Furuno CH-270 SONAR User Manual


 
SP-1
SPECIFICATIONS
1. GENERAL
1.1 Display System 10.4-inch color LCD (640 x 480 dots), or locally supplied
monitor
1.2 Transmit Frequency 180 kHz
1.3 Output Power 0.8 kW, power reduction available
1.4 Range (factory settings)
Range (m)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Horizontal Mode
10 20 40 60 80 100 120 160 200 250 300 400 500 600 800
Vertical Scan Mode
10 20 30 40 60 80 100 120 160 200 250 300 400 500 600
1.5 Output Pulse Length 0.24 to 20.0 ms, according to range
1.6 TVG Level: 90 dB max., Distance: 0-1000 m
2. DISPLAY UNIT/ CONTROL UNIT
2.1 Picture Color Echo: 16 or 8 colors (echo)
Background: 3 colors selected (user setting available)
2.2 Display Mode Horizontal (Normal/Expanded), Vertical Scan, Echo
Sounder, Vertical Search
2.3 Combination Display Plotter, Vertical Scan, Strata, History
2.4 External Data Indication L/L, Depth, Course, Ship’s speed, Water current vector,
Track, Water temperature (External IEC 61162 data
required)
2.5 Audio Monitor 2 W output (4 ohms), Freq. 1.0 kHz (external speaker
required)
2.6 Event Mark 5 points
2.7 Target Lock (three functions, selected on menu)
Scanning Reverse Scanning orientation changed by pressing key
Position Search Auto-search for marker setting position
Echo Search Auto-search for signal level in a search zone, or manual
search
3. HULL UNIT
3.1 Transducer Travel 350 mm or 250 mm
3.2 Raise/lower Time 30 s at 350 mm travel, 4 s at 250 travel
3.3 Allowable Ship’s Speed 20 knot or less (15 knot during raise/lower operation)
3.4 Stabilizer Within 30°, optional motion sensor or clinometer required