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FMD25 Datasheet PDF - Kreiger

Part Number FMD25
Description GMDSS Marine Radio Decoder MANUAL
Manufacturers Kreiger 
Logo Kreiger Logo 
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Preview ( 30 pages )
		
FMD25 datasheet, circuit
MANUAL
GMDSS Marine Radio Decoder
FMD25
Oktober 2005 V 2.xx

1 page
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FMD25 pdf, schematic

2 Page
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FMD25 equivalent
SHORT DESCRIPTION FMD25
2.2. Reading weather forecast messages via RD CH x
select the channel
call the selected channel
the stored messages will be displayed
with date and time
(i.e. 27030829 = 27. March, 08:29 Uhr/UTC)
corresponding with the ON time of the timer
select the desired message
show the selected message on the display
scroll trough the message
print the selected message
printing can be cancelled
other messages can be selected
exit the menue RD CH x
go back to the STDBY mode

5 Page
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FMD25 diode, scr
11. Technical Data
11.1. General ......................................................................... 11 - 1
11.2. Receiver ........................................................................ 11 - 1
11.3. Microcontroller ............................................................. 11 - 1
11.4. Signalconverter - Decoder ........................................... 11 - 2
11.5. LCD Display ................................................................. 11 - 2
11.6. Printer ........................................................................... 11 - 2
11.7. NMEA interface ........................................................... 11 - 2
11.8. Supply for Avtive Antenne ........................................... 11 - 2
11.9. Approvals ..................................................................... 11 - 2
12. Informationen Stationen, Empfangsbedingungen
12.1. Stationen, Frequenzen und Sendezeiten ....................... 12 - 1
12.2. Chart W3 United Kingdom GMDSS Metarea 1............ 12 - 2
12.3. Chart W4 United Kingdom Forcast Areas .................... 12 - 3
12.4. Chart W5 Baltic Sea ...................................................... 12 - 4
12.5. Chart W6 Germany Forcast Areas ................................ 12 - 5
12.6. Chart W8 Denmark Forcast Areas ................................ 12 - 6
12.7. Chart W12 France Forcast Areas .................................. 12 - 7
12.8. Chart W18 Greece Forcast Areas .................................. 12 - 8
12.9. Chart W19 Mediterranean Fleet Forcast Areas ............. 12 - 9
12.10. Bezeichnungen für Windstärke ................................ 12 - 10
12.11. Bezeichnungen für Seegang ..................................... 12 - 11
12.12. Propagation of SW Signals ........................................ 12 - 12
12.13. Empfangsantennen auf Schiffen ............................... 12 - 13
12.14. MORSE Code Table .................................................. 12 - 15
13. Examples
13.1. Example North-Atlantik / North-Baltic Sea .................. 13 - 1
13.2. Example North-Atlantik/East-West Mediterranean Sea 13 - 2
13.3. Example NAVTEX Printout ......................................... 13 - 3
13.4. Example of Weather Report ......................................... 13 - 4
13.5. Example Printout Navigation Log ................................ 13 - 5
13.6. Example NAVTEX Status-Information ....................... 13 - 5
FMD20 V 1.xx Februar 1998
Seite 3

9 Page
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FMD25 transistor, igbt
4. Automatic reception and decoding
The FMD25 has a timer function for the storage of 9 programmes.
Each storage contains a starting time, stop time and the channel
number of a stored frequency (similar to that in a video recorder).
The transmission times of weather messages can be found in the
usual manuals but to be on the safe side it is recommended to add
some time before and after the start/stop times.
For reference the following transmission times can be used:
MORSE transmissions
RTTY transmissions
SITOR transmissions
approx. 30 mins.
approx. 15 mins.
approx. 10 mins
The FMD25 will automatically switch to the required frequency at
the selected start time and will decode according to the input
parameters. The decoded message will be stored, according to the
parameters, in the assigned channel if "W" was answered with <Y>.
It will be directly printed out if "P" was answered with <Y>. (See
chap. 8 - System parameter input).
On reaching the stop time, the FMD25 will switch back automatically
into standby mode (i.e. the basic mode for NAVTEX reception).
Before programming the timer the assignment channels must be
programmed. (See chap. 3.2.)
4.1. Programming the timer function
Starting from standby mode
press button
to call up menu 1
use button
to select TIMER
FMD25 V 2.xx October 2005
page 4-1

21 Page





Information Total 30 Pages
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