From the Melnor 304f actual instructions:
Use 9V alkaline batter only! Flashing lighs indicate that the battery is low and needs to be replaced.
1) To start: Turn Dial to Off position and press ENTER
2) Set Time: set the current time and press ENTER
3) Start Time: set the time to start the first irrigation cycle and press ENTER.
4) Frequency: Set the frequency of the irrigation cycle e.g. twice a day = 12h and press entere.
5) Duration: Set the duration of the first irrigation cycle and press ENTER.
-- to change the duration
Turn the dial to the new duration and press ENTER
--to turn the water on manually
Turn dial to ON position.. The water will turn off automatically after 30 minutes.
-- to turn the water OFF
Turn the dial to the OFF position
Do NOT press ENTER when dial is in OFF position, otherwise the unit will clear the program, and you have to Reprogram the unit following the steps 2 through 5.
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