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## What are Degrade Zones?
Degradation zones are areas like tunnels, underground areas, or mountain valleys that would experience signal loss in a realistic scenario. [Custom voice effects](https://docs.sonoransoftware.com/radio/tutorials/usage/dispatch-panel/custom-voice-effects) will distort the audio more as signal loss increases.
## Creating and Modifying Zones
### Via Radio Panel
Degrade Zones via Panel
Use the polygon, square, or circle tool to create a new zone. Select the zone to customize the name, Z coordinates (floor and ceiling height), and the degrade strength.
### Via In-Game Menu
1. Accessing the Menu
Open the menu with the in-game `/radiomenu` command and select `Degradation Zones`
Sonoran Radio -
2. Zone Configuration Options
In the `Degradation Zones` menu, you can specify the strength and add points to create a 3D zone.
When creating a zone you can visualize via the drawn polygon and manipulate and move your last placed point using the on-screen controls
Sonoran Radio - Degradation Zone Options
Sonoran Radio - Degradation Zone Poly
`Strength` \
\- The percent the signal strength will be cut by when inside the zone (0-1).\
\- Example: 0.5 = 50% [voice effect](https://docs.sonoransoftware.com/radio/tutorials/usage/dispatch-panel/custom-voice-effects) degradation
`Add Point to Zone`\
\- Adds another point to the 3D zone
`Undo Last Point`\
\- Removes the last place point in the 3D zone
`Min Z`\
\- The minimum Z value (floor height) of the 3D zone
`Max Z`\
\- The maximum Z value (ceiling height) of the 3D zone
`Finish Zone Creation`\
\- Finishes the 3D zone and saves to the `tunnels.json` file
`Cancel Zone Creation`\
\- Cancels the 3D zone editor and closes the menu
3. View and Remove Configured Zones
Select `Edit Degradation Zone` in the menu and toggle on `Show Zones`. All configured zones on the map will be displayed in green. If the config.lua's `debug` mode is set to `true`, all zones will also be made visible.
Use the `Select Zone` menu option to swap back and forth between zones. Your selected zone will be displayed in red.
Use the `Delete Zone` menu option to delete the selected (red) zone.
