Furuno Navtex NX-700-A, Service Manual

Page: 53 / 142

2.7 Setting of Initialize-2 menu
2-29
6. DX RX Decision (Soft/Hard)
This is the setting whether to judge as a character error when there is a difference in the
status of DX and RX of the NAVTEX signal. Always set this to “Soft”.
Status Soft Hard
DX and RX has the same 4B3Y code OK OK
DX and RX has different 4B3Y code ERROR ERROR
4B3Y for one, and not 4B3Y for the other. OK (Use 4B3Y) ERROR
Not 4B3Y for neither of them. ERROR ERROR
7. CR LF Check (On/Off)
This is the setting whether or not to check <CR> and <LF> following the header in the
error check of the message header (ZCZC AB01). Always set this to “Off”.
When this is set to “On” and <CR> and <LF> following the header cannot be received
(is not present), the message is not received.
Phasing signal
>> 10s
ZCZC
One
space
B1B2B3B4
CR
+ LF
Message NNNN
Check this section.
DX
RX
RQ
1001100 RQ
1001100
0000111 0000111 0000111 0000111
Letter shift
1010010
Letter shift
1010010
Z
0011100
Z
0011100
Z
0011100 C
0100011
Check RX and DX.