Nice S p A 433FR Transmitter User Manual

Nice S.p.A. Transmitter users manual

a href="https://usermanual.wiki/Nice-S-p-A" itemprop="url"> Nice S p A >

users manual

INTRODUCTIONWhen a radio control system is used the transmitter sends a “signal” to the receiver that, if recognisedas valid, activates the output relays.In view of the fact that a transmitter should activate only its own receiver and not that of yourneighbour, you have to codify the signal sent which means that each receiver will recognise its ownsignal and not others that might be similar.In traditional systems the code can be selected by means of a set of microswitches in the transmitter(offering only a few thousand combinations) or it can be programmed directly during production (inthis case you have a few million different code numbers available); however, the code number isfixed which means that each time it is transmitted the same signal is sent.The fact that the code is sent by radio and that it is always the same does, unfortunately, offer thepossibility to people who are up to no good to receive (even at a distance) and record the signalwhich they can then use as the “key” to open your door.The “FLOR” system uses a principle that makes your radio control extremely safe. A technique called “Rolling Code” is used that changes a part of the code each time it is transmittedfollowing a predefined sequence; the code is masked with appropriate mathematical functions sothere is no logical connection between two consecutive codes. The receiver is always synchronised- 30 -
with the transmitter so it will accept only the programmed code sequence. It is completelyuseless to try and copy the signal transmitted with this system because once the code has been“used” the receiver will only recognise the next one.From what we have described here it appears essential to keep the code sent by the transmitter andthe receiver perfectly synchronised but this is not completely true because there is a code windowthat lets the receiver accept, in sequence, the next code plus a certain number of subsequent codeswithout ever accepting a code that has already been used!Even if you exit from the code window, the receiver is designed to re-synchronise itself automatically:when it receives the first code there will be no activation but only storage of the code sent; when thenext signal is sent it will be synchronised and activate the outputs. Automatic re-synchronisation is ofcourse possible only if the codes are received following the established sequence.DESCRIPTIONThe system comprises:• 1, 2 or 4 channel transmitters (FLO1R, FLO2R, FLO4R), and 2 channel (VR of the VERY series)• Receivers with a terminal connection, 1 or 2 channels (FLOX1R, FLOX2R, FLOXB2R)• Receivers with plug in connections, 1 or 2 channels (FLOXIR, FLOXI2R)• Modular receivers (FLOXM220R, FLOXMR)• Memory card that contains the codes (BM60, BM250, BM1000 - 15, 63 or 255 codes maximum respectively)• Aerial (ABF - ABFKIT)- 31 -GB
INSTALLATIONTransmitters:The transmitters are ready to use, each withtheir own code number set duringconstruction. To see if they are workingproperly simply press one of the keys andcheck that the red LED is flashing, indicatingtransmission.The transmitter has a device built into it thatcontrols battery state: press one of the keysand if the battery is fully charged the LED willgive an initial pulse followed immediately bythe transmission signal. If the battery is partly flat the LED will give the first pulse and starttransmitting only after half a second.In this case we advise you change the battery as soon as possible.If, on the other hand, the battery is completely flat the LED will flash at half-second intervals withouttransmitting and the battery must be changed immediately.- 32 -VERY FLO1R FLO2R FLO4RLEDKEY 1KEY 2KEY 3KEY 4LEDKEY 1KEY 2Fig. 1
Download:
Mirror Download [FCC.gov]
Document ID162504
Application IDYZAr2nF6TrbrRRdyUHQzJA==
Document Descriptionusers manual
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize7.02kB (87708 bits)
Date Submitted2001-08-01 00:00:00
Date Available2001-07-31 00:00:00
Creation Date2000-11-13 15:27:53
Producing SoftwareAcrobat Distiller 2.1 per Power Macintosh
Document Lastmod2001-07-16 14:09:53
Document Titleusers manual
FCC ID Filing: PML433FR

Navigation menu