XTalk Cancellation
Crosstalk cancellation may help reduce return channel audio leaking into the mic input. There are 3 settings:
1.Automatic: Active when the input and output is via an external interface, e.g. headset.
2.Off: (Default) Always inactive.
3.On: Always active.
To adjust this setting:
1.Tap the Configuration 
symbol.
2.Tap Offline Recording.
3.Tap XTalk Cancellation.
4.Tap to select a setting.
5.Tap Settings in the top left-hand corner of the screen.
