fix(a32nx/fms): fix preselected cruise speed/mach value showing in the descent phase #9860
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lukecologne
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Feb 14, 2025
| @@ -1321,7 +1309,7 @@ export abstract class FMCMainDisplay implements FmsDataInterface, FmsDisplayInte | |||
| } | |||
| } | |||
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| private updatePreSelSpeedMach(preSel) { | |||
| private updatePreSelSpeedMach(preSel: number | undefined) { | |||
| // The timeout is required to create a delay for the current value to be read and the new one to be set | |||
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I don't really understand why this delay is there, is this still necessary or could it be removed?
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I haven't tested it without the delay. The idea is that when a new flight phase activates, we need to give the AP code time to set the preselected speed before we unset/re-set it. From the FMS, we have no control over when the FG activates the preselected speed after we fire the K:A32NX.FMS_PRESET_SPD_ACTIVATE event.
tracernz
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Feb 14, 2025
fbw-a32nx/src/systems/instruments/src/MCDU/legacy/A32NX_FMCMainDisplay.ts
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Fixes #9854
Summary of Changes
Fixes an issue where the preselected cruise speed/mach value was shown during the descent phase. This happened because the value was not properly reset.
Screenshots (if necessary)
References
Additional context
Discord username (if different from GitHub):
Testing instructions
Go through the steps to reproduce the linked issue. Ensure the issue no longer occurs.
How to download the PR for QA
Every new commit to this PR will cause new A32NX and A380X artifacts to be created, built, and uploaded.