| 摘要 |
A device is provided for backing up calibration information for an air navigation instrument intended to be installed in an aircraft, the air navigation instrument comprising a first connector intended to be connected to a second connector belonging to the aircraft. The invention also relates to an aircraft instrument panel including the device. According to the invention, the backup device is connected between the first and the second connectors. The device comprises a third connector similar to the first connector and connected to the second connector and a fourth connector similar to the second connector and connected to the first connector. All the links from the second connector pass through the device to the fourth connector with no electrical interaction with the device. The device comprises backup means, connected only to the air navigation instrument, by means of the first and fourth connectors.
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