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  2. Transfer switch - Wikipedia

    en.wikipedia.org/wiki/Transfer_switch

    A transfer switch is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a switch, while others are automatic and trigger when they sense one of the sources has lost or gained power. An Automatic Transfer Switch (ATS) is often installed where a ...

  3. Zenith Data Systems - Wikipedia

    en.wikipedia.org/wiki/Zenith_Data_Systems

    Zenith Data Systems Corporation (ZDS) was an American computer systems manufacturing company active from 1979 to 1996.It was originally a division of the Zenith Radio Company (later Zenith Electronics), after they had purchased the Heath Company and, by extension, their Heathkit line of electronic kits and kit microcomputers, from Schlumberger in October 1979.

  4. Automatic switching system - Wikipedia

    en.wikipedia.org/wiki/Automatic_switching_system

    In data communications, an automatic switching system is a switching system in which all the operations required to execute the three phases of Information transfer transactions are automatically executed in response to signals from a user end-instrument.

  5. Zenith SupersPort - Wikipedia

    en.wikipedia.org/wiki/Zenith_SupersPort

    Zenith Data Systems unveiled the SupersPort line alongside Zenith's TurbosPort 386 luggable computer on April 19, 1988. [4] Both the SupersPort and TurbosPort were marketed under the company's new Road Warrior umbrella of battery-powered portable computers, a project helmed by Andy Czernek and John Frank, VP of marketing and president of Zenith respectively. [5]

  6. Zenith Z-100 - Wikipedia

    en.wikipedia.org/wiki/Zenith_Z-100

    The Zenith Data Systems Z-100 is a pre-assembled version of the Heathkit H100 electronic kit. [2] In the same family, the Z-120 is an all-in-one model with self-contained monitor, and the Z-110 (called the low profile model) is similar in size to the cabinet of an IBM PC. [3]

  7. Mercury switch - Wikipedia

    en.wikipedia.org/wiki/Mercury_switch

    A Single-Pole, Single-Throw (SPST) mercury switch on millimetre graph paper, device length approximately 1.5 cm Another mercury switch design. A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit.

  8. Trans-Oceanic - Wikipedia

    en.wikipedia.org/wiki/Trans-Oceanic

    The Zenith 'T/O' began life in October 1941 with the production of the Model 7G605 'Trans-ocean Clipper'. Priced at $75, it was introduced in January 1942 but ceased production in April 1942 as Zenith shifted their production to war-related equipment. During this short production run, some 35,000 units were produced and sales data showed that ...

  9. Owner's manual - Wikipedia

    en.wikipedia.org/wiki/Owner's_manual

    All new cars come with an owner's manual from the manufacturer. Most owners leave them in the glove compartment for easy reference. This can make their frequent absence in rental cars frustrating because it violates the driver's user expectations, as well as makes it difficult to use controls that are not understood, which is not good because understanding control operation of an unfamiliar ...