Furuno Black Box Searchlight Sonar CH-250BB user manual

Summary of the content on the page No. 1

Sector and Full Circle Scanning Sonar
B l a c k Box S e a rchlight Sonar
Model C H - 2 5 0 B B
• Choice of frequency: 60, 88 or 150 kHz • Audible target detection freeing the
operator from a continuous display watch
• Select virtually any size non-interlaced,
VGA or higher PC monitor CRTs, as well as • Shared monitor utilization of Radar and
flat panel color LCDs (VGA – 640 x 480) PC systems with standard PC monitor
switching system
• Target lock on a fish school or L/L position
of a designat

Summary of the content on the page No. 2

SPECIFICATIONS OF CH-250BB 1. Range Scales and Pulse Length 150 kHz Range 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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 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 7 7 7 7 7 10 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. 1