What do the switching options mean?
AUTO
This means that the RWB27Si will switch ON and OFF according to
the programmed times
MANUAL OFF
This means that the RWB27Si will be permanently OFF
MANUAL ON
This means that the RWB27Si will be permanently ON
ONCE
This means that the RWB27Si will switch ON at the first ON time
and switch OFF at the last OFF time you have programmed
ignoring any ON/OFF times in between. This is also referred to as
All Day.