Subject: Expanded RX and TX range for the ADI AT-200 130-163.995 mHz Date: 6 Oct 95 NOTE! The first step is the microprocessor master reset and will erase ALL memories. 1) While pressing the Function button (F), turn the radio on. Display will show all figures. Release the (F) button and it will read 145.00. 2) Turn power off. 3) Press 3 while turning power back on. Display will read 145.00 again. 4) Press F and 3. Display will read 10. Change “STEP” to 05 by turning dial one click. 5) Press F and 9. Display reads 00.60. We are now going to change it to 30.63 [50]. 6) While pressing the F button, rotate the dial knob about 10 clicks counterclockwise until the display reads 30.60. Release the F button. Rotate the dial clockwise about 7 clicks until the display reads 30.63[50]. 7) Press F and 3 and change “STEP” back to 10. 8) Press F and 0. Display reads 145.00. 9) Press 7. Display reads . (period) 10) Press the numbers 3 0 6 3. 11) Press *. Display reads 130.00. 12) Press F and 9. Display reads 30.63[50]. Hold the F button and turn the dial clockwise about 10 clicks until display reads 00.63[50]. 13) Release F button. Turn dial CCW until it reads 00.60. 14) Press *. Display reads 130.00. 15) Turn the radio off and then back on again. This restores the keyboard direct frequency entry feature. The modification is now complete. The radio will now receive and transmit from 130.00 to 163.995. Hint: Use the F and Mhz buttons to make large frequency changes.