I have a problem trying to get the HSI and the digital attitude indicator to turn on?I clicked the avionics master switch but it still doesnt come on.Any ideas?Thanks

>I have a problem trying to get the HSI and the digital>attitude indicator to turn on?I clicked the avionics master>switch but it still doesnt come on.>>Any ideas?>>ThanksSounds like a registration issue. Don't hesitate to post your concerns on the Aeroworx forum. Henning and others are always quick to help with any issues. Excellent support.Also, identify yourself so that others know who they're talking to. Hope this helps.Regards,