Regardless of the override source, proper indication of. the status of the external element is required. Solution: The HC900 Hand-Off-Auto (HOA) function block provides appropriate interface connections and functional. performance to support both hard-wired external HOA switches and/or internal HOA override control.
A general purpose map is a map that shows a variety of information about a place.General Purpose Map-A map that represents spatial information. Examples: Street Maps, City â¦ Maps. Purpose: To understand your surroundings.
Historical Maps. maps that reflect historical phenomena and events and that illustrate the interdependence of social developments of the past and geographic factors. Historical maps show the distribution of ancient cultures and states, indicate social movements and trade routes, and so on. They are subdivided into archaeological, ethnographic, his-toricoeconomic, historicopolitical, historicorevolutionary, military-historical, and historicocultural.