We can send a robot to Mars,talk to it,listen to it,control it's every movement but we can't communicate between a trim gauge in the front and a sender in the rear.I know when the drive is all the way up or down by listening to the pump.I know when I am trimmed right by listening to the engine and watching the tach.I cannot do any of this reliably by looking at the trim gauge. Why do we have the @#$% things?