Yes, but this procedure will erase all user registers and restore the factory default settings. Turn MPX 1 off Press and hold STORE and turn the unit on. You should see a small case "d" in the display; release the STORE button. Press EDIT You should now see a "0" in the display. Turn the ADJUST knob clockwise until you see the number "2" in the display. Press STORE. The unit will cycle through its reset
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