# Protocol Viewer

Source: https://help.malighting.com/grandMA3/2.3/HTML/osc_protocol_viewer.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

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The [Protokol app](https://hexler.net/protokol) by Hexler is a test / monitoring tool to check OSC. It works on any device including smartphones.\
![](/img/grandma3/2-3/img_osc-zactrack_6_v1-9-35605e.png)