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MACM-250 MATTER & START-LINE SMART BUILT-IN DIMMER
15. INSTALL THE BUILT-IN DIMMER
First check that the lighting switches properly by switching it ON and OFF with the Matter App or paired Start-
Line transmitter. Place the built-in dimmer in the ceiling box. Mount the lamp back in place. Make sure that you
can always reach the built-in dimmer, for example to reset it or to reconnect it.
OPTIONAL: RESET MATTER BUILT-IN DIMMER
Warning: After performing this step, you will no longer be able to operate the built-in dimmer via Matter and
you will need to remove the built-in dimmer from the Matter App. (The paired Start-Line transmitters will not
be removed).
To reset Matter, press and hold the "FUNCTION" button for 15 sec. until the LED flashes red.
A
When the LED flashes red, press and hold the "FUNCTION" button again for 6 sec.
B
The connected lighting will go ON-OFF-ON-OFF to confirm the reset.
C
OPTIONAL: REMOVING A SINGLE START-LINE TRANSMITTER
Shortly press the "FUNCTION" button to activate pairing mode. Pairing mode will be active for 12 seconds
A
and the LED indicator on the built-in dimmer will flash green.
While pairing mode is active (within 12 sec) send an OFF signal with the connected Trust Switch-in
B
transmitter. (If necessary, consult the transmitter manual).
The connected lighting will go ON-OFF-ON-OFF to confirm that the transmitter has been removed.
C
OPTIONAL: RESET START-LINE MEMORY
Warning: This step will delete all paired Start-Line transmitters from the built-in dimmer memory. (Matter will
not be reset)
To reset the Start-Line memory, press and hold the "FUNCTION" button for 15 sec. until the LED flashes red.
A
Press the "FUNCTION" button again shortly.
B
The connected lighting will go ON-OFF-ON-OFF to confirm the reset.
C
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