Annunciator (Noun)
Meaning
An indicator that announces which electrical circuit has been active (as on a telephone switchboard).
Classification
Nouns denoting man-made objects.
Examples
- She adjusted the annunciator to better illuminate which line was ringing on the switchboard.
- When the alarm sounded, the control room Annunciator immediately flashed to pinpoint the malfunctioning zone.
- Telephone operators once relied on Annunciators showing which circuits were active to determine who to connect.
- In the main control room, technicians used Annunciators on their panels to manage different telecommunications circuits.
- This phone system's Annunciator allowed administrative assistants to prioritize calls coming in from multiple lines.