TM 5-3895-374-24-2 955-257 SECTION 3-OPERATION 3.1 OPERATOR LOOP The OPERATOR-loop is available at all times allowing you to read all operating parameters.  Since the OPERATOR mode is the standard operating mode, there is no OPERATOR indicator light.  See Operator flow chart, Section 7.2. NOTE: Be sure to tune this controller prior to operation. The DISPLAY key is used to advance the displays within this loop.  The LAST key may be used to review the previous display at any time.  Pushing the DISPLAY key will sequentially repeat the displays in this loop. The  numerical  value  of  any  displayed  number  can  be  changed  by  pressing  either  the  UP  or  DOWN  arrow  key.    All possible displays are shown below.  Your controller will only show displays appropriate to your application. This display shows the measurement value with units and the setpoint XX U value.  The setpoint can be changed using the arrow keys.  Push the SP XXX DISPLAY key to advance to the next display. This display shows the measurement value and the primary output in XX U percent power output.  Manual control of the primary output (Models 2002 OUT1 XX% and 2004 only) is accomplished at this display.  The controller must be ON for MANUAL control to function. This display shows the measurement value and the secondary output in XX U percent power output when a secondary output is provided.  Manual control OUT2 XXX of the secondary output (Models 2002 and 2004 only) is accomplished at this display.  The controller must be ON for MANUAL control to function. AUX SP This display shows theauxiliary setpoint (AUX SP) when OUTPUT2 is an X DF ON/OFF output.  Units are differential (DX) between the primary and secondary setpoints. TIMER? This display allows you to take manual control of TIMER1 or TIMER2 when OVERRIDE they are included.  Push the YES key to activate the next two displays when TIMER1 and/or TIMER2 are provided.  (Models 2000, 2001 and 2003 only.) TIMER 1 ON/OFF Either one or both of these displays allow you to turn TIMER relay(s) ON or OFF using the arrow keys when Timers are specified and enabled above. The ALM1 and ALM2 indicators will come ON when the TIMER relays are ON. TIMER 2 (Models 2000, 2001 and 2003 only.) ON/OFF This display allows you to enable or disable the Remote Setpoint option REMOTE ? using the YES/NO keys when this option is provided.  The REM indicator SETPOINT will come ON when REMOTE SETPOINT is enabled.  The Host can turn the REM indicator full ON. ECLIPSE INSTRUMENTATION DIVISION page 3-1091