FM-4850 Operator's Manual
6. GNSS receiver
6.1 Receiving Frequency
6.2 Number of channel
6.3 Accuracy
6.4 Position fixing time (cold start) 120 sec typical
6.5 Position update interval
7. SPEAKER POWER OUTPUT
7.1 Handset
7.2 Speaker
7.3 Hailer speaker
8. INTERFACE
8.1 Number of port
8.2 NMEA0183 [Sentence]
Input
Output
8.3 NMEA0183 [Load requirements as a listener]
Isolation
Input impedance
Max. voltage
Threshold
8.4 NMEA0183 [Output drive capability]
8.5 NMEA2000 [PGN]
Input
Output
1575.42 MHz
72 channels
10m
1 sec
1W (16ohm)
3W (8ohm)
30W max. (4 ohm)
15W (4 ohm, 1kHz, 12.0V, 10% distortion)
NMEA0183 1 port, NMEA2000 1 port
DTM, GGA, GLL, GNS, RMA, RMC
DSC, DSE, GLL, RMC, VDM
Opto-coupler
520ohm
± 15V
1.3mA
R=54 ohm, 1.5V min.
Short circuit output current : ± 250mA
059392/904, 060160/416/928, 065240, 126208,
127258,129026/029/044
059392, 060928,126208/464/993/996/998,
129025/026/029/038/039/040/041/540/793/794,
129795/797/798/801/802/808/809/810
109
SPECIFICATIONS