Operation Manual

3-38 Operations
the dot matrix display.
Note: Since only one MMSI number can be registered at time, only one
MMSI number can be displayed when GROUP is selected. To change the
MMSI number, see Section 3.5.30.3.4.
5) Press ENT to accept the MMSI number.
6) Use the SQ UP/DOWN key to select the Working Channel for
communication.
7) When the desired channel number appears, press ENT. The dot matrix
display scrolls between the Working Channel and the Group MMSI
number.
8) If this information is correct, press ENT to accept. A new message
appears, prompting you to press the PTT switch.
9) Press PTT. The radio changes over to the selected Working Channel
without waiting for acknowledgment.
3.5.26.5 Receiving a Group Call
When a Group Call is received, the DSC indicator flashes, Grp appears on
INDV ENT
Only appears if Group
MMSI number is set up
via DSC Operation in
Menu Mode
Group MMSI number
ENT
ENT
MMSI number
Select Working Chanel
with SQ UP/DOWN key
Scrolls between
Working Chanel and
MMSI number
ENT
PTT
RAY230_sect3_3.p65 7/13/2001, 1:42 PM38