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Automatic Identification System
«,
Operator's Manual
Default Power: Use the! CI;;n';~ Isoftkey to select between High or Low power (ad-
ministrator password required).
Chnl A, Chnl
B
TX Mode: Use the
I
ch.nge[softkey to select between Transmit or
Silent (administrator password required).
Chnl A, Chnl B Chnl: Enter the operating channel number for channels A and B
(administrator password required). Refer to table A.I for valid VHF channels
used in AIS.
Table A.I AIS VHF Cbannels
Valid VHF Channels Used in A1S
1- 2R
2001-2005
60-88
2007
201-228 .
2018-2028
260-2R7
2060-2066
2078-2088
1001-1005
1007
2201-2207
1018-1028
2218-2228
1060-1066
2260-2266
1078-1088
2278-2287
1201-2005
1118-1228
"""" 2""
1278·1287
MX421 and External GPS:
Use the
I
Change
I
softkey to select between Primary and Secondary. The
MX42l is defaulted as the primary source ofGPS data while the Ext. GPS is
set as the secondary.
MX421 AntA,B,C,D:
These are four dimensions from the bow, stern, port beam, and starboard
beam to the horizontal reference point on the ship for the MX42
I
GPS an-
tenna used by the MX420/AIS unit. The sum of A
+
B is the length of the
ship in meters, and the sum of C
+
D is the width of the ship in meters.
Default values are zeroes.
Ext GPS Ant A, B, C, D:
Specify the position offset of the external GPS antenna (similar to the Int.
GPS Ant A,B,C,D).
Version 7.5
745
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