Word: preset
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...radio transmitter was recently used in the rescue of a U.S. airman downed in the jungles of North Viet Nam. The transmitter emits a sirenlike radio beacon on preset frequencies, enabling rescuers to home in on survivors...
...torpedo can be launched either from aircraft or surface ships. It dives to a preset depth, speeds around in large circles, using secret, supersophisticated devices to seek out an enemy sub. If it finds nothing, the Mark-46 switches to "active echo ranging," breaks its circular pattern and snakes zigzag through the water like a hunter stalking a deer. Once the enemy is located, the torpedo homes in with its sonar...
...launched from a mother ship, generally a Lockheed C-130 Hercules, from a distance up to 200 miles away from the target area. The mother ship maintains line-of-sight radar surveillance, hovers around until the drone has taken its pictures and, with the help of its preset inertial guidance system, returns and parachutes or is guided to a soft landing. The Firebee is mostly used as a target drone, but, as the Ryan company itself points out in a brochure, it is "a stable platform and can house surveillance cameras...
What took ingenuity was figuring out how to operate a modern hotel at a profit and still provide for the 613 commandments Orthodox Jews must ob serve at all times. An Orthodox Jew cannot so much as press a button on the Sabbath, so the elevators are preset to go up and down automatically all day long, stopping at every floor. Since Jews can operate stoves if they are turned on before the Sabbath, all food in the kitchens is cooked before Friday sundown and then left to simmer through the night. Tearing toilet tissue is also forbidden by halacha...
...delegation (three U.S. generals, one British and one South Korean) went through the preset motions with North Korea's stony-faced delegates who practice the surly manners of their close ally and big brother, Red China. The two sides walked in from opposite ends of the Quonset hut that serves as conference room, sat down without greeting at the table placed squarely on the demarcation line. North Korea's General Chang Chong Whan launched into a vituperative speech accusing the U.S. of repeatedly violating the armistice and plotting to renew the war. U.S. General George Cloud sighed wearily...