---
title: isAdjustingSignalCompensationDelayWhileRunningSupported
framework: avfoundation
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+]
path: avfoundation/avcapturedevice/isadjustingsignalcompensationdelaywhilerunningsupported
---

# isAdjustingSignalCompensationDelayWhileRunningSupported

Whether adjusting the signal compensation delay property of an external sync device is supported while the session is running.

## Declaration

```swift
var isAdjustingSignalCompensationDelayWhileRunningSupported: Bool { get }
```

## Discussion

Discussion This property returns true if the signalCompensationDelay of an AVExternalSyncDevice being followed by this device’s AVCaptureDeviceInput can be adjusted while the AVCaptureSession is running.