63.3.1 CHANGE-DATE

The parameters: YEAR, MONTH, DAY, HOUR, MINUTE, and SECOND are optional; however, they form a group. Thus, at least one parameter of this group must be specified. Only the parameters entered in the CHANGE-command will be changed in the system time / date, the remaining values stay unchanged.
If the date is changed, a check is made to determine whether or not the date is valid.If the value of this date is invalid (e.g. 1985-02-31), the date parameters will be prompted.
The parameter MODE specifies if the configured time is the normal time or DST.
The parameter GMTDIR defines the direction of the time shift related to GMT and the parameter TIMEOFFS defines the time gap from GMT in minutes.It makes only sense to specify both parameters, so if a direction is given without an configured (zero) or given offset zero the AMO generates an advisory H04.
On compact systems, the value NOSYNC for parameter SYNC will be refused and an error-message (F3) will be output.
Procedure Overview
 
Command Code
Parameter
CHANGE-DATE
{YEAR=<number>,MONTH=<number>,DAY=<number>
 
,HOUR=<number>,MINUTE=<number>,SECOND=<number> ,
[GMTDIR=<string>] ,[TIMEOFFS=<number>] ,[MODE=<string>]}
 
,[SYNC=<string>];
Note:
To prevent unintentional changes of the system time by the SONUS-task, it is recommended to switch off the task before entering the first CHANGE-DATE command and to switch it on to the previous working mode after the last alteration to the system time / -date by AMO DATE.
Before first change:
SWITCHOVER-SONUS:OFF;
After last change:
SWITCHOVER-SONUS:EC or HD; (depending on previous working mode)
Example
Setting the date to 18 October 1985 and the time of day to 11:15:00.
Input:
CHANGE-DATE:1985,10,18,11,15,00,EAST,60,NT;
${DocTitle}, ID: ${DocID}
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