---
title: AVExternalSyncDeviceStatus.unavailable
framework: avfoundation
role: symbol
role_heading: Case
path: avfoundation/avexternalsyncdevicestatus/unavailable
---

# AVExternalSyncDeviceStatus.unavailable

Indicates that external sync signal is not connected, or has transitioned to a state that is not recoverable.

## Declaration

```swift
case unavailable
```

## See Also

### Status values

- [AVExternalSyncDeviceStatus.activeSync](avfoundation/avexternalsyncdevicestatus/activesync.md)
- [AVExternalSyncDeviceStatus.calibrating](avfoundation/avexternalsyncdevicestatus/calibrating.md)
- [AVExternalSyncDeviceStatus.freeRunSync](avfoundation/avexternalsyncdevicestatus/freerunsync.md)
- [AVExternalSyncDeviceStatus.ready](avfoundation/avexternalsyncdevicestatus/ready.md)