When using the backup 9V battery to unlock from the outside of the door, should the battery actually connect to the exterior or just be “held” against the terminal? And in which direction should it be held to avoid reverse polarity?
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When using the backup 9V battery to unlock from the outside of the door, should the battery actually connect to the exterior or just be “held” against the terminal? And in which direction should it be held to avoid reverse polarity?
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When using the backup 9V battery to unlock from the outside of the door, should the battery actually connect to the exterior or just be “held” against the terminal? And in which direction should it be held to avoid reverse polarity?