Sets the 0% time of the trend via a keypad form. This allows the user to view trend information up to the time entered.
Syntax
CSV_Trend_SetTime(hTrendAN,sValue)
#hTrendAN:
Animation point number of the trend.
#sValue:
The time to set the 0% trend time to. If sValue = "", a form is displayed for the user to select a time.
Return Value
New time (as string).