annunciator

the annunciator signaled an incoming call.

he checked the annunciator panel for any warnings.

the annunciator light flashed red, indicating an emergency.

a loud buzzer sounded from the annunciator system.

the annunciator provided clear instructions for evacuation.

the control room monitored the annunciators for any unusual activity.

the annunciator system was crucial for safety in the factory.

engineers designed the annunciator to be user-friendly and intuitive.

the malfunctioning annunciator delayed the response to the fire alarm.

she relied on the annunciator to guide her through the complex building.