If you don't scan with a xeno scanner, how can you tell when an interceptor's shields drop due to timeout? I know that if you shoot it and shields are up, the holo displays shield impacts. But I have been watching a lot of videos and it seems that a lot of people kite the interceptor at range then suddenly engage and the interceptor shields are down. Are they just using a known timer? Is there some visual clue? I can't figure this out.