Furuno SEARCHLIGHT SONAR CH-250 user manual

Summary of the content on the page No. 1

R
10.4" COLOR LCD DISPLAY
SEARCHLIGHT SONAR
Model CH-250
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High definition active matrix color LCD
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Choice of frequency: 60, 88 or 150 kHz
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Blackbox system configuration allows use of
optional CRT or LCD monitors
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Target lock on a fish school or L/L position
for a designated fishing area
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Pulse length automatically switched with
range to optimize performance on all ranges
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A specific color can be shown in white to
enhance the echo level display
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Instant selection of eight different
operat

Summary of the content on the page No. 2

Power search in eight modes for fishing and other sonar applications The CH-250 is a revolutionary, high-performance The CH-250 has another unique mode "Cross searchlight sonar designed for a wide range of Section Scan" to view the vertical plane. When you commercial fishing vessels. Fish and underwater find a specific echo appropriate "CUSTOM MODE objects are displayed on a compact color LCD BUTTON" and then the cross section scan window screen. Target echoes are presented in 8 or 16 appears.

Summary of the content on the page No. 3

FULL CIRCLE SCAN VERTICAL SCAN The full circle scan The vertical scan paints helps to detect fish the bottom profile within a schools at any user-specified vertical bearing, all around plane. the vessel. The cursor indicator reads slant range and soundome tilt. Combination of FULL/HALF Combination of CIRCLE with VERTICAL SCAN HALF CIRCLE with VERTICAL SCAN A unique feature Combination of of this sonar is the FULL CIRCLE with mode integrating VERTICAL SCAN the two images shown to the left. This

Summary of the content on the page No. 4

SPECIFICATIONS OF CH-250 1. Range scales and Pulselength 150 kHz Range 71 8 90 11 12 15 16 2 3 45 13 14 Meters 10 20 40 60 80 120 160 200 250 300 400 500 600 800 1000 Feet 40 80 120 200 300 400 500 600 700 800 1000 1500 2000 2500 3500 Unit Fathoms 10 20 40 60 80 100 120 140 160 200 250 300 400 500 600 P/B 10 20 40 60 80 100 120 140 160 200 250 300 400 500 700 Time to train full circle (s) 7771 7 70 12/13 14/16 16/20 18/24 22/32 26/40 30/48 38/64 46/81  Max scale depends on the system frequency