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- Subject: Expanded RX and TX range for the ADI AT-400
-
- 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 440.00. (some models display
- 433.00)
-
- 2) Turn power off.
-
- 3) Press 3 while turning power back on. Display will
- read 440.00 again.
-
- 4) Press F and 3. Display will read 10. Change ôSTEPö
- to 05 by turning dial one click.
-
- 5) Press F and 9. Display reads 05.00. We are now going
- to change it to 30.63[50].
-
- 6) 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].
-
- 7) Press F and 3 and change ôSTEPö back to 10.
-
- 8) Press F and 0. Display reads 440.00.
-
- 9) Press 7. Display reads . (period)
-
- 10) Press the numbers 3 0 6 3.
-
- 11) Press *. Display reads 430.00.
-
- 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].
-
- 13) Release F button. Turn dial CCW until it reads
- 05.00.
-
- 14) Press *. Display reads 430.00.
-
- 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 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:
- Program the US Amateur band only (420.00 to 449.995 mHz)
-
- 1) Press F and 0
-
- 2) Press 7. Display reads . (period)
-
- 3) Press 2 0 4 9
-
- 4) Press *
-
- The transmit and receive frequency range is now set from
- 420 to 449.995 mHz.
-
- Example:
- Program 400 to 479.995 mHz
-
- 1) Press F and 0
-
- 2) Press 7. Display reads . (period)
-
- 3) Press 0 0 7 9
-
- 4) Press *
-
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