Bell

The bell is a device placed on many walls at Gunn that plays a square wave tone at 659.255 Hz for 5 seconds and follows the bell schedule, including alternate schedules. Timothy Herchen once recorded the bell.

Glitches

On 9/27/2021 and 9/30/2021 (Monday and Thursday), the bell unexpectedly rang at 12:40, followed by a PA announcement at 12:45 saying the bell "that just rang" should be ignored. Additionally, on 9/27, there was a second unexpected bell at 12:55, with no announcement.