Humminbird VHF255SW - Manual (Page 67)

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4. If the User MMSI is blank, a dashed line will be displayed. Turn the CH/ENTER
knob back and forth to enter the User MMSI along the dashed line. Press the
CH/ENTER knob to confirm each correct entry and to be advanced
automatically to the next digit.
NOTE: If your make an error, press the CANCEL/WX key until < appears, then press the
CH/ENTER knob to back up and correct the error.
5. When you have selected the desired numbers, press the CH/ENTER knob to
store your User MMSI.
6. You will be asked to re-enter your User MMSI again to confirm it; once you
have re-entered your User MMSI, press and hold the CH/ENTER knob to
permanently store the your User MMSI and return to the DSC Setup Submenu.
NOTE: To exit the DSC Setup Submenu or one of the further submenus under it, press the
16/9 or CANCEL/WX keys until you have left the submenus. You will also exit the DSC Setup
Submenu automatically by turning the unit off. All changes are saved in EEPROM (except for
manually-entered GPS data).
7. You can view your stored User MMSI at any time by selecting user MMSI from
the DSC SETUP menu.
>USER MMSI
GROUP MMSI
INDIV REPLY
DSC ENABLE
POS REPLY
INPUT MMSI
NUMBER
>- - - - - - - -
HOLD ENTER USER MMSI
INPUT AGAIN
>- - - - - - - -
HOLD ENTER
USER MMSI
ID 50000000
>SAVE
CANCEL