Furuno FS-5070 Operator's Manual page 210

FURUNO
1.3.3 Sensitivity
1.4 Intermediate frequency
1.5 Selectivity
1.6 Inter-modulation
1.7 Spurious response
1.8 AGC
1.9 BFO frequency
1.10 Audio output power
1.11 Standard features
2 DSC/WATCH KEEPING RECEIVER
2.1 DIGITAL SELECTIVE CALLING
2.1.1 Frequency shift
2.1.2 Baud rate
2.1.3 Protocol
2.1.4 Modulation
2.1.5 Distress alarm
2.1.6 Distress alarm memory
2.2 DSC/WATCH RECEIVER (FS-1570/2570)
2.2.1 Frequency range
DISTRESS
ROUTINE
2.2.2 Class of emission
2.2.3 Antenna impedance
2.2.4 Local oscillator
2.2.5 Frequency stability
2.2.6 Intermediate frequency 1st: 54,455 kHz, 2nd: 455 kHz
Input level at 10 ohm+250 pF (below 4 MHz) and 50 ohm
(above 4MHz) to produce SINAD 20 dB
Frequency Range
100 kHz to 300 kHz
300 kHz to 1.6 MHz
1.6 MHz to 4.0 MHz
4.0 MHz to 30 MHz
1st: 72,455 kHz, 2nd: 455 kHz
J3E: 2.4kHz at -6dB, H3E: 6kHz at -6dB, J2B (F1B): 300Hz at –6dB
Better than 80 dBµV
Better than 70 dB
SLOW/FAST/OFF
Telex/DSC: 1,700 Hz, Facsimile: 1,900 Hz
FS-1570/2570:
FS-5070:
Handset: 2.5mW/150 ohm, Line output: 0 dBm/600 ohm
Noise Blanker, Voice-activated squelch, Pre-selector
Space: 1785.0 ± 0.5 Hz, Mark: 1615.0 ± 0.5 Hz
-6
100 bps ± 30 x 10
FS-1570/2570: ITU-R Rec.M493-10, M541-8, M1082-1
FS-5070: ITU-R Rec.493-11, 541-9
AFSK
3.5 s to 4.5 s self-repetition
50 messages
2187.5/ 8414.5 and 4207.5/ 6312/12577/16804.5 kHz
2187.5 kHz
F1B, J2B
50 ohm
1st: F+54,455 kHz, 2nd: 54,000 kHz, 3rd: 456.7 kHz
±10 Hz
SP - 2
J3E/H3E
35 dBµV
25 dBµV
13 dBµV
7 dBµV
Internal speaker: 3W/8 ohm
External speaker: 4W/4 ohm
Internal speaker: 1W/8 ohm
External speaker: 3W/4 ohm
FS-1570/2570/5070
E5656S01A-M
080414