The Tektronix AFG3000 Series of Arbitrary/Function Generators come equipped with ArbExpress Software, a context-sensitive help system, a USB memory interface, ground isolation, a color or monochrome LCD display, and three functions in on generator. The three functions are an Arbitrary Waveform Generator, a Function Generator, and a Pulse Generator. Several of the models in the Tektronix AFG3000 Series also have LAN and GPIB interfaces. The AFG3000 Series of Arbitrary/Function Generators have 25 MHz, 100 MHz, or 240 MHz sine waveforms, which varies from model to model. This series has options for manuals in multiple languages and can also change the front panel overlay language to match.