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Is your keyboard after new-synchronisation still not working, you have the following possibilities to solve the
problem:
• Repeat the procedure of synchronisation as described under 2.4.
Sometimes it is necessary to repeat this routine several times, until the right radio channel was found.
• In case your USB receiver is attached to an USB hub, you should install it directly on the USB connector
of your notebook or desktop.
• During the procedure of synchronisation the keyboard should be located close to the USB receiver to
make sure, that the immediate environment has no influence on the radio transmission (for instance
reduction/ interferences due to metal cases, other sources of interferences etc.).
• Ensure that you use only batteries with full loading capacity. In case of doubt change the old batteries
before next synchronisation against new ones as a precaution.
3. How to use the keyboard
After successful launch enjoy now during the operation a free and independent choice of location up to
approx. 10 m distance to the PC. More or less range can be caused, like mentioned above, by metallic
dividing walls, other computer cases, monitors, ZIP drives, loudspeakers, switching power supplies etc.,
but also by different loading capacity of the batteries.
3.1 Special operation modes of the keyboard
• Sleep-Mode
When 10 minutes happens no input in your keyboard respectively touchpad, the keyboard turns
automatically into Sleep-Mode (idle state) to save battery capacity.
• Wake up-Mode
For activating the keyboard from Sleep-Mode press any key on your keypad (not the left or right mouse
function key of the touchpad or the touchpad itself!).
• Re-Connect-Mode
After reactivation the keyboard connects automatically again with the USB receiver. Depending on
environmental conditions for the radio transmission it needs for that between less than 1 second up to few
minutes.
Operation Manual ACK-540 RF
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