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  2. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    Police code. A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or ...

  3. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    United States. [] In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens.

  4. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    This epileptogenic response can be triggered by lights flashing in the frequency range of 1020 Hz, regardless of color. While individual light sources used on emergency vehicles generally have much lower flash rates than this, [7] the Loughborough study suggests that such possibilities be minimized. It also notes that emergency workers may ...

  5. Warren Wilson, KTLA Reporter and Broadcaster, Dies at 90 - AOL

    www.aol.com/warren-wilson-ktla-reporter...

    Warren Wilson, the former KTLA broadcast journalist who spent four decades covering some of the biggest stories in Los Angeles’ history, died Friday at his home in Oxnard, Calif. He was 90. His ...

  6. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    For example, in the NYPD system, Code 10-13 means "Officer needs help," whereas in the APCO system "Officer needs help" is Code 10-33. The New Zealand reality television show Ten 7 Aotearoa (formerly Police Ten 7) takes its name from the New Zealand Police ten-code 10-7, which means "Unit has arrived at job". [citation needed]

  7. APCO radiotelephony spelling alphabet - Wikipedia

    en.wikipedia.org/wiki/APCO_radiotelephony...

    The APCO phonetic alphabet, a.k.a. LAPD radio alphabet, is the term for an old competing spelling alphabet to the ICAO radiotelephony alphabet, defined by the Association of Public-Safety Communications Officials-International [1] from 1941 to 1974, that is used by the Los Angeles Police Department (LAPD) and other local and state law enforcement agencies across the state of California and ...

  8. Hospital emergency codes - Wikipedia

    en.wikipedia.org/wiki/Hospital_emergency_codes

    Code red: fire. Code yellow: internal emergency. MET call: a medical emergency that is not cardiac or respiratory arrest. Code pink: a mother is going into labor unexpectedly, or there is a newborn medical emergency. Victoria, Australia. Emergencies (Public Hospital services) Code Red - Fire/Smoke. Code Orange - Evacuation.

  9. Aerial roof markings - Wikipedia

    en.wikipedia.org/wiki/Aerial_roof_markings

    Aerial roof markings. Aerial roof markings are symbols, letters or numbers on the roof of selected police vehicles, fire engines, ambulances, coast guard vehicles, cash-in-transit vans, buses and boats to enable aircraft or CCTV to identify them. These markings can be used to identify a specific vehicle, vehicle type or agency.