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CH270B
Northland Auckland Waikato Bay% Of Plenty East Cape Taranaki Manawatu & Wanganui Hawkes Bay Wellington Nelson & Marlborough West Coast Canterbury Otago Southland

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CH270BB

  • Targets shown in 8 or 16 color targets including white
  • 180 kHz, 800 Watt (RMS) transmitter
  • 8 degree (vertical) x 8 degree (horizontal) transducer beam angle
  • 8 Display Operating Modes:
    Full screen - Horizontal scan sonar,15 range scales 2,500 feet or 500 fathoms
    Full screen - Expanded view, horizontal scan sonar
    Full screen - Vertical scan sonar, 15 range scales to 2,000 feet or 300 fathoms
    Full screen - Echo sounder, 15 scales to 2,00 feet or 300 fathoms with A-Scope
    Split screen - Horizontal scan sonar plus historical display
    Split screen - Horizontal scan sonar plus video plotter display*
    Split screen - Horizontal plus vertical scan sonar
    Horizontal scan sonar plus strata display
  • 3 custom mode keys for rapid system settings such as ôforward looking sonar scan'
  • Automatic soundome retraction at preset vessel speed, between 5 to 15 knots

  • 5 event marks with TLL output of the most current point

  • Front panel keys for normal or fast scan in a full- or half-circle search pattern
  • 3-function target lock using reverse train, L/L position or target search

  • Automatic tilt/train, audio monitor, omnipad control and much more

    The CH-270 is a new sophisticated searchlight sonar designed for small fishing vessels or pleasure craft. Individual fish, fish schools and underwater objects are displayed on a 10.4" color LCD. The echograms are displayed in 8 or 16 colors according to received echo strength the strongest echoes are red, the weakest are blue. One echo can be displayed in white so that a specific echo level is highlighted. The background color is also selectable for optimum viewing day or night.
    There are eight display modes: full circle scan, zoom, vertical scan, vertical sounder, the combination of full or half circle with vertical scan, full circle with history, full circle with strata and full circle with VideoPlotter. In the vertical scan mode, you can view the vertical plane in any direction around the vessel. The CH-270 features a unique "Cross Section Scan" to view the vertical plane. When you find a specific echo in the full circle scan mode, just push the appropriate "CUSTOM MODE BUTTON" and then the cross section scan window appears.

    The CH-270 provides two modes to track a targeted echo: target lock mode and L/L mode. The target lock mode permits automatic tracking of targeted fish schools within a predetermined search zone after it has been manually acquired. In the L/L mode, the beam is locked to the position (such as a fish shelter or reef) chosen with the target marker. This mode can be enhanced with more accurate position input such as DGPS or WAAS.

    The hull unit will fit any boat where a 147 mm (6") hull tube is available. Also, previously installed CH-18 or 28's can be upgraded to a CH-270 without drydocking since the hull unit is the same

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