User’s Manual 5-7
L450/L450D
Temporarily using normal keyboard (overlay on)
While using the overlay, you can temporarily access the normal keyboard
functions without having to turn the overlay off:
1. Hold FN and press any other key - this key will operate as if the overlay
were off.
2. Type upper-case characters by holding FN + SHIFT and pressing a
character key.
3. Release FN to continue using the selected overlay function.
Temporarily using overlay (overlay off)
While using the normal keyboard function, you can temporarily use the
keypad overlay without having to turn it on:
1. Press and hold down FN.
2. Check the keyboard indicators as pressing the FN key will turn on the
most recently used overlay function - if the Numeric Mode indicator
lights you can use the overlay for numeric entry, while if the Arrow Mode
indicator lights, you can use the overlay for cursor and page control
function.
3. Release FN to return to normal keyboard operation.
Temporarily changing modes
If the computer is in Numeric Mode, you can switch temporarily to Arrow
Mode by pressing a SHIFT key, while if it is in Arrow Mode, you can switch
temporarily to Numeric Mode by also pressing a SHIFT key.
Generating ASCII characters
Not all ASCII characters can be generated using normal keyboard
operation, but you are able to generate these characters using their specific
ASCII codes.
With the overlay on:
1. Hold down ALT.
2. Using the overlay keys, type the ASCII code of the character you
require.
3. Release ALT - the ASCII character will appear on the display screen.
With the overlay off:
1. Hold down ALT + FN.
2. Using the overlay keys, type the ASCII code of the character you
require.
3. Release ALT + FN - the ASCII character will appear on the display
screen.