Operation 
20  DC1010/1020/1030/1040 Product Manual  8/05 
3.4 Operation Mode 
3.4.1 Key Functions 
3.4.1.1  Changing Parameter Value 
Press the SHIFT KEY to change the parameters. If the SHIFT KEY is pressed, the first 
digit begins blinking. Press the 
UP KEY or DOWN KEY to increase or decrease the 
value of this digit, and then press the 
SHIFT KEY again to go to the next digit. As all 
the digits are written, press 
SET KEY to enter the value. 
3.4.1.2 Changing Modes 
SET KEY also has the function of changing MODEs. If the SET KEY is pressed, the 
display shows the next 
MODE. 
If any key were not pressed for 1 minute, the display will return to Operation Mode. 
Press the 
A/M KEY twice to go to Operation Mode, no matter what mode it’s in. 
If 
OUTL is set to "0", it means the controller has no output. 
3.4.2  Operation Mode Prompts 
Table 3-3 Operation Mode Prompts 
Displays  Parameter  Description 
SETSET
 
PV Display 
SP Display 
To change the setpoint value, see changing 
parameter values (paragraph 3.4.1.1). 
Press the “SET” key to save the value. 
SETSET
 
Output Limit * 
Percentage (%) 
For limiting the maximum value of Control 
Output 
Range: 0 to 100% 
SETSET
 
Auto Tuning 
Status 
Default “NO” 
”“YES” = Auto Tune Starts 
SETSET
 
Alarm 1 
Value of Alarm Setpoint 
Depending on the Alarm Function selected, 
enter deviation value or absolute value. 
See Section 4.3.1 Alarm Function Selections 
SETSET
 
Alarm 2 ** 
Value of Alarm Setpoint 
Same as Alarm 1 
 
Alarm 3 ** 
Value of Alarm Setpoint 
Same as Alarm 1 
Note: for programmer models, the prompts to configure the programs will 
appear after the operation mode prompts. See Section 5
 
*The ‘OUTL’ is not shown in default mode 
**AL2’ & ‘AL3’ are shown only in models with the relevant options.