Setting cue points:

Select a cue point slot with F1-F10.
The speech guide announces the slot name and its current value.

Setting the cursor position:
- K = cursor -10 ms, Shift+K = -100 ms, Ctrl+K = -1000 ms
- L = cursor +10 ms, Shift+L = +100 ms, Ctrl+L = +1000 ms
- Home = go to track start, End = go to track end

Setting a cue point:
- Shift+Enter: sets the selected cue point to the current cursor position
- Spacebar (during playback): sets the cue point at the current playback position
  and immediately starts the preview with beep

Resetting (undo):
Ctrl+Z resets the selected cue point to its last saved value.

Deleting:
Del deletes the selected cue point (with confirmation).

Preview:
- Press O for preview with beep: plays a short section before the cue point,
  then a beep signals the cue position
- Press I to play from cue position: starts playback from the cue point
- Press P to toggle Play / Pause (or Ctrl+P outside the editor)

Note: Mix-Start (F6), Mix-Point (F7) and Outro (F8) are measured from the end of the track.

Saving:
Ctrl+S saves all cue points and tags to the database.
