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| HOMEPAGE | THE WORLD OF FREE PACKET RADIO SOFTWARE AMSTERDAM THE NETHERLANDS |
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Subject: Expanded RX And TX Range For The ADI AT-401 Date: 18 Jul 1996 SETTING 01 While pressing the Function button (F), turn the radio on. Display will show all figures. Release the ( F ) button and it will read 440.00 some models display 433.00. SETTING 02 Turn power off. SETTING 03 Press 3 while turning power back on Display will read 440.00 again. SETTING 04 Press F and 3. Display will read 10. Change the STEP to 05 by turning dial one click. SETTING 05 Press F and 9. Display reads 05.00. We are now going to change it to 30.63[50]. SETTING 06 While pressing the F button, rotate the dial knob about 25 clicks clockwise until the display reads 30.00. Release the F button. Rotate the dial clockwise about 127 clicks until the display reads 30.63[50]. SETTING 07 Press F and 3 and change the STEP back to 10. SETTING 08 Press F and 0. Display reads 440.00. SETTING 09 Press 7. Display reads. SETTING 10 Press the numbers 3 0 6 3. SETTING 11 Press * Display reads 430.00. SETTING 12 Press F and 9. Display reads 30.63[50]. Hold the F button and turn the dial counterclockwise about 25 clicks until display reads 05.63[50]. SETTING 13 Release F button. Turn dial CCW until it reads 05.00. SETTING 14 Press *. Display reads 430.00. SETTING 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 430.00 to 463.995. Hint: Use the F and MHz buttons to make large frequency changes. Now that the initial codes have been entered, the frequency span can be easily changed. EXAMPLE 01: Press F and 0 2. Press 7. Display reads period 3. Press 2 0 4 9 4. and Press *. The transmit and receive frequency range is now set from 420 to 449.995 MHz. EXAMPLE 02: Press F and 0 2. Press 7. Display reads period 3. Press 0 0 7 9 4. and Press *. The transmit and receive frequency range is now set from 400 to 479.995 MHz. |
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