Operation Manual ACK-540 RF+
E&OE
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2.4 New-synchronisation of the radio channel
The ACK-540 RF+ is equipped with the newest radio technology allowing in the easiest manner to make a
new-synchronisation.
• In contrast to conventional or older wireless keyboards on
the market here is to press the PAIRING key on the back
side only 1 time, whereby the new synchronisation signal
is transmitted to the USB receiver.
Thereby a complete, extremely comfortable handling from
the user’s location (e.g. a sofa) is possible without the
need to stand up for pressing the synchronisation key of
the receiver, which is usually located in the USB port of
the PC.
• The process of synchronisation can take up to 10 seconds
and is signalised by flashing up of the PAIRING-LED
(left LED on front side of the keyboard),
which goes out after successful procedure.
The keyboard is now re-synchronised.
• Check now the functionality of the keyboard like described under point 2.3.
Advise:
One further benefit of this newest radio technology is the provision of a large number of possible,
independent from each other „radio channels“ (16 channels *2
16
Bit = 1.048.576 possible contacts or
even IDs) to ensure a trouble-free and secured operation of several wireless keyboards in one room
respectively in a transmitting/receiving radius of approx. 10 m.
In implausible case the keyboard does not work even after new-synchronisation, you have the following
options to solve this problem:
• Repeat the procedure including the hardware reset of the USB receiver
(conventional synchronisation) by pressing at first the LED key on the USB receiver
(blue LED of the USB receiver flashes 3 times in a row) and only now the PAIRING
key on the back side like mentioned above. In very rare cases 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.
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