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SteelSeries (styled as steelseries), formerly Icemat, is a Danish manufacturer of gaming peripherals and accessories, including headsets, keyboards, mice, controllers, and mousepads. SteelSeries was acquired by GN Store Nord in 2021.
Asus Xonar is a lineup of PC sound cards by Taiwanese electronics manufacturer ASUS. The lineup currently comprises the following models: Product Form factor
A white or amber LED (depending on model) is located on the top edge of the display, illuminating the keyboard to allow use in low-light conditions. It is activated with the key combination Fn-PgUp (the bottom left and top right keys of the keyboard). Later ThinkPads use the combination Fn-Space instead. Lenovo later started to include backlit ...
The system, using equipment termed Low Frequency Analyzer and Recorder and a process termed Low Frequency Analysis and Recording, both with the acronym LOFAR, was to be based on AT&T's sound spectrograph, developed for speech analysis and modified to analyze low-frequency underwater sounds.
The LIMIS (limpet mine imaging sonar) is a hand-held or ROV-mounted imaging sonar for use by a diver. Its name is because it was designed for patrol divers (combat frogmen or clearance divers) to look for limpet mines in low visibility water. The LUIS (lensing underwater imaging system) is another imaging sonar for use by a diver.
Side-scan sonar imagery is also a commonly used tool to detect debris items and other obstructions on the seafloor that may be hazardous to shipping or to seafloor installations by the oil and gas industry. In addition, the status of pipelines and cables on the seafloor can be investigated using side-scan sonar.
Sonar systems are generally used underwater for range finding and detection. Active sonar emits an acoustic signal, or pulse of sound, into the water. The sound bounces off the target object and returns an echo to the sonar transducer. Unlike active sonar, passive sonar does not emit its own signal, which is an advantage for military vessels.
Key rollover is the ability of a computer keyboard to correctly handle several simultaneous keystrokes. A keyboard with n-key rollover (NKRO) can correctly detect input from each key on the keyboard at the same time, regardless of how many other keys are also being pressed. Keyboards that lack full rollover will register an incorrect keystroke ...