Humminbird VHF255SW - Manual (Page 68)

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DSC SETUP: CREATE AND MANAGE GROUP MMSIS
You can save up to three Group MMSI numbers and associated Group names. Group
MMSI numbers always begin with a zero (0). You will only enter the last 8 digits of the
Group MMSI, as the intial “0” is entered automatically.
To enter Group MMSIs:
1. From the DSC Setup Submenu, select GROUP MMSI. If existing Group Names
and Group MMSIs are stored, they will be displayed. If there are no existing
names, dashed lines will appear on the LCD instead.
2. To enter a Group Name and MMSI into a blank line, rotate the CH/ENTER knob
to select the first desired character (A-Z, 1-9, space and back arrow "<") for the
name. When the desired character is shown, press the CH/ENTER knob to select
it; continue to select characters for the Group Name in this way. When the last
digit is entered, you will be automatically advanced to the first MMSI digit.
NOTE: Some characters may be spaces; turn the CH/ENTER knob one click counterclockwise
to remove a _ and replace it with a blank space, then press the CH/ENTER knob once more
to select it and move to the next character.
3. Enter the MMSI number associated with that Group Name . The first digit is
required to be a “0” (zero), and is entered automatically, so you only need to
enter 8 digits to complete the 9 digit MMSI. A confirmation message will
appear to ask you if you want to save the Group Name.
4a. Press the CH/ENTER knob to save the new entry.
or
4b. Press the CANCEL/WX key to terminate the process without saving; you will be
taken back to the Group MMSI screen.
USER MMSID
>GROUP MMSID
INDIV REPLY
DSC ENABLE
POS REPLY
USER GROUP
> - - - - - - - -
- - - - - - - - -
- - - - - - - -
GROUP NAME
> - - - - - - - - - -
GROUP MMSID
ID O - - - - - - - -