The AutoBell is a bell programmer for your school to automate the ringing of your bells or sounders.
The following image is the latest version of the AutoBell school programmer.
This guide is specifically focused on this model of AutoBell only.
To confirm you're looking at the correct AutoBell unit please confirm your can see the following switches:
Also a push button for:
Finally, please confirm you can see OMRON H5S printed on the top left corner of the grey programmer.
If you are using a different version of the AutoBell, please get in touch here