... manual is as follows:1. Install two AAA batteries for Receiver and Transmitter, move the switches to 1and 2 (0 on ... Transmitter is OFF, 1 is low sensitivity, 2 is highsensitivity. 0 on Receiver is OFF, 1 is ... , 2 is high volume)2. Place the Transmitter near the baby, and place the Receiver to any locations, even onyour pocket within ...