Small Library Software Pro: check in, check out, protect main database

Question/Topic:
How can I allow somebody to process loans/returns but prohibit him/her from editing/deleting book entries?

Similar questions:
We have volunteer librarians that process loans/returns for the library. How can I allow them to process loans/returns but prohibit them from editing/deleting book entries?

All Library Organizer Pro solutions include separate Check In/Out module.

Check In/Out module is a stand-alone application. Check In/Out Transaction module allows to process loan / return transactions without launching library software. Your library databases are protected from unwanted modifications and users.

Check In/Out module -> simple mode:
How to set simple/self-checking mode?

If you have older version of the Small Library Software you can download the following file:
checkinout.zip
Decompress the file in the library main folder.

check in, check out, decompress in main folder

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Small Library Organizer Pro