Successful choral directors are typically expert musicians who are accomplished in the field of music. Depending on their employer, directors may be required to have some type of formal training in a related major, such as music or music education.
The term false alarm is actually a misnomer, and is regularly replaced by the term nuisance alarm. When a sensor operates, it is hardly false, and it is usually a true indication of the present state of the sensor.
Unsourced material may be challenged and removed. (July 2009) A false alarm, also called a nuisance alarm, is the deceptive or erroneous report of an emergency, causing unnecessary panic and/or bringing resources (such as emergency services) to a place where they are not needed.