Monitoring
48 UDC2300 Controller Product Manual 12/00
Individual key lockout
There are four keys that can be disabled to prevent unauthorized changes to the
parameters associated with these keys. First set the “Lock” prompt to NONE.
These keys are:
AUTOTUNE
  Key  - you can disable the Autotune key at configuration Set Up,
group prompt Tuning”, function prompt “A TUNE”
RUN/HOLD   Key  - you can disable the Run/Hold key for Set Point
Programming at configuration Set Up group prompt
“Tuning,” function prompt “RN HLD.”
AUTO/MAN
  Key - you can disable the Auto/Manual key at configuration Set
Up, group prompt “Tuning”, function prompt “AUTOMA”
FUNCTION   Key  - you can disable the Set Point Select function key at
configuration Set Up group prompt “Tuning,” function
prompt “SP SEL.”
See Subsection 4.5  - Tuning Parameters Set Up Group prompts to enable or disable
these keys.
Key error
When a key is pressed and the prompt “Key Error” appears in the lower display, it will be
for one of the following reasons:
• Parameter not available or locked out
• Not in setup mode, press 
SET UP key first
• Individual key locked out.