# Unmatch RDM devices

Source: https://help.malighting.com/grandMA2/en/help/key_rdm_unmatch.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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To unmatch RDM devices from the patch:

1. Open the RDM devices window. Press Setup, and tap under **Show** at Patch & Fixture Schedule.\
   The **Edit Setup** opens.
2. Tap in the lower right corner at RDM devices.\
   The **RDM devices window** opens.
3. To select the fixture type you like to unmatch, tap at under **Discovered RDM FixtureTypes** at the fixture type.\
   The fixtures to the selected fixture type are displayed on the right side of the RDM devices window.
4. To select the fixture, tap at the fixture in the table on the right screen side.
5. Tap Unmatch.

The selected fixture is unmatched from the patch.

![](/img/grandma2/menu_discovered-rdm-devices_v3_2-da67e4.png)

_Unmatched RDM device_

**Hint:**\
You can also unmatch RDM devices by using the [keyword RdmUnmatch](/grandma2/key_keyword_rdmunmatch/).