multiplication (*), and division (/). These values are printed in red. Press FN + KEYPAD again to return to the normal keyboard function. You can also use the keyboard's numeric keypad area to emulate other keypad functions of a 101-key keyboard. If you turn off the NUMLK indicator while the keypad is active, the numeric keypad area provides alternate cursor keys, HOME, END, PGUP, PGDN, INS, and DEL. Some programs require you to use the keypad area versions of these keys rather than the separately provided keys. See the diagram at the right for the alternate functions. Press NUMLK to switch between numeric key entry and the alternate functions. Note: The 5 key has no alternate function. Reversing the CTRL and CAPS LOCK keys: The 3810 HD's keyboard comes with the CTRL and CAPS LOCK keys in their standard positions. However, you might want to reverse the positions of these keys. To do so, follow these steps: 1. Exit any program you might be running and turn off the computer. 2. Remove the two screws from the compartment cover on the bottom of the computer. Then, remove the cover. 3. Use a small pointed object, such as the tip of a pen, to set the position of the DIP switch. * Set the switch to 1 to reverse the CTRL and CAPS LOCK key positions. * Set the switch to OFF to restore the standard CTRL and CAPS LOCK key positions. 4. Replace the compartment cover and reinstall the cover's screws. 5. Remove the CAPS LOCK and CTRL keytops using a keytop puller. Then, reverse and re-install the keytops.