Furuno FA-50 Operator's Manual page 24

Ship static edit
20.Click Ship Static Edit to show the Network Setup menu.
21.Enter the password. The Ships Static Edit screen appears. Note that the pass-
word is known by only the FURUNO dealer.
22.Enter ship's MMSI (Maritime Mobile Service Identity) in nine digits.
23.Enter ship's name, using up to 20 alphanumeric characters.
24.Enter call sign, using seven alphanumeric characters.
25.Set Internal/External antenna positions as follows:
1) Enter distance for for location "A" of FA-50 GPS antenna.
A: Distance from bow to GPS antenna position, setting range: 0-511 m
2) Enter distance for location B, C and D similar to how you did for "A" above.
B: Distance from stern to GPS antenna position, setting range: 0-511 m
C: Distance from port to GPS antenna position, setting range: 0-63 m
D: Distance from starboard to GPS antenna position, setting range: 0-63 m
3) Enter distance for location of an external GPS antenna (if connected) similar to
how you did for the internal GPS antenna.
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