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Halscope: Fix setting for AC coupling (2.9)#4128

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hansu:halscope-fix-ac-setting-2.9
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Halscope: Fix setting for AC coupling (2.9)#4128
hansu wants to merge 2 commits into
LinuxCNC:2.9from
hansu:halscope-fix-ac-setting-2.9

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@hansu hansu commented Jun 4, 2026

Steps to reproduce:

  1. Set a channel to "AC Coupled" via the offset button, confirm.
  2. Click the offset button again: The checkbox "AC Coupled" is disabled but AC coupling is still active. You need to select and unselect the checkbox in order to disable AC coupling.
halscope-ac-coupling.mp4

Further:
The offset was reset to zero when AC coupling was enabled.
This adds a data field to restore the previous offset value when disabling AC coupling.

hansu added 2 commits June 4, 2026 21:27
When opening the offset dialog with enabled AC coupling, the AC checkbox is unselected.
You need to select and unselect it in order to disable AC coupling.
The offset was reset to zero when AC coupling was enabled.
This adds a data field to restore the previous offset value when disabling AC coupling.
@hansu hansu changed the title Halscope: Fix setting for AC coupling Halscope: Fix setting for AC coupling (2.9) Jun 4, 2026
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