Overview — what udpscope is, how it reaches a source, the window and its panels, and a first five minutes.

Choosing a source — the command line, the chooser, and opening an exported waveform instead of a live stream.

Signals and calibration — how a signal becomes a channel, what starts acquisition, and how a scale and offset are applied.

Rows, layout and drag & drop — up to eight rows, four traces each, and the layout editor.

Time window — the one control that changes the window, and the decimation a long window causes.

Navigating the plot — panning, zooming and fitting with the mouse and the keyboard.

Pause and play — freezing the display without stopping the stream, and how long you have been looking.

Trigger — the four trigger shapes, arming, hold-off, the event cache, and searching the buffer.

Cursors — the shared vertical pair and the per-row horizontal rulers.

Measurements — a statistic of the visible window, its on-plot marks, and its statistics line.

Math channels — building a derived channel from a graph of source nodes, operations and one output.

Saving and export — the visible range to .npy, .csv or .mf3.

Sessions and settings — the per-source configuration files and what they carry.

Status bar and diagnostics — the glance line, the ⓘ popover, and the activity badge.