How to reset the D9210B to default.

1. Turn dipswitches 5 and 6 to the "OFF" position on the D9210B.
2. Remove power from the D9210B for 1 minute.
3. Return dipswitches 5 and 6 to the "ON" position on the D9210B.
4. Return power to D9210B.
5. Momentarily close the reset pin on panel. - This will force the panel to re-send card data to the D9210B (It may take several minutes to do this).

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