KeySonic KSK-3200 RF Wartungshandbuch PDF herunterladen (Seite 16)

Operation Manual KSK-3200 RF

E&OE

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3.3 Optical trackball

As a mouse alternative the keyboard is equipped with an optical trackball inclusive two mouse function keys

allowing comfortable and ergonomic handling of the PC, for instance from a sofa. Thereby the handling of

the Track Ball is as simple as brilliant.

• Move with the right thumb softly the ball of the trackball

to move the cursor on the screen.

• With the mouse function keys click and double click functions, absolutely

identically as with a mouse, can be explained.

• In order to "drag", to draw or to mark, you must keep the left key with the

left thumb pressed to carry out the function then with the right thumb on

the trackball.

• In order to increase or decrease the speed of the Mouse-pointer

movements, change the settings of the mouse options in your system

control under Windows.

• Using notebooks with already integrated touchpad you have to de-

activate these intern control devices in case of error messages or

malfunctions.

• The trackball resolution can be adjusted in the sequences of 400, 600 or

800 dpi after each time of pressing left + right mouse buttons at the same

time longer than 5 seconds.

Should the precision of the cursor decrease after several months of usage, the following things could be

responsible for that:

• Please check the installed batteries for their state. In the case of doubt exchange them for new.

Advise: A too low battery capacity might be responsible for the fact that the operation distance to the

radio remote control of the PC is impaired respectively signs are let out sporadically when writing.

• For cleaning DO NOT use sharp or pointed objects respectively liquid detergents, solvents or gasoline!

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KeySonic KSK-3200 RF Wartungshandbuch Seite 16