Act of nature: An unusual, extraordinary, sudden, and unexpected manifestation of the forces of nature, which cannot be prevented by reasonable human care, skill, or foresight.

Alarm: Any set of mechanical or electrical devices or instruments designed or arranged to signal the occurrence of an unauthorized entry on the premises, unlawful act, or that which requires urgent attention and to which police department personnel are needed or expected to respond.

Alarm user: Any person who is responsible for the premises where an alarm system is located.

Audible alarm: A device which, when activated, generates an audible sound on or in the premises.

Automatic dialing device: A device which is interconnected with a telephone line and is programmed to select a predetermined telephone number and transmit by voice methods or code signal an emergency message indicating a need for emergency response.

False alarm: An alarm sign, eliciting a response by police when a situation requiring a response by police does not in fact exist, but does not include an alarm signal caused by violent conditions of nature or other extraordinary circumstances not reasonably subject to control by the alarm business operator or alarm user.

False holdup alarm: Any signal which indicates a robbery or holdup which is not the result of a holdup or robbery. (Ord. No. 349, 3-3-92; Ord. No. 2013-03, §§ 1, 2, 6-4-13. 1976 Code § 4-2-2)