LEGRAND Pro 21 7756 44 User manual

Pro 21™
Radio lighting scenario switch
7756 44
LE00985AA
Characteristics
Power
supply
RF
Frequency
Range
1 CR2032 lithium
battery
868.3 MHz
approximately
200 m in free field
+ 5°C at + 45°C

2
L  50 mm
L =40 mm
L <40 mm
Characteristics (cont.)

3



Safety instructions
This product should preferably be
installed by a qualified electrician.
Incorrect installation or use may
cause electric shock or fire.
Read the instructions before installing.
Take into account the specific installation
location.
Do not open the unit. Legrand products
must only be opened and repaired by
qualified personnel, authorised by
Legrand. Unauthorised opening or
repair will cancel all liability, and will
invalidate the guarantee and any right to
replacement.
Use only LEGRAND brand accessories.
Replacing the battery

4
Description
LEARN
key
LEARN
indicator
light
Control
buttons
Factory settings
When first switching on, pressing the ON/+
and OFF/- keys will control all the lighting
receivers in the "In One by Legrand”
installation.
This facility is enables to check that all the
lights are are connected and are functioning
correctly.
A double press on the LEARN(1) key cancels
this general control function.
(1) Programming or learning key.
Control buttons

5
Operation
Example of scenario creation:
Controlling the dimmer switch (L1) using the radio lighting scenario switch.
8 mm
Transmitter
Radio lighting scenario switch
E.g.: 7756 44
Receiver
600 W radio dimmer switch without neutral
E.g.: 7756 43
L1

6
Operation (cont.)



Transmitter
Open the scenario
Receiver(s)
LEARN
indicator
light
Legend
The indicator
light goes out
The indicator light blinks
slowly
The indicator light blinks
rapidly The indicator light
is flashing
LEARN
indicator
light
L1
Note: learning is only necessary for the ON key, the OFF key learns automatically.

7
Operation (cont.)


Transmitter
Save
the scenario
Receiver(s)
LEARN
indicator
light
LEARN
indicator
light L1
Learning is complete: L1 can be switched on and off indiscriminately from the lighting scenario switch (left-hand channel)
or the 600 W dimmer switch without neutral.
To add several products to the scenario, repeat for each receiver the operations and .

8
Operation (cont.)
Example of the modification of scenario 1 of a scenario switch:
Modification of the previous command by adding an additional 600 W radio dimmer switch without neutral.
L1 L2

9
Operation (cont.)



Transmitter
Open the
scenario
Receiver(s)
LEARN
indicator
light
LEARN
indicator
light
L1
LEARN
indicator
light
L2
Receiver 2

10


Transmitter Receiver(s)
LEARN
indicator
light
LEARN
indicator
light
L1
Save
the scenario
Operation (cont.)
The scenario has been modified: L1 can be switched on and off indiscriminately from the lighting scenario switch
(left-hand channel) or the 600 W radio dimmer switch without neutral (1) as well as for the 600 W radio dimmer switch
without neutral (2) from the right-hand channel of the lighting scenario switch.
LEARN
indicator
light L2
To add several products to the scenario, repeat operations and for each receiver.