Furuno NX-700A Operator's Manual page 62

4. INSTALLATION
Output data description
NRX: New NAVTEX received message
New NAVTEX message to follow in ASCII format
$NXNRX,xxxx,x,x,x,xx,xx,xxxx,hhmmss,x.x,n--n*hh<CR><LF>
The first NRX sentence transmitted for a particular NAVTEX message shall contain valid data
for all fields. For subsequent NRX sentences encapsulating a NAVTEX message, all fields apart
from 'message identifier', 'line number' and 'encapsulated message' are optional. If UTC time or
date are not known then the fields are NULL.
Example usage:
$NXNRX,TA21,1,4,518,10,01,2005,102000,2.2,291600 UTC JAN =*hh
$NXNRX,TA21,2,4,,,,,,,OOSTENDERADIO - INFO 37/04 =*hh
$NXNRX,TA21,3,4,,,,,,,WESTHINDER ANCHORAGE, ANCHOR LOST IN*hh
$NXNRX,TA21,4,4,,,,,,,POSITION 51-24.94N 002-40.02E.+*hh
Example usage when no UTC is available to the equipment:
$NXNRX,TA21,1,4,518,,,,,2.2, TEST MESSAGE*hh
Where the NAVTEX message contains reserved characters as defined in IEC 61162-1, then
these shall be handled by using ASCII 'escape code' :
c) Reserved character
d) <CR>
e) <LF>
f) $
g) *
h) ,
i) !
j) \
k) ^
l) ~
4-18
ASCII escape code
^0D
^0A
^24
^2A
^2C
^21
^5C
^5E
^7E
encapsulated message
error rate % (xx.x)
UTC of receipt of message
year
month (1-12)
day (0-31)
freq ('490', '518' or '4209')
number of lines in message (1 to 999)
line number (1 to 999)
message identifier (B B B
1 2 3
B )
4