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 TM 11-5895-1847-12&P
0034 00
GEOGRAPHIC AREA CALLING
1.
Access the DSC directory. Press the LEFT ARROW key (2) until the title GEOGRAPHIC AREA CALLING ALL
SHIPS is displayed.
GEOGRAPHIC
AREA CALLING
ALL SHIPS
2C034-29
2.
Press the ENT key (4) to open the edit to make a geographic area call.
_ __ _._ _ _
_ _ __ _._ _ _
__ _._ _ SOUTH
__ _._ _ EAST
2C034-30
3.
Enter the latitude of the reference point on line one and the longitude reference point on line two. Enter the number
of degrees and minutes of the North-to-South side on line three and the West-to-East side on line four.
38 36.37 N
090 39.59 E
1 00.00 SOUTH
2 50.00 EAST
2C034-31
NOTE
The geographical area call will switch all vessels within the defined area to the calling
radio's working channel just like a DSC Group Call.
4.
Press the ENT key (4) to activate the DSC call.
GEOGRAPHIC
AREA CALLING
WAITING
2C034-32
SCRAMBLER MODE
1.
Place an individual scrambled call .
a.
Select the primary mode by exiting any other active function.
b.
Press the appropriate number keys to select the desired working channel. A three beep tone will sound if an
invalid channel is selected.
0034 00 13
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