# Limits and Stacking

## Limits

Limits are the parts of the y-axis that Marple visualises. There are two limit types: the **min limit** and the **max limit.**

Marple will visualise the data points within the min and max limit. The min and max limit can be set for every signal separately.

<figure><img src="/files/CemCclOru6ygXVTXLxJI" alt=""><figcaption></figcaption></figure>

## Stacking

Each signal group also has a **position** on a plot, which you can change.&#x20;

If you select one signal or a signal group, you can see drag handles on the axis. These will allow you change the position of your signal. Playing with positions allows you to make visually clean plots.

<figure><img src="/files/xF9rMc3WrstCFbjjI5qN" alt=""><figcaption></figcaption></figure>

By default, in time series plots, all signals and signal groups that are added to a plot will be added with their limits aligned to the top and bottom of the plot. This means that the graphs are stacked over one and another.&#x20;

If you want to automatically stack the graphs on one another, you can click on the **Stack All Signals** button in the top bar.

<figure><img src="/files/b4WIbcMTZ0wmLXRM7wnD" alt="" width="375"><figcaption></figcaption></figure>

After clicking the **Stack All Signals** button, the signals will be stacked over one and another in the plot.

<figure><img src="/files/otcsHZQdpZ1NbgR1cM9R" alt=""><figcaption></figcaption></figure>

## Linking limits

**Link** multiple signals if you want their limits and positions to always be the same. This will make of these signals a signal group (see [Signal Settings](/docs/marple-insight/user-manuals/visualisation/plot-types/time-series/signal-settings.md))

Linked signals will have the same y-axis. Select multiple signals \[**ctrl/cmd + left mouse click]** and click the link button.

<figure><img src="/files/BQGIkhg8OAQM91nMYFr2" alt="" width="563"><figcaption></figcaption></figure>


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