5
CODE GENERATION
Transmitters are supplied with a secret code select at random from
the 16.777.215 possible combination.
If you wish to generate a new code proceed as follow:
1) Open the transmitter casing by sliding the cover as shown to
gain acces to the code generation button (Pg).
2) Press and hold down one of the activation buttons P for the
channel to be encoded. Do not release until the operation is
completed.
Check that indicator LED LD1 lights up.
3) Press and hold down the code generation button (Pg) for about
1 second. When the code generation button is pressed the LED
goes out.
On releasing the button, the LED LD1 lights up and flashes briefly to
confirm that the random code has been generated.
If you wish to change the code again, repeat the above
procedure.
4) Release the channel activation button P.
ENCODING THE MINIDEC SL / DECODER SL / RP 433 SL CARDS
To memorise the transmitter code on the decoder card, proceed
as follow:
1) Switch on the receiver system.
2) Press and hold down channel activation button P for the
channel concerned. Check that indicator LED LD1 lights up.
3) Press and hold down self-learning button SW1 on the decoder
card.
4) Release button SW1 on the decoder card.
5) Release button P on the transmitter.
6) Check that the system operates correctly.
TRANSMITTER CODE DUPLICATION
To transfer the code on one transmitter to other transmitters,
proceed as follow:
1) Bring the two transmitters together as shown.
2) Press and hold down the channel activation button P for the
channel concerned on the first encoded transmitter. Check that
indicator LED LD1 lights up.
3) Press the channel activation button P on the second transmitter
(the one the code is to be transferred to).
4) Release the button P on the second transmitter.
5) Release the button P on the first transmitter.
Caution: Pressing the two P button simultaneously or in the reverse
order will damage the code memorised on the first encoded
transmitter.
CODE PROTECTION
To prevent unauthorised persons from duplicating the code on a
transmitter, remove the jumper LK1 which is installed on each
transmitter.
If you subsequently wish to duplicate the code it will be necessary
to replace jumper LK1.
N.B.: The removal of jumper LK1 on a transmitter prevents its code
from being copied to another transmitter.
Its also disables the random code selector button (Pg).
However the transmitter can still learn a new code if necessary,
but only from a transmitter in which LK1 has been retained (or
replaced).
RP 433 SL
SW1
Pg
LD1
P1
P2
Fig. 1
LK1
Fig. 2
