SEL(redirected from SELS)
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In the lumber industry, abbr. for “select.”
SEL(SELect) A toggle switch that makes a peripheral device, such as a printer, available to the computer it is connected to.
|Printer SEL Key|
|The SEL key on this Okidata printer switches between available and unavailable. When the SEL light is on, the computer can send data to the printer. See dot matrix printer.|