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System pro M TWA-1/TWA-2 Electronic Astronomical Clock Manual

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This document describes the System pro M electronic astronomical clocks TWA-1 (1-channel) and TWA-2 (2-channel), which automatically control loads based on sunrise and sunset times using programmed longitude/latitude parameters. It covers technical specifications, programming modes (astronomical and expert), and the use of a programming key for saving and copying schedules.

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