How do I test my landscape lighting after installation?

Press MENU until the TEST LED indicator is lit and then press OK. If the photocell is installed on the transformer during daylight hours, you must completely cover the photocell for the lights to turn on, as it needs to sense darkness to function even in TEST mode. If no photocell is installed, the lights will turn on regardless of daylight when using the TEST function. (Page 9)

From the official Hampton Bay Diy 300ps manual, page 9

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