the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration. 2. something serving as proof or supporting evidence: They sent a check as a demonstration of their concern.
Code Yellow: Usually used for bomb threats. Code Purple: Child abduction, or when assistance is needed for a patient who is too heavy to transport. Code Pink: Infant or child abduction. Code Silver: Combative person with a weapon.
If a unit is responding to a call without lights or sirens (code 1), and the unit later needs to turn on lights and sirens (code 3), the term upgrade may be used. The term downgrade may be used in the opposite situation. Some Paramedic / EMS agencies use Priority terms, which run in the opposite of code responses. CODE 3: Life-threat response. 2  Emergency traffic, or simultaneous use of lights and siren required in order to achieve a rapid response. 3  This allows the responding unit to ignore jurisdictional traffic laws, but does not allow the responding unit to operate without due regard to safety.