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In electric power systems and industrial automation, ANSI Device Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. The device numbers are enumerated in ANSI / IEEE Standard C37.2 Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations .
Actuator lever – used to manually trip and reset the circuit breaker. Also indicates the status of the circuit breaker (On or Off/tripped). Most breakers are designed so they can still trip even if the lever is held or locked in the "on" position. This is sometimes referred to as "free trip" or "positive trip" operation.
A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced rotary dialing , that had been developed for ...
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The reset vector for 6502 processor family is a 16-bit address stored at 0xFFFC and 0xFFFD. The reset vector for 6800 and 6809 processor families is a 16-bit address stored at 0xFFFE and 0xFFFF. No Reset Vector. For 8051 / 8080 / 8085 / Z80, reset starts code execution at address 0x0000.
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Power On (IEC 60417-5007) and Power Off (IEC 60417-5008) symbols are used to indicate positions of the rocker switch Power button marked with Standby symbol (IEC 60417-5009) turns the device on or off without fully disconnecting power supply. A power symbol is a symbol indicating that a control activates or deactivates a particular device.
Control Panel has been part of Microsoft Windows since Windows 1.0, [1] with each successive version introducing new applets. Beginning with Windows 95, the Control Panel is implemented as a special folder, i.e. the folder does not physically exist, but only contains shortcuts to various applets such as Add or Remove Programs and Internet Options.