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  2. 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 ...

  3. Z-Wave - Wikipedia

    en.wikipedia.org/wiki/Z-Wave

    Z-Wave is a wireless communications protocol used primarily for residential and commercial building automation. It is a mesh network using low-energy radio waves to communicate from device to device, [2] allowing for wireless control of smart home devices, such as smart lights, security systems, thermostats, sensors, smart door locks, and garage door openers.

  4. User guide - Wikipedia

    en.wikipedia.org/wiki/User_guide

    User's guide for a Dulcitone keyboard. A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It is usually written by a technician, product developer, or a company's customer service staff. Most user guides contain both a written guide and associated images.

  5. Door control unit - Wikipedia

    en.wikipedia.org/wiki/Door_control_unit

    In automotive electronics, a door control unit (DCU) is a generic term for an embedded system that controls a number of electrical systems associated with an advanced motor vehicle. A modern motor vehicle contains a number of ECUs ( electronic control units ), and the door control unit (DCU) is one of the minor ones.

  6. Local door operation - Wikipedia

    en.wikipedia.org/wiki/Local_door_operation

    Brake Van doors and control panel covers for instance require keys to open, and in the case of door control panels require another key to prime them for use. Local door switches in the open position while disarmed usually activate the train's emergency braking systems; this prevents a door from opening by accident when a crew member arms the ...

  7. Mantrap (access control) - Wikipedia

    en.wikipedia.org/wiki/Mantrap_(access_control)

    An intercom and/or video camera are often used to allow the guard to control the trap from a remote location. In an automatic mantrap, identification may be required for each door, sometimes even different measures for each door. For example, a key may open the first door, but a personal identification number entered on a number pad opens the ...

  8. Delta-sigma modulation - Wikipedia

    en.wikipedia.org/wiki/Delta-sigma_modulation

    Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency as part of the process of delta-sigma analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).

  9. Armsel Striker - Wikipedia

    en.wikipedia.org/wiki/Armsel_Striker

    Sentinel Arms Striker-12—A fully licensed and improved copy of the Armsel Striker for the American market made by Sentinel Arms Co. It was available with an 18-inch barrel and a 7-inch stockless version. [5] Cobray/SWD Street Sweeper—A lower-end clone of the Armsel Striker, having a limited parts commonality to the original weapons system. [5]