FURUNO

FS-1570/2570/5070

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

2.3DSC/WATCH RECEIVER (FS-5070)

2.3.1Frequency 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

2.3.6Intermediate 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

2.4GENERAL 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,

SP - 3

E5656S01A-M

080414

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Image 211
Furuno manual DSC/WATCH Receiver FS-5070