Optimus Karaoke Echo Microphone (330-3016) Operation Faxback Doc. # 33901 USING THE MICROPHONE NOTE: If your karaoke machine has an echo level control, set this control to its lowest level. 1. Insert the microphone plug into the microphone jack on your karaoke machine. 2. Set ON/OFF to ON to turn on the microphone. The power indicator lights. 3. Adjust ECHO LEVEL for the echo effect you desire. 4. Set ON/OFF to OFF to turn off the microphone. The power indicator turns off. (YO/EB 5/17/96)