© elero GmbH 8 | EN © elero GmbH EN | 9
Status display
A radio signal is displayed by the status display (LED ring around
the STOP button) lighting up. The various colours of the status
display mean:
Status display Meaning
Flashing orange Channel (transmitter) not programmed in any
receiver
Rapidly fl ashing
orange
Channel (transmitter) in bidirectional program-
ming mode. Operation of receivers already
programmed not possible.
Every 3 seconds in group programming mode
(also without a button being pressed)
Orange then green Channel (transmitter) is operating bidirection-
ally and receiver has received the signal
Orange then fl ashing
red
Channel (transmitter) is operating bidirection-
ally and one of the receivers has not received
the signal
Red then green Channel (transmitter) is operating bidirection-
ally and receiver has received the signal,
batteries weak
Red then fl ashing red Channel (transmitter) is operating bidirection-
ally and one of the receivers has not received
the signal, batteries weak
Green with repetition,
then red (unidirec-
tional)
Channel (transmitter) has been deleted
Green Channel (transmitter) is operating unidirection-
ally: Transmit signal is being sent
Orange and green
(or red) alternating,
then red (bidirec-
tional)
Channel (transmitter) has been deleted
Flashing red Batteries weak
Explanation of functions
Bidirectional radio system
A bidirectional radio system transmits radio signals to a radio
receiver and enables feedback from the radio receiver to the
transmitter. The radio signal can be sent directly to the target
receiver. If this is not possible then the radio signal is forwarded via
other bidirectional participants until the signal reaches the target
receiver. The target receiver carries out the command and sends a
confi rmation back to the transmitter.
Bidirectional radio operation is only possible if all participants are
bidirectional. Otherwise, the system is only unidirectional.
Unidirectional radio system
A unidirectional radio system transmits radio signals to radio
receivers. However, unlike the bidirectional radio system, the
radio receivers cannot send back a reply to the transmitter. The
transmission of radio signals from radio receiver to radio receiver is
also not possible.
Initial operation
Press a button to switch on the hand-held transmitter and illuminate
the status display and operating mode display. The hand-held
transmitter is in automatic mode during initial operation.
Note
Do not press the P button until the receivers are in
programming mode. The active channel for a radio system
is decided during programming. If the receiver is not in
teach-in mode, the channel from the transmitter changes to
unidirectional mode. Press and hold the STOP and P buttons
simultaneously for 6 seconds until the status display lights up.
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