GREENVILLE, N.C. (WITN) – East Carolina University officials say they will test indoor and outdoor speakers Thursday morning.

Today and Friday between 9 a.m. and 4 p.m., the speakers on ECU’s campus will sound.

Officials says those in the area of the main campus and health sciences campus may hear a tone and test message repeated several times.

A full test of the ECU Alert System will be done Friday at 3 p.m.