---
title: Source History
slug: zen-master/source-history
docTags: 
createdAt: 2024-12-27T17:48:48.620Z
---

The History section shows a graphic display of the Source's activity and performance over time. You can create an **Incident** to group together related network failures and see network data for the relevant time period. This is done by selecting a time range on a graph and clicking the **Open Incident** button. For more information about Incidents, see [Incidents](docId\:KM0I5TNPzuO-ygFv6QcVq) .

![Source History Graphs](https://api.archbee.com/api/optimize/mzxtTQEvCNIdUNgF2kuwJ/fJlblyiOncl1wgruCvyUc_image.png)

Data is shown on separate line graphs for each topic that is relevant for the selected Source. Click on the section headings to expand/collapse the graph display.

Each graph shows color coded lines indicating the events that occurred over time. A key indicating the colors used to represent various types of data is shown below each graph.

The graphs have the following functionality:

- Set the time range of the display either by selecting one of the preset time ranges or by entering a custom time range. (Default: *Last 6 hr*)

:::hint{type="info"}
One year of history is saved in the ZEN Master database even though the graphs show larger timeframes. Contact Zixi if you require more than one year of history.
:::

- Manually refresh graph data or set the automatic refresh frequency.
- Hover over a point on the graph to show the total values for that time.
- Click and drag the cursor over a time range to zoom in on that time range.
- Double click on the graph to zoom out on the graph (i.e. expand the time range).
- Click on the title of a data element in the key to display only that element.

:::hint{type="info"}
* ZEN Master treats all graphs as a single component so that the zoom time range set for one graph is automatically applied to all graphs on that screen. Similarly, when you hover over a point on one graph, the tool-tip values are shown for the same point in time on all of the graphs.
* The granularity of the graph depends on the zoom level. Most graphs can zoom in to a resolution of one datapoint per minute.
* For broadcasters v14.1+, data is gathered at 5 second intervals. This enables ZEN Master to show min. and max. values for RTT, jitter and bitrates based on 5 second intervals within a given datapoint.
:::

The following sections describe the various graphs that are shown in the History tab.



- [Source History Content Analysis](docId\:PVW9iCpg49eu99XFyYwR9) 
- [Source History SCTE-35](docId:-jHt7KXDb6sgzZoGrJBx6) 
- [Source History Network](docId\:lZHvDL4YY6lrVaWTZxIXZ) 
- [Source History Failover](docId:_aahwGkV-snVZt_BcFTo0) 
- [Source History Network Bitrate](docId\:zkdlj0o42fLGoP4SaOxZh) 
- [Source History Elementary Stream Bitrates](docId\:hRLyMz9PPexP8sZ8eMAvs) 
- [Source History Frame Delivery %](docId\:Fl3UJtwawPGBeTwCIqj0E) 
- [Source History Encoding Quality ePSNR](docId\:USjyWgfUK7rbD0hVqd0ZA) 
- [Source History Packet Timing](docId\:QYUvH4qRp2xmnyJY_k81J) 
- [Source History Bonding (for Network Bonding Sources)](docId\:rPApl0NvWWqgFZrRs3vY3) 
- [Source History Traceroute](docId\:A3FAy5SZOHg7D_ApiMJLb) 
- [Source History Encoding Quality eVAMF](docId:6-849Y__KOzqGDGr74Egn)