JRC JMA-5212-4/6 User Manual page 355

<The alternative procedure for steps above>
1 Hold down [RADAR MENU] key.
The Code Input Menu will appear.
2 Press [0] key.
3 Move the cursor onto the "ENT" button in the Code Input menu, and
press [ENT] key.
The Adjust Menu will appear.
4 Press [6] key.
NAV Equipment Setting menu opens.
5 Perform steps 3 to 8 in the "Procedure" above.
Exit 1 Press [RADAR MENU] key.
The menu will be closed.
7.2 NAVIGATOR SETTING
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