| 摘要 |
A base may locate a remote control by transmitting a first location signal, receiving a second location signal at base receivers from a remote control device transponder transmitted in response, and calculating a location of the remote control device based on the received second location signal. The base may provide navigation information based on the calculated location. In some implementations, the base may perform a setup routine by providing an interface that accepts position information, accepting an indication that the remote control is located at a position, transmitting a first calibration signal, receiving a second calibration signal at the receivers transmitted by the transponder in response, and recording baselines for the position. When the base unit subsequently analyses a second location signal to calculate a location of the remote control, the base may base the calculated location at least partly on the baselines.
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