User's Manual

Click the “Num Lock” key to activate numerical
keypad function. Press the key again to return to
letter input.
Sleep Mode
To save power consumption, this keyboard will enter
into sleep mode automatically after two minutes left
unused. LED light of the trackball will go off and
mouse cursor will have no movement temporarily.
Sleep mode of optical trackball does not affect input
function of other standard keys. Press and release
the trackball to wake up the sleep mode and to
recover the trackball function.
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