| 摘要 |
A transmitter for operating a rolling code receiver is disclosed. A fixed co de transmitter is capable of operating a plurality of different receivers (including rolling code receivers) by updating the transmitter's volatile memory with a set of one or more fixed codes stored in a non-volatile memory of the transmitter. In one embodiment, the transmitter's updatable nonvolati le memory is updated with a code or codes necessary for operating a user-select ed receiver. In another embodiment, activating the transmitter will cause it to transmit the code(s) previously stored in the updatable nonvolatile memory based on the user receiver selection.
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