1.12.3.4.2 Dialogs
Add/edit TC channel dialog

Trigger:
- when you click on the "+" button on the top toolbar to create new or
- an on pencil icon to edit TC channel in the menu column
- The dialog title clearly indicates whether you are creating a new, editing an existing one, ensuring clarity in the action being performed.
Fields:
- Frequency 1: Primary receive frequency, floating point, MHz.
- Frequency 2: Secondary receive frequency, floating point, MHz.
- Polarization 1: This is an enumeration.
- Polarization 2: This is an enumeration.
- Comment: Free text describing the purpose of this dataset.
- Default: Set TM channel as default.
Actions:
- Create/Save:
- For new TM channel, this creates the TC channel with the provided details.
- For existing TM channel, this saves modifications.
- If an error occurs in the input fields, the button is deactivated.
- Cancel: Closes the dialog without saving.
Modify TM channel attenuation

On delete confirmation dialog
- Trigger: Opens when you click the trash icon for an key from menu column.
- Content: Asks the user to confirm whether they want to delete the selected TC channel.
- Actions:
- Yes: Deletes the TC channel permanently.
- Cancel: Cancels the deletion action.