DFA400 Rev150730
18
PROGRAMMING
The program access mode is selected and inputs are made using the two pushbutton 
switches on the front of the display module. The digital display shows stored data and 
operator inputs. (Refer to Figure 1.)
Note: When entering codes in the program access mode there is a time-out 
feature that requires an operator input every three seconds. If an input is 
not detected within ve seconds the program returns to normal operation.
Inputs
The two pushbutton switches on the front of the display module allows the operator 
access to stored data and program functions. 
Both the MODE and TOTAL buttons are used to enter program codes.
Once a program code is entered, the MODE button selects the digit to change and 
the TOTAL button changes the digit or option choice.
Display Module Identication Mode
When in the module identication mode, the digital display shows the module 
serial number, manufactured date, software revision, function code, and ID number. 
The module identication mode is a display-only mode and no changes can be made 
to program information.
Note: There is a time-out feature that returns the program to normal operation 
in ve seconds if input is not detected.
Select Display Module Identication Mode
Turn on power. Press and hold the MODE button, then press the TOTAL  button  
and release both. The program enters the display module identication mode and the 
display shows the module serial number. Press the MODE button a second time and 
the display shows the manufacturing date. Each time the MODE button is pressed the 
display shows the next block of stored identication data.
If the button is not pressed for ve seconds the program reverts to normal operation.