Raymarine Ray230 Owner's Handbook Manual page 91

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Pressing the following keys initiate the corresponding operation:
4. Input your MMSI number using the numeric keypad.
5. Press the ENT key. The message ENT - ACCEPT, CLR - EXIT scrolls
across the display.
Keys Keys Keys
Keys Keys
0 - 9 keys
ENT key
CLR key
6. Press the ENT key to submit the number. The message ENTER MMSI
NO. AGAIN is displayed.
7. Press ENT. The nine underscore placeholders appear once more.
8. Again input the MMSI number with the numeric keypad.
9. Press ENT to submit. If the second MMSI number you input matches
the first, the message ENT - ACCEPT, CLR - EXIT is again displayed.
Note: If the two MMSI numbers don't match, the message MMSI NO. NOT
MATCH PRESS ENT scrolls across the display. Press ENT to exit the
Menu mode and try again from step 1.
10. Press ENT to verify. The message ENT - STORE, CLR - EXIT is
displayed.
11. Press ENT one last time to register the MMSI number in memory.
Operation returns to the mode before the Menu mode began.
To exit without making changes at any time, press and hold CLR for 3
seconds.
Action Action Action
Action Action
Changes the flashing numeric value, then advances to the next
digit's place.
Advances the (flashing) subject item to the next one without
changing the numeric value. Advances to the next screen after
entering the last (ninth) digit.
Returns to the previous subject item. Pressing and holding for
3 seconds exits the operation and returns to the mode before
the Menu Operation began.
Operations