CPC H05B 47/19 (2020.01) [H05B 47/155 (2020.01); H05B 47/17 (2020.01)] | 18 Claims |
1. A method of controlling a group of lighting units, the method comprising:
receiving a first signal communicated between a portable device and a first lighting unit of the group of lighting units,
determining a first signal strength of the received first signal,
setting, if the first signal strength exceeds a threshold, the portable device to a first control mode wherein only the first lighting unit of the group of lighting units is controlled by the portable device, and
setting, if the first signal strength does not exceed the threshold, the portable device to a second control mode wherein the lighting units of the group are controlled by the portable device, wherein the portable device comprises an attachment means for attaching the portable device to a docking object configured to receive the portable device, and wherein the method comprises:
detecting if the portable device is attached to the docking object, and
setting the portable device to the second control mode if the portable device is attached to the docking object.
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