| Command |
Description |
Bytes |
| 00 |
This maybe a ARP request to see if my node address is in use. (used at start up) or Reset Command |
|
| 01 |
This appears to be a normal broadcast data command |
Var |
| 02 |
New Text ? |
|
| 03 |
Sent from an NMEA FFD when NMEA data is there. ff 60 02 03 50 47 or 47 50 |
2 |
| 04 |
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| 05 |
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| 06 |
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| 07 |
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| 08 |
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| 09 |
|
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| 0A |
Used at start up?? |
2 |
| 0B |
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| 0C |
This looks like a keep alive message, sent from FFD, 1 byte, ff 60 0C 6f |
1 |
| 0D |
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| 0E |
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| 0F |
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| 10 |
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| 20 |
Sector Alarm |
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| 21 |
Alarm, low alarm off, 60 01 21 ss 41 24 03 00 00 00 |
7 |
| 22 |
Alarm , hi alarm off , 60 01 22 ss 41 24 04 00 00 32 |
7 |
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| 68 |
Request for data, reply is 6A, 2 bytes in request, 00 03, ask for version number |
2 |
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| 6A |
Reply from a 68 request.. (FFD do not respond to this), replay is 4 bytes, 00 03 xx xx |
4 |
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| C8 |
FFD send this when powering off |
|
| C9 |
Used to set light intensity in FFD and 20/20, two bytes of data, 1st: 0,1,2,4, 2nd byte always 20h, 0 = off, 4 = max |
2 |
| CA |
Timer, 2 bytes, From FFD, start 10 = 05 60 CA ss FD, start 5, FE, start zero, FF |
|
| CB |
Timer, 2 bytes, From FFD, Frezze, Run, Halt |
2 |
| CC |
Timer Run, 2 bytes |
2 |
| CD |
Request Damping value 01 60 CD ss 59 |
2 |
| CE |
Set/Get damping value 60 01 CE ss 41 21 00 5E (94) |
5 |
| CF |
From FFD, Manual Cal request, 01 60 CF ss 41 |
2 |
| D0 |
From FFD , send reaching correct, 05 60 D0 ss 59 04, respond is a D4 |
3 |
| D1 |
Ask for cal 2? |
|
| D2 |
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| D3 |
Cal 1, 60 01 D3 ss 41 91 02 71, => 6.25, 41 = boatspeed, Depth sends 60 01 D3 ss 41 06 00 f8 60 60 (respond to auto cal) |
5 or 7 |
| D4 |
Cal 2, respond to a D0, 60 05 D4 ss 59 54 04 00 00 00 |
7 |
| D5 |
Cal 3 |
|
| D6 |
Cal 4 |
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| D7 |
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| D8 |
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| D9 |
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| DA |
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| DB |
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| DC |
Timer Freeze from FFD, 2 bytes 01 60 DC ss CF, respon from 01 is FD, 60 01 FD ss 35 |
2 |
| DD |
|
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| DE |
Alarm low off, 01 60 DE ss 41 |
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| DF |
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| E0 |
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| E1 |
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| E2 |
Alarm low on, 01 60 E2 ss 41 (boat speed) |
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| E3 |
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| E4 |
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| E5 |
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1 |
| E6 |
Alarm off, ff 60 E6 ss |
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| E7 |
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| E8 |
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| E9 |
Set/Get Cal value, 60 01 E9 ss 41 91 00 64 64=1.00 |
5 |
| EA |
Start a cal run, Boat speed, 01 60 EA ss 41, ack with an FD from FFD |
2 |
| EB |
Stop a cal run, Boat speed, 01 60 EB ss 41, ack with an FD from FFD |
2 |
| EC |
End Cal run, 01 60 EC ss 41 D3, Depth sends 60 01 D3 ss 41 06 00 f8 60 60 |
3 |
| ED |
Cal FD 60 ED 26 |
|
| EE |
From FFD, request Cal value 41, 01 60 EE ss 41, 41 = boatspeed |
|
| EF |
From FFD, ask what meter is connected. FD 60 EF ss 01, what on meter 01 |
2 |
| F0 |
From FFD/Processor , to chang meters display, FD 60 F0 ss 01 03, set meter 01 to Mag Wind 03 |
3 |
| F1 |
From FFD, Max Value, , 1st byte = seq, 2nd = 00 = Boat Speed, 01 = Wind Speed, FD 60 F1 01 00 or FD 60 03 01 |
2 |
| F2 |
Set/Get max value, FD 60 F2 07 00 51 00 78, new max wind is 120 or 12.5 |
5 |
| F3 |
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| F4 |
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| F5 |
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| F6 |
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| F7 |
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| F8 |
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| F9 |
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| FA |
ack for FC?? |
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| FB |
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| FC |
Used on start up to assign channels, ie: this node will send this data |
Var |
| FD |
ack for FC from FFD, 1 byte look like sequence # to ACK |
1 |
| FE |
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|
| FF |
FFD send on start up,waiting to see if some one is on the net, 0 bytes |
0 |