• Array-processing Options:
   adjacent channel-summing
   (12.5 summed to 25 m)
 • High-cut Filter Options:
   none (digital anti-alias
   in Streamer module of MSX)
 • Low-cut Filter Options*:
   - OUT (unswitchable Analog
   filter 2 Hz @ 6 dB/octave);
   - 2 Hz (Analog filter +2 Hz @
   6 dB/octave);
   - 4 Hz (Analog filter +4 Hz @
   12 dB/octave);
   - 6 Hz (Analog filter +6 Hz @
   12 dB/octave);
   - 8 Hz (Analog filter +8 Hz @
   18 dB/octave).
 • Low-cut Filter Type: digital;
   Infinite Impulse Response (IIR)
 • Low-cut Filter Application:
   Seismic & Auxiliary data to display,
   tape (both or none)
 • Number of Water-break Channels:
   up to one per Streamer module
 • Supported Tape Drive:
   IBM, Magstar, 3590
 • Number of Tape Units: up to 8
   on each recording buss
 • Dual-recording: Simultaneously on
   SCSI busses A & B
 • Interfaces:
   - Guns- RS-232 Serial or Ethernet;
   - Navigation- RS-232 Serial or
   Ethernet;
   - Network- Ethernet hub provided
   for printer, external data port,
   X-terminal, etc.;
   - Plotter- Versatec interface;
   - External control- Configurable
   polarity, optically-isolated;
   - Start- Input from Navigation
   controller;
   - Fire- Output to Source controller;
   - Time Break- Input from
   Navigation/Source controller
 • Types of displays:
   - Channel-set plots & amp;
   trace-gathers;
   - Cable Monitor with real-time
   data-snooping; trace-header &
   channel-set decoders; rms-noise
   gate per channel per shot;
   oscilloscope displays multiplexed &
   de-multiplexed data
 • Data-snooping: Real-time,
   user-defined detection of dead,
   weak, noisy & spiking channels
   displayed on Cable Monitor
 

 • Oscilloscope: Single channel or
   1,920-multiplexed channels @
   2-ms sampling rate
 • GPS time synchronization
 • Automatic observer's and
   tape cartridge's logs
 • Instrument QC:
   - Types of tests: Noise, impulse
   response, total harmonic distortion,
   cross-feed, digital pattern, dynamic
   range & spectral analysis;
   - Automated testing:  Instrumental
   QC-editing for cables, recorder,
   beginning-of-line, during-line,
   end-of-line & user-defined tests;
   - Test output-raw data: Tape,
   display & print;
   Test output-analysis: Display,
   print, plot & file
 • Cable Power:
   - 2,000 W max per streamer;
   - Constant current;
   - Control ON/OFF via
   operator-interface or Power
   controller;
   - Tension-monitoring of cables:
   Operator's display in Newtons &
   panel's display in pounds-force
   (average or peak-to-peak);
   data records to tape inside header
   after every shot (requires Cable
   Head Section installed into each
   Streamer)
 • Auxiliary Channels:
   - Base number of channels:
   16 (HSX & MSX TM modules
   are not included);
   - Channel-expansion increment: 32;
   - Maximum number of channels: 64;
   - Channel GAIN (fixed): Seismic GAIN
   x 1/10;
   - Sampling rate: Matches seismic chs;
   - Maximum input signal: 20.48V;
   - Frequency response: Matches
   seismic channels;
   - Power consumption: 50 W for base
   16-channel configuration
 • Physical Equipment:
   - Console (OCM);
   - Desktop workstation with dual,
   20-inch, color displays;
   - SeisQC (EVP) 20-inch,
   color display;
   - Plotter 24-inch, 200/400 dpi,
   thermal plot;
   - Printer HP postscript laser
   with Ethernet interface
 • Ambient operating temperature:
   +10°C to +40°C (+10°F to +40°F)