... 4-segments dynamic electronic focuses selectedPrc-proccssing: variable aperture, image direction, dynamic fker, edge enhancement, etcPost- proccssing: ... annotation, real time clock display.Puncture icad: Image B: Puncture guide line under B modeGain adjustmcnt ... with PAL standard monitor, Video thermal recorder, ultrasound image workstation, etcOptional features: multiple probes connectable, USB port, ...