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16 lines
982 B
16 lines
982 B
1 year ago
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# Parameter Download failures
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The majority of parameter download failures are caused by a communication link which is noisy and has a high loss rate.
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Although the parameter protocol has retry logic for such a case it will eventually give up.
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At which point you will get an error stating that QGC was unable to retrieve the full set or parameters.
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Although you can still fly the vehicle in this state it is not recommended.
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Also the vehicle setup pages will not be available.
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You can see the loss rate for your link from the [Settings View > MAVLink](../settings_view/mavlink.md) page.
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Even a loss rate in the high single digits can lead to intermittent failures of the plan protocols.
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Higher loss rates could leads to 100% failure.
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There is also the more remote possibility of either firmware or QGC bugs.
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To see the details of the back and forth message traffic of the protocol you can turn on [Console Logging](../settings_view/console_logging.md) for the Parameter Protocol.
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