What digital storage oscilloscope sampling method is

TDS2014 digital storage oscilloscope Key Features and Benefits: ◆ 200 MHz, 100 MHz, the 70 MHz and 50 MHz bandwidths ◆ 2 channel models and four channel models ◆ All channels up 2GS / s sampling rate on all channels ◆ 2.5k points record length ◆ Advanced triggering including pulse width trigger and choose a video trigger ◆ Ease of Use Features ◆ 16 automatic measurements and FFT analysis, a simplified waveform analysis ◆ ◆ built-in waveform limit testing Automation extended data recording function ◆ automatic setup and automatic signal range ◆ Built-in context-sensitive help probe check wizard ◆ ◆ Multilingual User Interface ◆ 5.7 inch (144 mm) active TFT color display ◆ small size, light weight: a depth of just 4.9 inches (124 mm) and weighs only 4.4 pounds (2 kg) connection :? USB 2.0 host port on the front panel, the stored data quickly and easily, print, and connect the USB keyboard on the rear panel USB 2.0 device port, easy connection to PC or print directly to a PictBridge-compatible printer comes standard with National Instrument digital storage oscilloscope Company LabVIEW SignalExpressTM TE Limited Edition and Tektronix OpenChoice software, connectivity table