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Reply to "What EXACTLY does the Alge PR1a sync cable do for you?"

The sync cable is ONLY used when there are two receivers and two transmitters set up in "FIS" finish line configuration.

Two reflector cell finish line do NOT use this cable.

The cable is only used on the transmit side and sets up an alternating pulse scheme so that the two cells do not interfere with each other.

There is a special cable (slightly different from iPod cable) that connects the transmitters. The small green led comes on when the beams are synced.

The cool thing about the PR1a is that all of the cells are the same. Each cell can either be a tx, rx or reflector cell.

Best racing photocell ever made.

That means that you can add just 2 more cells in the future at no penalty and create a through beam setup.
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