1) Printed in U.S.A. english PUSH TO HEAR (PTH) INSTRUCTION O Set PTH and audio device volumes to lowest levels. © Connect earphones and audio device. © Switch PTH ON. Power LED light should be green. When LED turns red, battery is low and should be replaced. © Slowly raise the PTH volume to a comfortable level. Tapping the microphone should not cause discomfort. © Switch PTH OFF. Adjust volume on your audio device. NOTE: The Push-to-Hear module has a built-in limiter to minimize sudden