Step 3. Place the DRO-375 in Program Mode
You must use the program switch to place the DRO-375 into program mode before downloading the OpenDRO software. To do this, open the DRO-375 and locate the PROGRAM switch on the upper right of the board by the FUNC key. Hold down the PROGRAM switch and plug power into the DRO-375. Keep the PROGRAM switch held down for 10 seconds and then release it. Disconnect the power and the DRO-375 should be in program mode and ready for the next step.