Turn the dial to "Pre-set Schedules." You can use the arrows to pick a preset (e.g., daily at 8 AM) or select "C" for a custom schedule.
: Turn the dial to Rain/Off to stop all automatic watering during wet weather without losing your program. rain bird sprinkler timer isa 304 manual
To program the ISA 304, follow these steps: Turn the dial to "Pre-set Schedules
The Rain Bird ISA-406 (6 zones) or the newer SST series. rain bird sprinkler timer isa 304 manual
: Increase or decrease all station run times in 10% increments (from 10% to 200%) to adjust for seasonal changes without full reprogramming.
The ISA 304 uses a 9-volt alkaline battery to save your settings for up to six hours during a power outage.