JRC JMR-611 Instruction Manual page 98

[IV] Clearing the Saved Navigation Data (Erase)
Procedures 1
2 Press [MENU] key.
3 Select 1.Select Card Slot and press [ENTER] key.
4 Select the slot number which you inserted a flash memory card or
5 Select 6.Erase and press [ENTER] key.
6 Select the number of the file to be erased and press [ENTER]key.
7 Select 1.Yes and press [ENTER] key.
8 Press [ MENU] key.
Insert a flash memory card into the card slot.
In the case of erasing the data from internal memory, a card is not necessary.
Select 8.Next and press [ENTER] key.
Select 4.NAV Information and press [ENTER] key.
Select 5.File Operations and press [ENTER] key.
3.Internal and press [ENTER] key.
The Erase screen will appear.
The list of navigation data saved in the card will be displayed.
Confirmation Window will appear.
The selected navigation data is erased, and the name of the file is deleted from the list.
Menu will be closed.
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