... s 4-ch synchronization input 2.16-ch digital input/output 3.Software auto-calibration 4.256K ... s/chChannel No. : 4-ch synchronization analog input AD Memory: 64K word FIFOAnalog Input Range: ±5V, ±2.5V ... outputDA Memory: 256K word RAM/chAnalog Output Range:0~5V, 0~10V, ±5V,±10V16-ch digital input/ ... bus 14-bit 4MS/s/ch digital analog data acquisition card with memory trigger and software auto-calibration