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JMA-9100 Instruction Manual > 3.BASIC OPERATION > 3.6  DISPLAY USER MAP
3) Left-click the  button.
The selected mark will be deleted.
 
3.6.4 Correct Position on User Map (Shift User Map)
3.6.4.1 Correcting the display position on the user map (Shift)
If the display position on the user map is different from an actual position, it can be changed 
to the correct position in manual mode.
Procedures
1) Open the [Shift] menu by performing the menu operation below.
   → 
 is displayed for the  Cursor  mode, indicating that the user map shift mode is 
selected.
2) Put the pointer on a mark or end of a line, coastline, or depth 
contour line, and left-click.
3) Move the cross cursor mark to the location to be corrected, and 
left-click.
Positions of all marks and lines currently displayed will be corrected.
At this time,  Map Shift  is displayed in the map position correction (lower right of the 
display), indicating that the position is being corrected.
NOTE:
If data is not copied on the flash memory card (option), the data
is not be reloaded.
: Heading correction is conducted
: Heading correction is not conducted
1. Yes
U.Map
3. Shift
Shift
Map Shift
Map Shift