Press the Power button below the 0J button to turn your PRS Transmitter On or Off. When powered On, the LED light is solid green. The Transmitter will shut off automatically after 15 minutes of inactivity.
To register a Response, point your Transmitter toward the nearest PRS Receiver and press the button that represents your Response Choice. The LED will flash during the transmission of the Response to the Receiver. Wait until the LED has stopped flashing if you want to send another Response Choice.
The H and L buttons on either side of the 0J button are Modifier Keys that are used to indicate a Confidence Level (H = High Confidence, L = Low Confidence/A Guess). You will be instructed when to attach a Confidence Level indicator to your Response.