User Manual

LICENSING
All ‘MINDA’ products are license-exempt when used in the USA and the U.K.
MAINTENANCE
The ‘Maxi-MINDA’ receiver requires minimal maintenance. Problems with its internal electronics
are most unlikely unless the unit has had incorrect external voltages applied or suffered some
physical damage.
The most likely sources of difficulty are likely to be with its external leads and connectors, or the
antenna arrangement. These should all be inspected regularly and preventative or corrective
action taken where found to be necessary
GETTING THE BEST RESULTS
The following advice may be found useful and, if followed on those occasions when it is practical
and convenient to do so, should help to ensure the best performance and communications range
of a ‘MINDA’ system:
• The US FCC regulations and the UK M.P.T. regulations do not permit any modifications or
attachments to a ‘MINDA’ transmitter to improve its transmitted signal, but no such restrictions
apply to the receiving end of the system. A properly designed and installed external antenna, well
positioned, and connected by suitable low-loss cable to an RX-500 ‘Maxi-MINDA’ receiver, will
provide a very noticeable improvement in operational range compared to that obtainable when
using the basic short flexible antenna.
• If the ‘Maxi-MINDA’ receiver has to be used with the short flexible antenna attached then it
should be positioned in a clear location away from other electronic equipment and possible
sources of radio interference.
• Any person using a key-fob transmitter should always try to face in the direction that he wishes
the signal to go so that his/her body does not obstruct the emitted radio signal. If possible, the
transmitter should also be held away from the body so that there is free space around its
antenna.
• When using a ‘MINDA’ transmitter (or a receiver with attached antenna) inside a vehicle,
remember that signal levels will be maximized if the antenna is kept above the window line. Use
an optional magnetically mounted vehicle antenna with the RX-500 ‘Maxi-MINDA’ receiver
whenever possible.
TROUBLESHOOTING GUIDE
If a ‘Maxi-MINDA’ is not receiving signals from a ‘MINDA’ transmitter, the following tests should
be undertaken:
• Check that the units are not out of range by temporarily reducing the distance between them to
10 yards or less. If all is then well, increase the distance again until signals transmitted are
not
received reliably. This will give a good indication of the likely maximum working range which can
be achieved in that particular location.
• Observe the red LED on the transmitter. If it fails to light, or is lit dimly, when the transmitter is
activated the transmitter battery probably needs to be replaced. The LED can easily be seen on a
key-fob unit but there is no LED on the TX-600 belt transmitter.
• Check that other transmitters (with the same Family Identity Code) are being received correctly.
• Confirm that the receiver is not being jammed by interference, or from another signal. If
necessary, move the receiver antenna away from the source of the interference.
• If the units still fail to communicate, check that the RX-500 ‘Maxi-MINDA’ receiver is operating
correctly by pressing and releasing its ‘Reset’ button and confirming that the eight LEDs briefly
strobe.
• If the receiver appears to be completely ‘dead’ and is connected to an external source of power,
disconnect all external cables and see what happens. If it now functions correctly, check that the