Re: Not a PC but...
I was once showing two VIPs round where I worked at the time and had been told to show them everything which included the racks of equipment in the server room, engineering spaces etc. So I was all in full tour guide mode and at my most enthusiastic when we reached the first security door. I said to them and said you either need to leave your phones here (a small shelf was provided) or turn them off. This was also written on a large yellow sign on the door but I made a point of checking that they understood. One of them was happy to comply and switched hers off immediately. The other was incensed by this and pointed out that I was just being difficult. I said that I wasn't "Just being difficult" I was following the correct procedures and If he didn't like it he could wait outside. He was very unhappy about this muttered about being a VIP and I indicated that the phone on the wall could be used to contact whichever manager had set the tour up. He called them and then after a brief discussion rather red faced apologised to me took his phone out and switched it off in full view.