This is normal behavior. That clicking is a relay/transmitter which is delaying the activation of the audio output of the Tracker unit so there's no loud pop noticeable on your speakers or headphones on the on/off toggle.
This is normal behavior. That clicking is a relay/transmitter which is delaying the activation of the audio output of the Tracker unit so there's no loud pop noticeable on your speakers or headphones on the on/off toggle.