Casio QT-6000 Training Manual page 47

Note
The Back-up master and satellite terminals should have the same
connection tables apart from their own terminal will have the
symbol and the first two digits of their own terminal will be
Clerk Programming
In the clerk program please make sure that the clerk interrupt
operators have been assigned clerk interrupt buffers
Clerk Interrupt programming
Please make sure you have a New Balance key allocated in the
free function file.
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