Steren CAL-150 Instructivo De Uso página 237

SD mode
Abs and amongst others, cannot be used
Dsz, >, and <, amongst others, cannot be used.
LR mode
Abs and amongst others, cannot be used
amongst others, cannot be used.
Program Deletion
Enter PCL mode in order to delete programs. Press the
button in order to enter PCL mode.
You can delete one program or all programs.
In order to delete one program, enter PCL mode and select
the program you wish to delete, then press
Example:
Delete program P3 only