Lowrance electronic 8VHF 用户手册

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页码 88
RECEIVER: 
Unit LIMIT
Intermediate Frequency  : 1st 
MHz 
21.4
 
: 2nd 
KHz 
450
Sensitivity 
: 12dB SINAD 
dBuV 
≤-6
Squelch Sensitivity : at tight 
dBuV 
≤6
Spurious Response Rejection Ratio 
dB 
≥70
Adjacent Channel Selectivity 
dB 
≥70
Intermodulation Response 
dB 
≥68
S/N at 3KHz Dev. 
dB 
≥40
Audio Output Power At THD 10% 
5W (external speaker output)
Audio Distortion 
≤5
Audio Response 
dB 
+1 to -3 dB of 6 dB/octave from 300 Hz to 3 kHZ
TRANSMITTER:
Frequency error 
PPM 
±5
RF Power 
 
Hi: 23 ± 2 / Lo: 0.8 ± 0.2
Maximum Deviation  
KHz 
± 5
S/N at 3KHz Dev. 
dB 
40
Modulation Distortion ±3KHz 
≤5
Audio Response at 1KHz Dev. 
dB 
+1 to -3 dB of 6 dB/octave  from 300 Hz to 3 kHZ
Spurious/Harmonic Emissions  : Hi/LO 
uW 
<0.25
Modulation Sensitivity 
mV 
≤20
Transmitter Protection  
 
Open/short circuit of antenna
COMMUNICATIONS:
Comm. port - NMEA 0183 
 
NMEA 0183, 4800 baud
Comm. port - NMEA 2000 
 
NMEA 2000
NMEA 0183 input (receive):  
 
RMC, GGA, GLL, GNS
NMEA 0183 output (transmit):  
 
DSC (for DSC call), DSE (for enhanced position). 
 
 
 
AIVDM (AIS)
HAILER:
Audio Power Out 
30W @ 4 Ohms
AIS:
AIS function 
 
Yes, dual receivers only
Receiver Frequency 
MHz 
161.975, 162.025
 
 
 
CH87 - 161.975; CH88 - 162.025 (default channel)
Supported AIS Information: 
 
–Status/Destination/ETA
–Vessel Name 
 
–Type of vessel
–Call sign  
 
–MMSI number
–IMO number 
 
–Draft/Size of vessel
–Vessel position 
 
–SOG/COG/Rate of turn/Heading
Specifications are subject to change without notice. 
Lowrance - Link-8 Operation Instructions
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