Overview 
Operator Interface 
4    DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual  Release M 
    April 2017 
Key functions 
Table 1-1 shows each key on the operator interface and defines its function. 
Table 1-1 Function of keys 
 
  Places the controller in the Configuration Set Up group select mode. Sequentially 
displays Set Up groups and allows the FUNC key to display individual functions in 
each Set Up group. 
  Used in conjunction with the SET UP key to select the individual functions of a 
selected Configuration Set Up group. 
  Used to toggle between SP1 and SP2. 
  Used during field calibration procedure. 
  Selects an operating parameter to be shown in the lower display: 
  OUT  =  Output Value 
  SP  =  Local Setpoint 1 
  SPN  =  Current setpoint for setpoint rate applications 
  2SP  =  Local Setpoint 2 
  RSP  =  Remote Setpoint 
  2IN  =  Input 2 
  DEV  =  Deviation 
  EU  =  PV Engineering Units 
  RH  =  % RH Value 
  PIDSETX  =  Tuning Parameter Set X=1 or 2 
  RAMP  =  Minutes remaining in Setpoint Ramp 
  #RA  =  Minutes remaining in SP Prog Ramp 
  #SK  =  Minutes remaining in SP Prog Soak 
  RECYC  =  Number of recycles left in SP Program 
 = Time remaining in Timer function 
 = Time elapsed in Timer function 
  TUNExXXX = Accutune II indicator.  x = 1 or 2 
 The lower display can be configured to scroll through the operating 
parameters. 
  Alternately selects: 
AUTO  Lower display automatically displays setpoint value in engineering units. 
MAN  Lower display automatically indicates output in %. 
  Used to stop recording operation and move pen to outer limit for chart change. 
  Alternate action switch initiates or holds the Setpoint Ramp or Setpoint Program. 
  In configuration mode, restores the original value or selection if you do not want to 
enter a change you are making to a parameter. 
  Increases the setpoint, output, or configuration values displayed. 
  Used to step through the items in each function while in configuration mode plus 
adjust control variables in the lower display. 
  Decreases the setpoint, output, or configuration values displayed. 
  Used to step through the items in each function while in configuration mode plus 
adjust control variables in the lower display.