The system is first of all brought to reset mode
state by giving a high on its asynchronous reset.
Several of the PNOZsigma relays have a user-selectable reset mode
, operating mode and time functions, the configuration of which is performed by means of switches on the front panel rather than by wired connections.
System control software includes automatic step and repeat mode, allowing the origination of a multi-up small image across the full-size photoresist plate, as well as features such as a reset mode
to continue the exposure from the last dot exposed in the event of power failure.