Furuno CH270BB Sonar


The Furuno CH270BB Sonar 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 CH270 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 CH270 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.

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