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4 Operation 

Channel assignment of the wall transmitter 

picture 3: Channel assignment 1-gang, 2-gang, 4-gang 

Sending radio telegrams 

Press channel button, e.g. 

1+

, to transmit a radio telegram. 

The corresponding LED lights up as an acknowledgement. 

As long as no light scene functions were selected, the following responses occur, depending on 
the type of receiver: 

Button 

Length 

Lighting 

Venetian blind 

X+ 

less than 1 second 

Switch on 

Slat
adjustment 

X- 

less than 1 second 

Switch off 

Slat
adjustment 

X+ 

longer than 1 second 

brighter 

Blind moves up  

X- 

longer than 1 second 

darker 

Blind moves down  

The maximum transmitting length is 12 seconds, even if another button is pressed after 
that. 

If more than one button is pressed at the same time, the radio telegram of only one button 
is transmitted. 

Calling up light scenes 

Light scene button has been taught (see Commissioning). 

Press the light scene button for shorter than 3 seconds. 
Receivers switch to the stored light scene value. 

Save light scene 

Light scene button has been taught (see Commissioning). 
Function switch 4 is in the position 

ON 

Set the required lighting situation. 

Press the light scene button for longer than 3 seconds. 

Seite 3/7 

13.08.2010 

82532711 
97-09322-000 

radio bus  
Radio wall transmitter flat - 1gang, 2gang, 4gang 

Summary of Contents for 2721 Series

Page 1: ...ton cells are swallowed get medical help immediately Risk of explosion Do not throw batteries into fire Risk of explosion Do not recharge batteries The radio communication takes place via a non exclus...

Page 2: ...stacles Example of penetration of various materials Material Penetration Wood Plaster Plasterboard approx 90 Brick Chipboard approx 70 Reinforced concrete approx 30 Metal Metal grid approx 10 Rain Sno...

Page 3: ...X longer than 1 second darker Blind moves down i The maximum transmitting length is 12 seconds even if another button is pressed after that i If more than one button is pressed at the same time the ra...

Page 4: ...eiver Maintain distance from large area metal objects e g metallic door frames i Perform commissioning and teaching procedures before installation see Commissioning chapter o Using a screwdriver caref...

Page 5: ...act of the battery holder Observe polarity the positive pole of the battery must be at the top o Press gently on battery to snap it in o Mount wall transmitter on base plate o Press any button for app...

Page 6: ...receiver When teaching a transmitter the range of the receiver is reduced to about 5 m The distance between the receiver and the transmitter being taught should therefore be between 0 5 m and 5 m The...

Page 7: ...rief button press the LEDs flash five times Cause battery in the wall transmitter is almost empty Change battery see section changing the battery Receiver does not respond or only sometimes Cause 1 Ra...

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