Furuno CH-250 Operator's Manual page 113

2.9 Audio Monitor
2.10 Event Mark
2.11 Hue
2.12 Red Color Enhancement
2.13 Arrival Mark
2.14 Target Lock (three function selected on menu)
Scanning Reverse
Location Search
Echo Search
3 TRANSCEIVER UNIT
3.1 Frequency
3.2 Output Power
3.3 Output Pulse Length
3.4 TVG
4 HULL UNIT
4.1 Transducer Travel
4.2 Raise/lower Time
4.3 Ship's Bow Setting
4.4 Horizontal Mode Control
Scanning Angle
Scanning Center
Scanning Step Angle
Elevation Angle
Auto Tilt setting
4.5 Time to Train Full Circle
60 kHz:
Range (m)
10
Norm 8
Time
(sec)
Fast 8
150 kHz:
Range (m) 10
Norm 7
Time
(sec)
Fast
7
4.6 Vertical Fan Mode Control
2 W output (4 ohms), Freq. 1.0 kHz (external speaker required)
5 points
Low level enhanced echo disappeared
Strong echo indicated as expanded to range direction
Vector estimated point after 10 seconds to 6 min. (menu setting)
Scanning orientation changed by pressing key
Auto-search for marker setting location
Auto-search for signal level in a search zone,
or manual echo search
60/ 88/ 150 kHz, Auto-setting according to Hull Unit Specs.
0.8-1.2 kW (due to frequency), power reduction function available
0.2 to 20.0 ms, according to range
Level: 100 dB max. , Distance: 1000 m
400 mm or 250 mm
30 s at 400 mm travel
Setting offset on menu at installation within ±30
6 to 360 , 24 step
6 steps, 360 setting available
Normal: 6 , High speed: 12
+5 to 90 , 1 step
±2 to ±10
20 40 80 120 160 200 250 300 400 500 600 800 1200 1600
8 8 8 10 13
8 8 8 10 12
20 40 60 80 120 160 200 250 300 400 500 600 800 1000
7 7 7 7 10
7 7 7 7 9
SP - 2
16 20 24 32 40
14 16 18 22 26
13 16 20 24 32
11 13 15 17 21
48 64 97 128
30 37 54 70
40 48 64 81
25 28 36 45
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