DDS-3X25 USB Combine Devices To generate the combine-device waveforms, please do the steps as follows: For example, we have two devices. 1. Connect them by the MULTIPROCESSOR LINK cable. (Caution: You must connect one device to the main interface of the cable!). 2. Connect them to the same oscilloscope. 3. Connect them to the same PC. 4. Open the two devices by software. 5. You can see the device serial number in the status window. 6. Change the “Phase” of “Device 2” to “0.5”. DDS-3X25 USB User’s Guide 40