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The setup button is located next to the Ethernet port of the DS202.
The Button is used to select an operating mode of the DS202:
| • | When the DS202 is powered up with the button pressed it enters a serial upgrade mode in which new application firmware file can be uploaded into the DS202 through its serial port. If the DS202 is powered up with the setup button not pressed the Device proceeds to running its current application firmware. This functionality is delivered by the Monitor firmware component of the DS202. |
* Strictly speaking, this is a functionality that is defined by the application firmware, not the DS202 hardware.
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