The TDS 700C and the TDS 500C Series includes five models of InstaVuTM acquisition digital storage oscilloscopes (DSOs) ideal for electronic design engineers responsible for characterizing, debugging and verifying high-speed systems with communications interfaces. A new Communication Signal Analyzer package provides communication signal triggers on data rates between 64 kb/s and 1 Gb/s, four new automatic measurements, as well as signal mask testing for more than 30 communication signal types and SONET/SDH and FibreChannel optical reference receivers to ensure designs comply with a wide variety of communication industry standards. Standard features of the TDS 700C and TDS 500C Series of DSOs include measurement statistics, waveform histograms, and optional record length to 8M.