Mitsubishi Electric R56TB Instruction Manual page 62

4) Renumber will be executed if you tap the [OK] button (<h>) of setting screen.
If the object range is specified, display the message that the row number after the renumber has already existed. In
this case, the renumber is not executed. Tap the [OK] button. (<j>)
Advice
Even if row number not existing is specified to the range, it executes within the limits.
32767 can also be specified as "End line#" to execute to the last line of the program.
<h>
<j>
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