Acquisition:Spectrum:Number Of Spectral Lines
- Updated2025-10-14
- 1 minute(s) read
Specifies the number of spectral lines expected with the current power spectrum configuration. If you do not configure this property, NI-RFSA selects an appropriate value based on the Resolution Bandwidth property. If you configure this property, NI-RFSA coerces the value of the Resolution Bandwidth property based on the number of spectral lines requested and the value of the Spectrum Span property.
Default Value: N/A
Supported Devices: PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5830/5831/5832/5840/5841/5842/5860
Remarks
The following table lists the characteristics of this property.
| Short Name | Number of Spectral Lines |
| Data type | ![]() |
| Permissions | Read/Write |
| High-level VIs | N/A |
| Channel-based | No |
| Resettable | Yes |
