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smxi smif smxis
Description of the product
SMXI, SMXIS and SMXIF are 4-channel radio receivers for control
units equipped with SM-type connector.
The peculiarity of compatible transmitters is that the identification
code is different for each transmitter. Therefore, in order to allow the
receiver to recognise a determined transmitter, the recognition code
must be memorised. This operation must repeated for each trans-
mitter required to communicate with the control unit.
Up to a maximum of 256 transmitters can be memorised in the receiver.
No one transmitter can be cancelled; all the codes must be deleted.
- For more advanced functions use the appropriate programming unit.
The receiver features 4 outputs, all available on the underlying con-
nector. To find out which function is performed by each output, see
the control unit's instructions. During the transmitter code memori-
sation phase, one of these options may be chosen:
Installing the aerial
The receiver requires an ABF or ABFKIT type aerial to work proper-
ly; without an aerial the range is limited to just a few metres. The aer-
ial must be installed as high as possible; if there are metal or rein-
forced concrete structures nearby you can install the aerial on top. If
the cable supplied with the aerial is too short, use a coaxial cable
with 50-Ohm impedance (e.g. low dispersion RG58), the cable must
be no longer than 10 m.
radio receiver
Mode I. Each transmitter button activates the corresponding output
in the receiver, that is, button 1 activates output 1, button 2 activates
output 2, and so on. In this case there is a single memorisation
phase for each transmitter; during this phase, it doesn't matter
which button is pressed and just one memory sector is occupied.
Mode II. Each transmitter button can be associated with a particu-
lar output in the receiver, e.g., button 1 activates output 2, button 2
activates output 1, and so on. In this case, the transmitter must be
memorised, pressing the required button, for each output to acti-
vate. Naturally, each button can activate just one output while the
same output can be activated by more than one button. One mem-
ory section is occupied for each button.
If the aerial is installed in a place that is not connected to earth
(masonry structures), the braid's terminal can be earthed to provide
a larger range of action. The earth point must, of course, be local
and of good quality. If an ABF or ABFKIT aerial cannot be installed,
you can get quite good results using the length of wire supplied with
the receiver as the aerial, laying it flat.
GB
17
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