JRC JMA-5912-6 Instruction Manual page 159

Deleting a mark or vertex of a line (Delete Vertex)
With regard to the created user map, a vertex is deleted individually from a mark or line.
Procedures 1 Open the Edit User Map menu by performing the following menu
operation.
2 Press the [6] key.
The user map delete mode is selected.
Delete
3 Put the cursor on the mark or vertex of a line, and press the [ENT]
key.
The vertex of the selected mark or vertex of a line is deleted.
All of the lines drawn by joining two points are deleted.
To delete another mark or vertex of a or line, repeat procedure 3.
4 When finished with the correction of all vertices, press the [0] key.
The cursor mode changes to the normal operation mode, terminating the user map
delete mode.
(Example)
The vertex to be deleted
Plot
→ 2. Mark Operations
→ 2. Edit User Map
is displayed in the cursor mode (upper right of the display on page 2-3).
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3.6 Display User Map
3