Navigate the graph

This guide shows how to use the axis scaling modes and mouse interactions to monitor live data and examine recorded samples.

The Scale options panel at the bottom of the main window controls how each axis scales. You can change modes at any time, including while logging is active.

Set up for live monitoring

The most useful setup for watching data in real time is a sliding x-axis combined with a y-axis that tracks the visible window.

In the Scale options panel, under X axis, select Sliding window.
Set the interval (in seconds) to the time range you want visible — for example 60 for the last minute.
Under Y axis, select Window auto-scale.

The graph now scrolls forward as new samples arrive, and the y-axis rescales to the values visible in the current window.

Zoom with the scroll wheel

Both axes: scroll the mouse wheel anywhere on the graph (with no axis label selected).
One axis only: click an axis label to select it, then scroll.

Pan by dragging

Both axes: drag anywhere on the graph (no axis label selected).
One axis only: click an axis label to select it, then drag.

Zoom into a specific region

Click the Zoom button in the toolbar.
Drag a rectangle over the area of interest on the graph.

The graph zooms into the selected region and all affected axes switch to Manual mode.

Reset an axis to auto-scale

Double-click the axis label (the text along the axis edge). The axis returns to its previous auto-scale mode.

Set a fixed y-axis range

In the Scale options panel, under Y axis, select Limit from.
Enter the minimum and maximum values.

The y-axis is held at these bounds regardless of the logged values.