Marathon Computer V3.5 user manual Marathon Monitors Inc

Marathon Monitors Inc.

This key selects the Control Parameter Enter mode where the Proportional Band, Reset, Rate, Cycle Time and Percent Output values (if in solenoid mode) can be accessed and altered. When used in the dual-key operation Shift/Cntrl Parm it selects the keyboard Lock Level change mode.

This key selects the Alarm Setup mode where the Alarm 1 and Alarm 2 conditions can be accessed and altered or Alarm 2 can be used to determine setpoint for auxiliary control loop. When used in the dual-key operation Shift/Alarm Set it selects the Thermocouple Type, Custom Features, and Events Partition. After Shift/Alarm Set the Thermocouple Type is initially displayed, if Enter is pressed the Custom Feature option is available while the second press of Enter allows the Events Partition to be observed and altered if necessary.

This key has no function by itself. The function of the Shift key is for all dual-key operations, Security Sequence and the start-up sequences.

Unipro 3.5 Process Control 1 Aug. 1997