2.Display Modes
1. Full circle searchlight
2. Zoom (x 1.5)
3. Vertical-fan scanning
4. Vertical sounding
5. Full circle search and Vertical scan
6. Full circle search with Historical display
7. Semi circle search and Strata display
8. Full circle search and Video Plotter
3.Color 8 or 16 colors, plus white
4.Audio monitor 1000 Hz
5. TX Output Power 0.8-1.2 kW
6. Beamwidth (at -3 dB)
60 kHz 15˚ (H) x 12˚ (V)
88 kHz 11.5˚ (H) x 9.5˚ (V)
150 kHz 6.5˚ (H) x 6.5˚ (V)
7. Transducer Control
Tilt 0˚ to -180˚ at 3˚ or 6˚ steps (in vertical scan)
+5˚ to -90˚ at 1˚ steps (in full circle scan)
Training sector
Manual or automatic training at 6˚ or 12˚ steps
in search sector of 6˚-360˚
Target Lock By L/Lor Echo position
8. Interface NMEA0183 Ver. 1.5, 2.0 (IEC 61162-1)
Input: DBS, DBT, DPT, GGA, GLL, HDG, HDM, MDA,
MTW, RMA, RMC, VDR, VHW, VTG
Output: TLL

POWER SUPPLY

Display/Control unit 12-32 VDC, 55 W
Hull unit 12 or 24/32 VDC, 55 W
(200 W while raising/lowering transducer)
SPECIFICATIONS OF CH-250BB
REMOTE CONTROLLER (OPTIONAL)
CSH-256
Weight 0.3 kg, 0.7 lb
INTERCONNECTION DIAGRAM
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. 1600 m (60 kHz), 1200 m (88 kHz), 1000 m (150 kHz).
Training speed is subject to the system frequency and range scales. Two speeds on long range scales.

EMC AND ENVIRONMENT

Complies with IEC 60945
Display Unit: -15˚C to +55˚C
Water Resistance: IEC IPX5

EQUIPMENT LIST

Standard
1.Control Head CH-252 1 Unit
2.Hull Unit CH-254 (travel 400 mm) or
CH-255 (travel 250 mm) 1 Unit
3.Transceiver unit CH-253 1 Unit
4.Installation materials and spare parts 1 Set
5.Interface box IF-8000 1 Unit
6. Motion sensor MS-100 or Clinometer BS-7004
Optional
1. Non-Interlaced, Multi-sync PC Monitor (VGA640 x 480)
2.Remote controller CH-256
3.Rectifier RU-1746B-2
4.External Speaker
5.1 m tall steel tank,
1.8 m tall steel tank,
3.5 m tall steel tank,
1 m tall FRP tank,
1.8 m tall FRP tank,
1 m tall aluminum tank
6.NMEAcable
HULL UNIT
CSH-254 (Travel 400 m) 43 kg, 94.8 lb
CSH-255 (Travel 250 m) 42 kg, 92.6 lb
TRANSCEIVER UNIT
CSH-253
Weight 3.2 kg, 7.1 lb
SPECIFICATIONS SUBJECTTO CHANGE WITHOUT NOTICE
Furuno USA, Inc. • 4400 NW Pacific Rim Blvd. • Camas, WA 98607 • Tel: (360) 834-9300 • Fax: (360) 834-9400 • www.Furuno.com
INTERFACE UNIT
IF-8000