1. Insertion and Coverage Mode

1.1. Switch editing mode#

The software allows you to switch between two editing modes by pressing the ENTER key on the keyboard:

** * Overlay mode (default) * *: If an instruction is placed on top of another instruction, the program editor deletes the existing instruction and replaces it with a new instruction.

![Coverage mode cursor](./InsertOrCover~/Images~/pic11. png)

图1 Coverage mode cursor

*Insertion mode: If an instruction is placed on top of another instruction, the program editor moves the existing instruction to make room for the new instruction.

![Insert mode cursor](./InsertOrCover~/Images~/pic12. PNG)

图2 Insert mode cursor

The insertion mode can be fine tuned to every parameter point.

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