Correcting Typing Errors; On The Display; Deleting A Program - Siemens LOGO! Series Manual

3.11.7 Correcting typing errors

It is easy to correct typing errors in LOGO!:
S
If you have not yet concluded input, you can use ESC to go back a step
S
If you have already concluded input, simply start again:
1. Move the cursor to the location of the error
2. Switch to input mode: OK
3. Enter the correct wiring for the input.
You can only replace one block with another if the new block has exactly
the same number of inputs as the old one. However, you can delete the old
block and insert a new one. You can insert whichever block you like.

3.11.8 "?" on the display

If you have entered a program and want to exit Edit Prg with ESC, LOGO!
checks whether you have wired all the inputs of all the blocks correctly. If
you have forgotten an input, LOGO! displays the first place at which you
have forgotten something and marks with a question mark all those inputs
that have not been wired.
You have not yet wired the
input here
You have not yet specified a
value for the parameter
Wire the input, and enter a value for the parameter. You can then exit Edit
Prg by pressing the ESC key.

3.11.9 Deleting a program

To delete a program, proceed as follows:
1. Switch LOGO! to programming mode:
LOGO! manual
EWA 4NEB 712 6006-02
Programming LOGO!
B01
R ?
T ?
, and OK simultaneously
B02
Q1
57