Feature

SmartSDR supports up to 4 (FLEX-6000) or 8 (FLEX-8000) simultaneous receiver slices. Each slice has its own VFO, mode, filter, and DSP settings. The GUI shows slice tabs and overlaid VFO markers on the panadapter.

Requirements

• Slice tab bar showing all active slices (A, B, C, D...)
• Click tab to switch active slice
• Multiple VFO markers on panadapter with different colors
• Independent filter/mode/DSP per slice
• +RX button creates new slice
• Close/remove slice
• TX slice indicator and switching

Current State

Single slice (A) only. SliceModel supports per-slice state, RadioModel has m_slices map, but GUI only wires to activeSlice().

Protocol

• slice create — create new slice
• slice remove <id> — remove slice
• slice set <id> active=1 — set active slice