Your start times are controlled by placing trippers directly onto the 24-hour dial.
You will need to supply a 9‑volt alkaline battery and appropriate gauge sprinkler wire. rain bird sprinkler timer isa 304 manual
Located next to the main clock face, this smaller dial determines how many minutes each zone (station) will run once the cycle is triggered. The ISA 304 supports up to four separate watering zones. 4. Day Selector Wheel Your start times are controlled by placing trippers