This is from sp804:
Player Selectable
Credit <0> [5] This page is not displayed if credits are accumulated on the credit meter. Options are standard credit or noncredit {0}, player initiated credit {1} and player initiated noncredit {2}. The player initiated credit option will default to the noncredit mode when the credit meter remains at zero for more than 30 seconds, or when any accumulated credits are cashed out. The player initiated noncredit option defaults to the credit mode if the game is idle for 30 seconds, and remains in the credit mode when credits are cashed out.
Mechanical Bell <0> [6] Options are ring on hand-pays only {0} or ring on all pays {1}.