The operator entered a SET command while the system was running in either External Time Reference (ETR) or Server Time Protocol (STP) synchronization mode.
The system ignores the SET command.
Do not issue the clock-related SET commands when in ETR timing mode (with ETRMODE YES and ETRZONE YES specified in CLOCKxx) or in STP timing mode (with STPMODE YES and STPZONE YES specified in CLOCKxxx).
Timer supervision
IEE6503D
*
5