Press the green TEST button. In pulse mode, the device will deliver a single shot. In continuous mode, the output remains active until you press the STOP button.
HVAC tech Sarah K. notes: "I use this constantly on refrigeration rack systems. Being able to manually step 24V valves without lugging a bench power supply is a game-changer." aact 395 portable activator 2021
Ensure the internal battery is charged (a full charge takes 3 hours and lasts for approximately 200 pulses). Alternatively, use the included 12V cigarette lighter adapter for extended use. Press the green TEST button