Using the Controller Front Panel 19
2. Type a value for the selected parameter. Press the Help screen key to display the
allowable range for the field.
3. Press Enter. The system checks the new value to see if it is the correct type of entry
and within the proper range.
• If the entry is acceptable, it becomes the current parameter value and the cursor
moves to the next logical entry position.
• If the entry is not acceptable, an error message appears at the bottom of the
screen and the previous value remains as the current parameter value. Press Clear
to clear the error message. Repeat steps 2 and 3 above.
2.3.2 Function Keys
Function keys are the labeled keys located directly below the screen keys. Function keys:
• Control modes of system operation
• Access related screens
Using Function Keys
To use the function keys, press the appropriate key.
Note: In PowerLine mode, function key names correspond to the screens they access. In
Gradient mode, function key names do not always correspond to the screens they access.
See Section 2.4, Comparing Controller Types, for information on the two controller
configurations.
PowerLine Controller Keys
When you configure the controller as a PowerLine Controller, function keys include:
Key Accesses Function
Setup Pump Setup screen Sets up pump hardware
Direct Direct Control screen Programs conditions for attended
operation
Operate Method Operate Method screen Starts a stored method run
Program
Method
Program Methods screen Sets up/stores the method table
Program Table Program Gradient,
Program Event, and
Detector Tables screens
Sets up/stores gradient, event, and
detector tables
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