Furuno FS-1570 User Manual
Page 209

SP - 3
E5637S01C-M
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
GENERAL WATCH KEEPING RECEIVER (FS-2570 ONLY, OPTION)
2.3.1 Frequency Range
1,606.5 kHz to 27.5 MHz
2.3.2 Class of Emission
J2B, F1B
2.3.3 Antenna Impedance
50 ohms
2.3.4 Local Oscillator
1
: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
2.3.5 Frequency Stability
within ±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 mW
2.3.10 RX Error Rate
1 % or less at 1
µ
V input voltage
2.3.11 Spurious Response
31.6 mV non-modulated at 10
µ
V 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
3
NBDP FUNCTION (OPTION)
3.1
GENERAL
3.1.1 Communication Mode
ARQ, FEC, DIRC (FSK)
3.1.2 Protocol
ITU-R M625-3, M476-5, M490, M491-1, M492-6
ID code
4, 5, 9 column
Line cord
4B/3Y (Intl.)
Modulation
AFSK
Tone frequency
1615/1785Hz ± 0.5 Hz (mark/space)
Tracking range
±80 Hz
3.1.3 Applications
Auto-reception
Setting timer and frequency (max. 10 settings available)
Frequency scanning
10 group max., 20 station as each group
User-channels
100 channels max.
4
TERMINAL UNIT (IB-583)
4.1
Display
10.4-inch color TFT 640 x 480 dots