... waveform noise monitoringSupport multiple (at Windows interface) processing software: Superficial reflex processing, refraction, surface wave shear wave package, blasting ... , pulsating, high-density seismic imaging processing softwareClock: Annual timing clock, file recording time will ... Every six channels as a group, optionally chosen by software: 64 times (36dB), 16 times (24dB), 4 ...