FT311 YAESU FT-311 EXPANDED RF REMOVE TOP AND BOTTOM COVERS. UNPLUG SPEAKER. REMOVE SCREWS HOLDING FROUND PANEL. LOCATE JUMPER PAD #7 AND SOLDER ACROSS IT. LOCATE RESET PINS, LOCATED ON FROUNT PANEL AND CLEARLY MARKED. SHORT ACROSS THESE PINS FOR 1 SEC. REASSEMBLE RADIO.