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FURUNO
FS-1570/2570/5070
SP - 3 E5656S01A-M
080414
2.2.7 Selectivity -6 dB: 270 Hz to 300 Hz, -30 dB: within ± 380 Hz,
-60 dB: within ± 550 Hz
2.2.8 Receiving system Double-conversion superheterodyne
2.2.9 Radiation within 4 nW
2.2.10 RX error rate 1 % or less at 1 µV input voltage
2.2.11 Spurious response 31.6mV non-modulated at 10µV input voltage,
at error rate within 1%
2.2.12 Scanning reception max. 6 frequencies within 2 s (MF/HF)
2.2.13 Diagnosis Transmit high frequency signal of DSC
2.3 DSC/WATCH RECEIVER (FS-5070)
2.3.1 Frequency range
DISTRESS 2187.5/ 8414.5 and 4207.5/ 6312/12577/16804.5 kHz
ROUTINE 1,606.5 kHz to 27.5 MHz
2.3.2 Class of emission F1B, J2B
2.3.3 Antenna impedance 50 ohm
2.3.4 Local oscillator 1st: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
2.3.5 Frequency stability ±10 Hz
2.3.6 Intermediate frequency 1st: 54,455 kHz, 2nd: 455 kHz
2.3.7 Selectivity -6 dB: 270 Hz to 300 Hz, -30 dB: within ± 380 Hz,
-60 dB: within ± 550 Hz
2.3.8 Receiving system Double-conversion superheterodyne
2.3.9 Radiation within 2 nW
2.3.10 RX error rate 1 % or less at 1 µV input voltage
2.3.11 Spurious response 31.6mV non-modulated at 10µV input voltage,
at error rate within 1%
2.3.12 Scanning reception max. 6 frequencies within 2 s (MF/HF)
2.3.13 Diagnosis Transmit high frequency signal of DSC
2.4 GENERAL Watch KEEPING receiver (FS-2570, option)
2.4.1 Frequency Range 1,606.5 kHz to 27.5 MHz
2.4.2 Class of Emission J2B, F1B
2.4.3 Antenna Impedance 50 ohms
2.4.4 Local Oscillator 1st: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
2.4.5 Frequency Stability within ±10 Hz
2.4.6 Intermediate Frequency 1st: 54,455 kHz, 2nd: 455 kHz
2.4.7 Selectivity -6 dB: 270 Hz to 300 Hz,
-30 dB: within ± 380 Hz,