[. . . ] After you read it, put it away in a safe place for future reference. Avoid exposure of the system to rain or moisture. Handle the wireless system carefully, dropping or other shocks may cause failure. [. . . ] It may be possible to dry the system, but you should have it checked by a qualified technician before using it again. If damaged in any way, do not use the system and refer to a qualified technician for repair. If the wireless system is not going to be used for a while, remove the battery to prevent leakage. In the event of electrolyte leakage inside the battery compartment, carefully remove the leakage with a damp cloth. Take care not to get battery electrolyte in contact with your skin, however if it does, wash your hands under a running tap. If electrolyte comes into contact with your eyes, seek medical advice immediately. The "LEVEL" indicator will light up when you speak into the microphone. Adjust the volume by VOL-A and VOL-B control knobs. 3 Using the supplied audio cable, connect from the AF Output jack socket to the "MIC IN" / "LINE IN" socket on amplifier. Connect the mains power adaptor from "DC 12V" jack to a suitable mains power socket. away from wall 4 The on air indicator does not light up The wireless microphone is not turned on. The AUDIO OUT on the receiver is not set correctly. Turn on the wireless microphone Turn on the microphone receiver and the connected audio equipment Turn on the microphone receiver and the connected audio equipment Replace the battery. Connect the speakers/ headphones Replace the battery. No sound The sound is distorted Adjust the volume controls. Move the wireless microphone away from the speakers or change the direction of the microphone. [. . . ] Replace the battery. The distance between the wireless microphone and speakers are too A howling noise close. The battery in the wireless microphone is weak 5 A. Overall system Oscillation mode: Carrier Frequency Range: Frequency Stability: Modulation Mode: Max Deviation: Dynamic Range: S/N T. H. D: Frequency Response: Operating range: Operating Temperature: B. [. . . ]