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Logitech Y RCP 140

The light is located below the four arrow buttons to the right of the alpha keys and left of the numeric keys

It matters because I can't stand to see a light flashing that shouldn't be doing so.If a light on your car dashboard flashes, do you ask that same question?

The little light resembling a battery, located below the arrow key, is flashing.
Last week it was on steadily, so I replaced the batteries.
Today, it is flashing red.