Spectrus: Peaks are visible in NMR spectrum but cannot be picked or integrated due to incorrect nucleus or experiment type

Description
Users import an NMR dataset into Spectrus and see a spectrum, but peak picking and integral tools appear disabled or do nothing. On inspection, the record may be tagged with the wrong nucleus or experiment type (e.g., imported as generic “FID” or wrong nucleus), so the software does not apply standard 1H/13C tools.

Solution

1. Check experiment metadata in Spectrus
   • Open the Properties or Experiment Info panel.
   • Confirm:
     • The nucleus is correctly set (e.g., 1H, 13C).
     • The dimension and experiment type are as expected (e.g., 1D 1H).
2. Correct nucleus/experiment type (if allowed)
   • If your Spectrus version permits manual correction:
     • Change the nucleus field to the correct value (e.g., from “Unknown” or “X” to “1H”).
   • Apply changes and reprocess if required.
3. Re‑import from raw FID if metadata is badly corrupted
   • If manual correction is not supported or does not fix tools:
     • Re‑import the original vendor dataset, ensuring the correct FID is selected.
     • Avoid importing screenshots or processed images; use raw acquisition data.
4. Confirm that appropriate tools are active
   • Once the nucleus is set correctly:
     • Verify that the toolbars for peak picking and integration are available and active.
   • Perform a test peak pick and integration.
5. Document best practice for import
   • It is recommended to always import from raw data and verifying nucleus/experiment type in new records, especially for unusual nuclei or custom acquisitions.