CLOCK

	CLOCK is a task to set the system time from a Computer Products,
	Grant Technology Devision model 307 time of day clock (TDC), or
	to reset the TDC from the system time.


	CLOCK has three functions:
	  *  Set the system time from the Grant-307 clock.
	  *  Set the Grant-307 clock from the system time.
	  *  Monitor the system time verses the Grant-307 clock time.


				COMMAND SYNTAX

	$ CLOCK SET SYSTEM_TIME   !sets system time from the TDC
	$ CLOCK SET CLOCK   !sets the TDC from the system time
	$ CLOCK SET CLOCK/AUTO_DAYLIGHT_SAVINGS_TIME
	  !sets the TDC from the system time and enables auto daylight
	  !savings time feature of the Grant-307
	$ CLOCK MONITOR   !monitor the system time verses the TDC
	  !time for greater than one minute difference
	$ CLOCK MONITOR/AUTO_DAYLIGHT_SAVINGS_TIME  !monitor the system
	  !time verses the TDC time for greater than one minute
	  !difference and enables auto daylight savings time time change
	$ CLOCK HELP   !display help text.


        Link command file

          CLOCK/PR/FP,CLOCK/MA/-SP=CLOCK,ERRMSG
          /
          UNITS=1
          PRI=150  ! adjust to be high enough to run when required
          TASK=...CLK
          //