LANG_USE num or
This command sets the language to be used by SMS for its message tables (this includes interpreter messages and error messages). The value of num and kcode can be the same as for the SMS implementation of KBD_TABLE. A description of the message tables and how to link in new message modules is contained in IQLR Volume 5 Issue 1 and Issue 5.
If you set a different language to the version of the Psion programs which you are using, then you may find that the DATE function in Archive and Abacus fails.