Most new scoreboards are operated via wireless signal, although some do have a hard wire either for backup or because the particular arena has experienced interferences on their wireless. I'm going to offer that in this case the clock on top of basket is receiving a wireless signal, while the main arena scoreboard is connected via hard cable like a standard co-ax or cat-5. If this were the case it can actually take longer for the signal to reach that distance, which MAY explain the very momentary delay of .02
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