HomeMatic HM-LC-Sw1-SM, HM-LC-Sw4-SM Installations- Und Bedienungsanleitung Seite 48

The surface-mount actuators have no special teach
button.Teaching a certain actuator channel requires
pressing and holding the respective channel button
(one of the two buttons or for the blind
actuators).
Teach mode is indicated by the device LED flashing
continuously.
If no teaching occurs, teach mode is automatically
ended after 20 seconds. If other devices are in teach
mode, these are taught.
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