| 摘要 |
There are provided a remote control unit configurable to be used to control a plurality of devices together with corresponding methods to use the remote control. Advantageously, the transmission of both master IR signals and an illumination beam from the remote control unit is adjustable for varying a field of coverage of the master IR signals, with at least one of the plurality of devices within the field of coverage receiving the master IR signals allowing the at least one of the plurality of devices to be controlled.
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