26
Observing Operating Precautions
Observe the following precautions when operating the system:
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When restarting the system, use the operating system controls instead of turning the power
switch off and on. Use the power switch only when instructed, or as the last alternative for
restarting the system.
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Never turn off power to the base unit when the disk access LED is lit.
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After turning off power to the base unit, wait at least 30 seconds before turning the power
on again
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Run virus scan software periodically to ensure that your system’s files and programs are
not corrupted.
Using the Keyboard
The system’s keyboard includes the following features:
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PS/2 compatibility.
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104 standard keys.
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Function keys (
F
1 through
F
12) for special functions used by application programs.
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Windows keys at the bottom, for use with the Windows NT and Windows 95 operating
system. Pressing either Windows Logo key displays the operating system Start menu.
Pressing the Application Logo key displays an application-specific pop-up menu.
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Arrow keys for moving the cursor up, down, right, and left on the screen.
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Numeric keys in a numeric keypad.
Some keyboard keys have special functions, as follows:
Key
Function
ESC
Usually assigned to an application-specific function; often used to exit.
PRINT SCRN
Depending on the application in use, prints the displayed screen to a
printer.
SCROLL LOCK
Prevents the screen from scrolling.
PAUSE
Temporarily suspends screen scrolling or some operations.
CAPS LOCK
Types all letters as capitals.
NUM LOCK
Activates the numeric keypad.
CTRL
Used with another key for application-specific functions.
