To Clean The Keyboard - KeySonic ACK-540 RF Operation Manual

3.3 Keys with double functions
The layout of the keyboard is a special space-saving layout with the same virtual numeric keypad also used
in notebook keyboards.
• Press the
Fn + NumLk
and upper right corner of the keyboard) in
order to switch the virtual numeric keypad
function on and off.
(The double functional keys get the blue
imprinted significations: Numeric keypad
locked)
• During active "Num Lock" function, you
may keep the key pressed, in order to
Fn
temporarily de-activate the virtual numeric
keypad. This is particularly convenient to
quickly enter letters apart from numbers.
• Without the key having been pressed, the
NumLk
pressed will control the integrated position keys in the same way
as an external keypad (please refer to the picture).
Home
   
End
Ins
Note:
When starting the PC should be noted, that in the BIOS or in
operating system is set, whether the Num Lock function also will
be booted up automatically in activated or deactivated status.
This can so influence the input of a possible password when
starting the operating system. So if your system reports after
input an incorrect password, perhaps only the Num Lock function is active.
4. How to Clean the Keyboard
• Remove dust with a brush, with soft compressed air, or with a vacuum cleaner with brush head nozzle.
• Remove fine dirt with a not-too-damp cloth.
• DO NOT use any aggressive detergents, solvents or gasoline in order to clean the keyboard.
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keys (lower left
PgUp
PgDn
Del
Operation Manual ACK-540 RF
key kept
Fn
- 12 -
Virtual numeric keypad
E&OE