An electrical annunciator is a device that signals when an electrical circuit is being used.
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Yes some banks now use annunciators for online banking the customer purchases the annunciator then can have the service turned on if your bank supports them.
You can find it in the tire.
When the headlights are on or the key is in the ignition.
That is a type of "annunciator", which comes from the root word, "Announce".
For synchronising the magnetic and gyro compass elements For synchronising the magnetic and gyro compass elements
The Annunciator Board was dismantled in1980 after serving as a means of communication between floor brokers and other floor constituents for over 70 years. The individual numbers on the "Big Board"were given to the respective members of the Exchange as memorabilia. The value of the Board can at best be said to be sentimental for a bygone era of the Exchange, however there probably is a collector market on Ebay.
Annunciator is usually an electrical device used to signal different events. For e.g. in a food court, you can have a token number. The token number for any order which is ready for service is usually flashed on a display board to notify. Another popular example is the extensions phones in hotels. The room number is flashed on the reception board. The device can be automated one also. For example fire alarms can notify a central monitoring system to show which room has caught fire.
A steady light in applicable APU fire pull handles; pilot and copilot CAUTION lights come on and APU fire light on the pilot's annunciator panel flashes and the audible horn sounds and an audible tone in the headset sounds.
HMI / Human Machine Interface would imply two-way communication. A monitor only shows information to the user; the user cannot directly ask the monitor for information. an HMI will provide some way for the human to input data (such as a mouse). A monitor, with no way to input data would be more along the lines of an annunciator (old school ones were just a bank of lights for alarms).
What is most often used to indicate an incorrectly read bar code is an audible annunciator of some kind. A bell or tone or "uh-oh" sound alerts clerks that something read wrong. In newer machines an error file is created that shows date and time plus till number /operator number where a scan fail has occurred . This can be used if there is a security request logged against the operation