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The switch near the 1/2AA Lithium battery located inside the cover must be turned on before
you plug the timer into a power outlet.
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Two types of alarms are currently available on the market. The first type is activated when
current is cut off at the source; the other is activated when current is supplied to the input.
Use the NO terminal for an alarm of the first type; otherwise use the NC terminal.
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TC4-T30.rev.05