[. . . ] Also included is a matching gooseneck microphone that can plug directly into this jack, providing immediate access to the Vocoder functions (see "MICROPHONE CONNECTIONS"). [. . . ] Use only the microphone included with the MS2000B when using the front panel mic input jack. Set the AUDIO IN [2/VOICE] knob to zero when you are not using the AUDIO IN 2 jack or the mic input jack. Push down on the latch lever of the mic jack and, while holding the microphone by its base, pull the mic straight up and out of the mic jack. Be sure to depress the latch lever on the mic jack when removing the microphone. [. . . ] Push down on the latch lever of the mic jack and, while holding the microphone by its base, pull the mic straight up and out of the mic jack. [. . . ]