Furuno FM-4800 Operator's Manual page 128

7. SPEAKER POWER OUTPUT
7.1 Built-in speaker
7.2 Microphone
7.3 Handset
7.4 External speaker
7.5 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
9. POWER SUPPLY
9.1 Power voltage
9.2 Power consumption
10. ENVIRONMENTAL CONDITION
10.1 Ambient temperature
10.2 Relative humidity
10.3 Degree of protection
3W (8ohm)
1W (16ohm)
1W (16ohm)
3W (8ohm, Via a handset extension cable)
5W (8ohm, Via pigtail)
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
12.0 V DC (-10%, + 30%)
Transmit : 5 A (at 25W output, with all options)
Receive : 2.5 A (at 3W audio output)
Standby : 1 A
-15 ℃ to +55 ℃
93% or less at +40 ℃
IP67 (FM-4800, HS-4800, SP-4800)
120