function set_custom_value is handling a special case where value is modified for PyAlarm class, when alarm is triggered PyAlarm attribute returns 'True' value, icon on synoptic is green, set_custom_value change value for better alarms visualization on synoptic, function can be customized for any other tango device classes.
function set_custom_value is handling a special case where value is modified for PyAlarm class, when alarm is triggered PyAlarm attribute returns 'True' value, icon on synoptic is green, set_custom_value change value for better alarms visualization on synoptic, function can be customized for any other tango device classes.