Furuno CN-24, Руководство по обслуживанию

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SPC-3
3. Maximum Pressure 5kg/cm
2
(equivalent to 50m)
4. Cable length & Strength 70m, tensile strength: more than 1000 kgf
5. Towing Speed Normal reception up to 6 knots
TRANSMITTER UNIT CN-2220
1. Signal Transmission Characteristics and Operating Hour of Battery Pack
Frequency Output Beam width Battery Operating hour TX Range*
33 kHz
34
o
(-3 dB) 3800 m max.
40 kHz 32
o
(-3 dB) 3000 m max.
50 kHz
2.4 W
28
o
(-3 dB)
20 hours (LR-20)
10 hours (BP-2)
2200 m max.
Frequency Output Beam width Battery Operating hour TX Range*
33 kHz 34
o
(-3 dB) 4500 m max.
40 kHz 32
o
(-3 dB) 3600 m max.
50 kHz
2.4 W
28
o
(-3 dB)
9 hours (LR-20)
5 hours (BP-2)
2800 m max.
* affected by sea condition and others
2. Signal Transmission Mode
Sync pulse
: Frequency shift code modulation
Echo : Frequency modulation
Depth/Water Temp : Pulse position modulation
3. Sounding Characteristics
Frequency Output Beam width Minimum range Max Detection Range
75 kHz 100 W 33
o
(-3 dB) 1.5 m 640 m
4. Sounding Rates and Sounding Range
Sounding Rate Sounding Range
Low 28-68 times/mm.
High 83-206 times/mm.
0 - 640 m
5. Pulse length 0.6 ms
6. Temperature Measurement -50C to +400C or 200F to 1000F (Accuracy *0.5%)
7. Maximum Depth & Ambient Temperature
2000 m, -100C - +400C
8. Power Supply
12VDC, Alkaline-manganese dry cell LR-20 8 pcs. Or Ni-Cd batterypack BP-2 (option)
Automatically switched on at 10 m deep point.