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Light dimming unit for aviary or aquarium - can vary light levels under control of various input signals including night light level graduated by timer
Light dimming unit for aviary or aquarium - can vary light levels under control of various input signals including night light level graduated by timer
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机译：鸟舍或水族馆的调光单元-可以在各种输入信号的控制下改变光照强度，包括定时器分度的夜间光照强度
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摘要
The dimmer, which can be fitted into a conventional wall switch socket or wired into a supply lead, has two automatic modes of operation, selected by switches, keys, etc., in addition to conventional manually selected light level operation. It can be set to make a gradual redn. in light level to a min. `night-light' level from any previous setting. It can also be set to make changes in light level in response to electrical signal inputs, e.g. signals from a timer or a transducer which measures a physical property such as outside ambient light level, air humidity, sound level, etc.
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