: This feature steps through all stations in two-minute increments to help you check sprinkler heads. Backup Battery
The Rain Bird ISA 304 is a 4-station indoor automatic sprinkler controller. It is an "easy-set" logic timer designed for residential use. rain bird sprinkler timer isa 304 manual
To stop watering temporarily (e.g., during rain or vacation): : This feature steps through all stations in
He opened the cover, finding the large LCD display blank. Arthur inserted a new 9-volt battery into the compartment—a step the manual stressed was crucial for saving his program during future power outages. rain bird sprinkler timer isa 304 manual