- 3 seismic channels, 1 additional "monitor channel" for simulating the output of a conventional drum recorder.
- Sampling intervals: 2, 4, 8, . . . 128 msec.
- Digital signal processor performs high-precision phaseless FIR anti-alias filtering in real time; >120 dB alias protection.
- 16-bit standard resolution.
- Trigger output and external trigger input; flexible trigger algorithm (STA/LTA, STA/ threshold).
- TCXO clock with superior long-term stability.
- DCF-77 time code decoder built in, optionally works with GPS receiver.
- Automatic setting of absolute time.
- 4 MB static CMOS RAM data buffer.
- Two 1.4 MB floppy disk drives for data storage.
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