Operation
23
NOTE: When sending either an URGENCY or
SAFETY message, both radios will automatically
move to channel 70 until all of the data is received
and then both radios will go to channel 16 for trans-
missions and replies. The URGENCY transmission
will need to send a siren type audio tone while the
SAFETY and ROUTINE options may just send a
regular calling tone. The ROUTINE transmission
will go to channel 70 until all data is transmitted,
then the WHAMx4, the main radio, and the called
radios will go to the channel that the transmission
originated from.
NOTE: The receiving radio will display ALL SHIPS
and the name of the sender as illustrated below.
This display will occur for any type of ALL SHIPS
call.
Using Geographical Call
This option will only be available in the DSC call
section of the menu if there is an external GPS mod-
ule attached to the NMEA0183 jack. This operation
will work exactly the same as an INDIVIDUAL call
except that the receiving radio will display the fol-
lowing screen.
Position Request
This function will be used to request the position of
another DSC radio.
Starting from the Channel display mode, the user
will press the Menu key and the following screen will
appear.
Using the Down and Up key to scroll to the desired
name, then press the Select key to transmit the
WHAMx4 Paper OMNEW.fm Page 23 Thursday, January 27, 2005 2:34 PM
Summary of Contents for WHAMx4
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