5.
Wait 5 seconds and then remove power from the reader.
6.
Place a mini-jump over one (1) pin of JP4 and remove JP3.
7.
Add power to the reader and resume normal operations.
NOTE: Mode 4 is not available in Native Mode. Beeping and flashing
LEDs indicate that Mode 4 has erroneously been set in Native Mode.
12
Model 840/845 Contactless Smart Card Reader