Furuno CH-250 - Manual (Page 114)

SP - 2 E1316S01H
2.7 Marker Range and Bearing to Waypoint
2.8 Indication Unit Meter, feet, fathom, P/B
2.9 Audio Monitor 2 W output (4 ohms), Freq. 1.0 kHz (external speaker required)
2.10 Event Mark 5 points
2.11 Hue Low level enhanced echo disappeared
2.12 Red Color Enhancement Strong echo indicated as expanded to range direction
2.13 Arrival Mark Vector estimated point after 10 seconds to 6 min. (menu setting)
2.14 Target Lock (three function selected on menu)
Scanning Reverse Scanning orientation changed by pressing key
Location Search Auto-search for marker setting location
Echo Search Auto-search for signal level in a search zone, or manual search
2.15 Clatter Suppresses low intensity echoes.
3 TRANSCEIVER UNIT
3.1 Frequency 60/ 88/ 150 kHz, Auto-setting according to Hull Unit Specs.
3.2 Output Power 0.8-1.2 kW (due to frequency), power reduction function available
3.3 Output Pulse Length 0.2 to 20.0 ms, according to range
3.4 TVG Level: 100 dB max. , Distance: 1000 m
4 HULL UNIT
4.1 Transducer Travel 400 mm or 250 mm
4.2 Raise/lower Time 30 s at 400 mm travel
4.3 Ship’s Bow Setting Setting offset on menu at installation within ±30
°
4.4 Horizontal Mode Control
Scanning Angle 6
°
to 360
°
, 24
°
step
Scanning Center 6
°
steps, 360
°
setting available
Scanning Step Angle Normal: 6
°
, High speed: 12
°
Elevation Angle +5
°
to 90
°
, 1
°
step
Auto Tilt setting ±2
°
to ±10
°
4.5 Time to Train Full Circle
60 kHz:
Range (m) 10 20 40 80 120 160 200 250 300 400 500 600 800 1200 1600
Norm 9 9 9 9 10 13 16 20 24 32 40 48 64 97 128
Time
(sec)
Fast 9 9 9 9 10 12 14 16 18 22 26 30 37 54 70
150 kHz:
Range (m) 10 20 40 60 80 120 160 200 250 300 400 500 600 800 1000
Norm 7 7 7 7 7 10 13 16 20 24 32 40 48 64 81
Time
(sec)
Fast 7 7 7 7 7 9 11 13 15 17 21 25 28 36 45