Ive only had my striker 5cv a few seasons but when using the gt8 ice ducer that comes with the ice pack i dont think its compatiable with the clear vu feature,thats a open water feature that needs the appropriate open water transducer.i can only use traditional sonar,ascope or flasher using the gt8.i dont like how i cant run traditional and flasher split screen but can use zoom and regular view split and ascope.like i said im not all that great with the features yet but know ive never been able to select clear vu with the gt8.