Furuno FM-4850 Operator's Manual page 36

FM-4850 Operator's Manual
Note
If you receive an ACK from a ship that does not have location
information, it would be easier to understand that it is expressed as
"NO INFO" rather than "receive false position information".
Initiate a position request call from the "RECENT CALLS"
On the "POS REQUEST" page, select "RECENT CALLS".
Step 1
Select an individual contact, and then press the Menu/DSC control.
Step 2

When CH70 is busy, you can wait without pressing any key until CH70
is idle.

When the CH70 is idle, the following screens appear, and the radio
waits for an acknowledgement.
When the radio receives an acknowledgement, the radio screen shows
Step 3
the requested position information. Select the "OK" soft key or the Back
key to return to the home screen.
Note
If you receive an ACK from a ship that does not have location
information, it would be easier to understand that it is expressed as
"NO INFO" rather than "receive false position information".
DIGITAL SELECTIVE CALLING
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