Note- This controller has changes slightly throughout the years. Earlier models were only a 3 zone base, seasonal adjust may be an up and down button on the left side of the display and most models will not have the solar sync option. Hunter Pro-C

Changing nozzles

Adjusting Hunter and K-Rain heads Important. Making major changes in the arc of a sprinkler head on installing the incorrect nozzle will have a significant effect on the coverage and efficiency of your system.