[TBD] change this to SCH-ON and SCH-OFF
WR-ON
Purpose: To find when a schedule (weekly routine) is set to come on.
Format: WR-ON( expression1 , expression2 )
Description: expression1 = schedule number (1-16)
expression2 = which on event in the day (1-4)
Example: 10 VAR1 = WR-ON( 1 , 1 )
WR-OFF
Purpose: To find when a weekly routine is set to go off.
Format: WR-OFF( expression1 , expression2 )
Description: expression1 = routine number (1-16) expression2 = which time off (1-4)
Example: 10 VAR1 = WR-OFF( 1 , 1 )
