This security change in Airport exists because they fear that the batteries might have been replaced by explosives or that the device might be a fake one, so they ask you to switch on your electronic device in order to check that it's a real battery and a "real" working device.
Moreover, the targeted devices are mostly phones, tablets and laptops (I even read that they especially look for Samsung &amp; Apple devices).

I guess an electric violin is quite similar to an (passive) electric guitar, so there is probably no battery on your device and not much electronics. 

So you're probably okay with your instrument (regarding this specific safety rule change).

Travelling with electric violin under revised airport security rules
I have inherited a VAX system that was just migrated onto CHARON-VAX (VMS emulated on Windows) I can access it via ssh, but not with X. Anyone here familiar with DECwindows? is it X compliant? Or do I need a specific client to access it? Are there any "hidden" config files to me modified to enable X sharing?
