Spectrum - OEFW-community/RT-890-custom-firmware GitHub Wiki
How to start
Start spectrum by mapping a key (side key or keypad) to the Spectrum action using the main menu. Spectrum will launch, centered on the frequency from the active VFO/Memory Channel.
Keys
| Button | Normal Function | Holding Function |
|---|---|---|
| Up | Increase frequency +/- (number in middle of bottom row) | Move up to next frequency |
| Down | Decrease frequency +/- (number in middle of bottom row) | Move down to previous frequency |
| 1 | Change number of scan steps (16, 32, 64, 128) | - |
| 2 | Switch to next preset | - |
| 3 | Change modulation (AM, FM, SSB) | - |
| 4 | Change step size (0.25k - 50k) | - |
| 5 | Switch to previous preset | - |
| 6 | Increase squelch level | - |
| 7 | Hold on current frequency | - |
| 8 | Toggle bars/waterfall view | - |
| 9 | Decrease squelch level | - |
| 0 | Toggle filter (U = unfiltered, F = filtered) | - |
| * | Change scan delay (0 - 10ms) | - |
| # | Toggle bandwidth (W = wide, N = narrow) | - |
| Menu | Jump to VFO mode with current frequency and settings (to allow TX) | - |
| Exit | Exit spectrum | - |
Spectrum display
